Who pays when the sewer backs up? The 30 largest US cities
When sewage comes up through a floor drain, the first question is not what the cleanup costs — it is whose pipe failed. If the blockage is in the lateral running from your house to the street, the repair and usually the damage are yours. If the city's own main surcharged or blocked, some cities run a reimbursement programme, most run a liability claim process with a short deadline, and a few say nothing at all. We read the utility's own pages, codes and claim forms for the 30 most populous US cities and put the answers side by side. 180 cells, every one linked to the page it came from and graded for how solid that source is.
The first hour, before anyone bills anyone
- Stop adding water. No flushing, no washing machine, no dishwasher — every gallon you send down comes back up.
- Keep people and pets out, and shut off the HVAC so the system does not pull contamination through the house. Sewage is Category 3 black water; the sewer backup guide has the PPE and disinfection rules, and the first 60 minutes checklist is the wider emergency sequence.
- Ring two or three neighbours and ask whether their drains are slow or backing up too. If several homes on the street are affected, the likely cause is the public main, not your lateral — and that is the fact that decides who pays. It stops being knowable the moment a plumber clears the line.
- Note the time and photograph everything before anything is moved or cleaned. Both your insurer and the utility will ask, and the room cannot be reconstructed later.
- Report it to the utility now, not after the cleanup. Find your city in the table below — the reporting route is the last row of each city's entry. Several of the programmes here are only open to people who reported the backup first, and claim deadlines in some cities run from days to months, not years.
Then read the coverage question separately: a standard homeowners policy generally excludes water that backs up through sewers and drains unless you carry the water-backup endorsement (a paid add-on to your policy) — see does insurance cover it. Who is liable for the pipe and who pays for the damage are two different questions, and this table only answers the first one.
What we checked, and how to read a row
Six questions per city: who runs the sewer, who owns the lateral, whether the utility pays when its own main is the cause, whether there is a backwater-valve rebate, whether there is any lateral repair help, and how to report a backup. Each answer is graded:
- official — the statement comes from the utility's or the city's own page, municipal code or PDF. 123 cells.
- secondary — the statement rests on a non-official source, such as a council office page, a news report or a trade page. It is a lead to verify with the utility, not the rule itself. 17 cells.
- not stated — the official sources we checked do not say. This is the one that is easy to misread: it does not mean there is no such rule, no such programme, or that the answer is no. It means we looked and the published pages were silent, so the only honest answer is to ask the utility directly. 40 cells.
Method. Retrieved 2026-09-14. Each city's utility, code, claims and assistance pages were fetched directly and read; where a page was silent the cell was marked not stated rather than filled from elsewhere. The city list and the populations are the 30 most populous US cities by July 1, 2025 population estimate (U.S. Census Bureau, Vintage 2025). Utility rules change, programmes open and close, and a few of these cities were mid-consent-decree when we read them — confirm anything you are about to rely on with the utility itself, and use the source link and date in each cell to see exactly what we read and when.
6 of the 30 cities answered all six questions from official sources: New York, NY · Philadelphia, PA · Columbus, OH · San Francisco, CA · Boston, MA · Detroit, MI.
At a glance: the four money questions
Short answers only — every one links to its source, and each city's full entry, with the exact wording and the caveats, is below the table.
| City | Who owns the lateral | Public main backs up: does the utility pay? | Backwater-valve rebate | Lateral repair help |
|---|---|---|---|---|
| New York, NY #1 · 8,584,629 | homeowner-to-main official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | no program found official source · 2026-09-14 | third-party endorsed official source · 2026-09-14 |
| Los Angeles, CA #2 · 3,869,089 | homeowner-to-main official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | not stated not stated source · 2026-09-14 | both secondary source · 2026-09-14 |
| Chicago, IL #3 · 2,731,585 | Other — see Chicago below secondary source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | not stated not stated source · 2026-09-14 | city program secondary source · 2026-09-14 |
| Houston, TX #4 · 2,397,315 | Other — see Houston below secondary source · 2026-09-14 | no official source · 2026-09-14 | not stated not stated source · 2026-09-14 | third-party endorsed secondary source · 2026-09-14 |
| Phoenix, AZ #5 · 1,665,481 | Other — see Phoenix below official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | not stated not stated source · 2026-09-14 | third-party endorsed official source · 2026-09-14 |
| Philadelphia, PA #6 · 1,574,281 | homeowner-to-main official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | yes official source · 2026-09-14 | both official source · 2026-09-14 |
| San Antonio, TX #7 · 1,548,422 | property line official source · 2026-09-14 | partial program (plumber fees only; property damage not paid) official source · 2026-09-14 | no program found not stated source · 2026-09-14 | city program official source · 2026-09-14 |
| San Diego, CA #8 · 1,406,106 | Other — see San Diego below official source · 2026-09-14 | yes: fault-based Council policy (main stoppage the City controlled, innocent owner) official source · 2026-09-14 | no program found not stated source · 2026-09-14 | third-party endorsed official source · 2026-09-14 |
| Dallas, TX #9 · 1,329,491 | Other — see Dallas below not stated source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | no program found not stated source · 2026-09-14 | none found not stated source · 2026-09-14 |
| Fort Worth, TX #10 · 1,028,117 | homeowner-to-main official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | no program found not stated source · 2026-09-14 | city program official source · 2026-09-14 |
| Jacksonville, FL #11 · 1,017,689 | homeowner-to-main secondary source · 2026-09-14 | not stated not stated source · 2026-09-14 | not stated not stated source · 2026-09-14 | none found not stated source · 2026-09-14 |
| Austin, TX #12 · 1,002,632 | property line official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | no program found not stated source · 2026-09-14 | city program official source · 2026-09-14 |
| San Jose, CA #13 · 989,814 | Other — see San Jose below secondary source · 2026-09-14 | not stated not stated source · 2026-09-14 | not stated not stated source · 2026-09-14 | none found not stated source · 2026-09-14 |
| Charlotte, NC #14 · 964,784 | cleanout official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | no program found not stated source · 2026-09-14 | third-party endorsed official source · 2026-09-14 |
| Columbus, OH #15 · 938,396 | Other — see Columbus below official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | yes official source · 2026-09-14 | both official source · 2026-09-14 |
| Indianapolis, IN #16 · 901,116 | homeowner-to-main official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | no program found not stated source · 2026-09-14 | third-party endorsed secondary source · 2026-09-14 |
| San Francisco, CA #17 · 826,079 | curb official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | yes official source · 2026-09-14 | both official source · 2026-09-14 |
| Seattle, WA #18 · 784,777 | homeowner-to-main official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | not stated not stated source · 2026-09-14 | city program official source · 2026-09-14 |
| Denver, CO #19 · 740,613 | homeowner-to-main official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | not stated not stated source · 2026-09-14 | none found not stated source · 2026-09-14 |
| Nashville, TN #20 · 721,074 | homeowner-to-main official source · 2026-09-14 | not stated not stated source · 2026-09-14 | not stated not stated source · 2026-09-14 | third-party endorsed secondary source · 2026-09-14 |
| Oklahoma City, OK #21 · 719,849 | Other — see Oklahoma City below official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | not stated not stated source · 2026-09-14 | none found not stated source · 2026-09-14 |
| Washington, DC #22 · 693,645 | property line official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | yes official source · 2026-09-14 | none found not stated source · 2026-09-14 |
| El Paso, TX #23 · 683,012 | cleanout official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | no program found not stated source · 2026-09-14 | third-party endorsed official source · 2026-09-14 |
| Las Vegas, NV #24 · 679,817 | homeowner-to-main official source · 2026-09-14 | not stated not stated source · 2026-09-14 | not stated not stated source · 2026-09-14 | third-party endorsed official source · 2026-09-14 |
| Boston, MA #25 · 672,973 | homeowner-to-main official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | no (owner's expense by regulation) official source · 2026-09-14 | city program official source · 2026-09-14 |
| Detroit, MI #26 · 649,095 | homeowner-to-main official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | ended official source · 2026-09-14 | third-party endorsed official source · 2026-09-14 |
| Louisville, KY #27 · 641,962 | Other — see Louisville below not stated source · 2026-09-14 | not stated not stated source · 2026-09-14 | ended secondary source · 2026-09-14 | third-party endorsed official source · 2026-09-14 |
| Portland, OR #28 · 635,109 | curb official source · 2026-09-14 | claim-process-only (liability determined) official source · 2026-09-14 | yes official source · 2026-09-14 | none found not stated source · 2026-09-14 |
| Memphis, TN #29 · 609,647 | Other — see Memphis below secondary source · 2026-09-14 | not stated not stated source · 2026-09-14 | not stated not stated source · 2026-09-14 | third-party endorsed secondary source · 2026-09-14 |
| Baltimore, MD #30 · 569,997 | property line official source · 2026-09-14 | partial program (no-fault for wet-weather capacity backups only; blockages go to a liability claim) official source · 2026-09-14 | not stated not stated source · 2026-09-14 | third-party endorsed official source · 2026-09-14 |
City by city, in full
Each row is what the linked page actually said on 2026-09-14, with the quoted wording where the source gave one. Where a cell is marked not stated, read it as “the official sources we checked do not say”.
1. New York, NY
Population 8,584,629 (New York city, New York, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | NYC Department of Environmental Protection (DEP) — https://www.nyc.gov/site/dep/ officialThe NYC Water Board (ratemaking body) retains the service-line protection vendor; see lateral_assistance_program. | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner. Owners own, maintain and repair the sewer service line from the property to the City's sewer main in the street. official“connects their property to the City's sewer main in the street”Re-verified 2026-09-14. Also https://www.nyc.gov/site/dep/pay-my-bills/service-line-protection-program.page. The fetched pages do not say separately who owns the tap at the main. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | No no-fault program. If you believe the City was at fault, file a notice of claim with the NYC Comptroller within 90 days (Water Damage Claim Form). The Comptroller settles only if its investigation finds the City may be legally liable. If DEP confirms a backup in the City sewer it starts repairs, which is not reimbursement. official“Notices of claim must be filed within 90 days of the date of incident.”DEP's sewer-backup page confirms the 90-day Comptroller route (re-verified 2026-09-14). Admin Code §24-503.1 could not be fetched (amlegal 403). | source · 2026-09-14 |
| Backwater-valve rebate or grant | No active City rebate found. Local Law 2023/001 requires DEP to set up a backwater-valve financial-assistance program by 2025-04-01, 'subject to appropriation', but DEP's Financial Assistance Programs page lists no such program. The separate state-funded Residential Backwater Valve Installation Program (free valves, ≤80% AMI, named coastal neighborhoods) is no longer accepting applications. official“subject to appropriation”DATE-SENSITIVE: check whether DEP has launched the LL 2023/001 program before citing. Also https://www.nyc.gov/site/dep/pay-my-bills/financial-assistance-programs.page (no program listed) and https://www.floodhelpny.org/en/backwater-valve-program (ended). The NYC Plumbing Code backwater-valve section could not be fetched. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Third-party warranty endorsed by the City: American Water Resources (AWR) Water and Sewer Service Line Protection Program, retained through the NYC Water Board. The sewer plan costs $143.04/year, with no service fees or deductibles. Eligibility: most residential or mixed-use properties with one service line of 2 inches or less, a wireless meter reader, and DEP charges current. No City-run grant or loan found. official“AWR is an independent contractor retained through the New York City Water Board”Also https://portal.311.nyc.gov/article/?kanumber=KA-01772. Price is date-sensitive. | source · 2026-09-14 |
| How to report a backup | 311, or the 311 online Sewer Backup form (https://portal.311.nyc.gov/article/?kanumber=KA-01510). DEP inspects within 6 hours of the complaint. 911 for immediate danger. official“report it immediately to 311”The 6-hour inspection figure is from the 311 article KA-01510 (fetched 2026-09-14). | source · 2026-09-14 |
2. Los Angeles, CA
Population 3,869,089 (Los Angeles city, California, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | LA Sanitation & Environment (LASAN; Bureau of Sanitation, Dept. of Public Works) — https://sanitation.lacity.gov/ official“legally responsible agency for the City of Los Angeles' public sanitary sewer system”City document in Council File 24-0887 (Dec 2024). Every LASAN web page (sanitation.lacity.gov, lacitysan.org) returned HTTP 403 to the fetcher. | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner, for the entire lateral: the upper lateral (building to property line) and the lower lateral (property line to the City main). official“property owners are responsible for the entire length of sewer laterals”LASAN report to City Council, Council File 14-0515 (2014-15). Text read from the PDF WebFetch saved. An EmpowerLA post (2023, secondary) says the same. Check LASAN's current pages in a browser; they were 403 to the fetcher. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | No no-fault program found. Damage claims go through the California Government Claims Act process, filed with the LA City Clerk. Deadlines (Gov. Code §911.2): 6 months for damage to personal property such as contents, 1 year for other claims such as real-property damage. Filing a claim is not a promise to pay. official“not later than six months after the accrual of the cause of action”Official state statute. The City's own claim pages (clerk.lacity.gov, cityattorney.lacity.gov) returned 403. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no backwater-valve rebate found in any page that could be fetched. The LASAN lateral rebate (see lateral_assistance_program) is described as CCTV inspection plus lateral repair only. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: Northridge South NC post, EmpowerLA Nextdoor post, Council Files 14-0515 and 24-0887. LASAN pages were 403. No code requirement was verified. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | (a) City program: LASAN Sewer Lateral Repair Rebate, up to $300 for a CCTV inspection plus up to $1,000 for repair. Open to owners current on City sewer service charges; first-come, first-served until annual funds run out; apply on MyLA311 or at (800) 773-2489. (b) Third party: LASAN's 2014-15 report to Council backed a laterals warranty program with Service Line Warranties of America (SLWA). The file includes a license agreement paying the City $0.75 per active warranty per month. Whether it is current is unverified. secondaryNon-official source — verify with the utility before relying on it.“Rebates will be available until annually allocated funds are exhausted”DATE-SENSITIVE. The rebate details come from 2023 neighborhood-council and EmpowerLA posts (secondary); the official page https://sanitation.lacity.gov/services/sewer-lateral-repair-rebate returned 403 (retried 2026-09-14). The SLWA arrangement is from Council File 14-0515 (https://cityclerk.lacity.org/onlinedocs/2014/14-0515_rpt_bos_4-10-15.pdf, official but from 2014-15). | source · 2026-09-14 |
| How to report a backup | LASAN Customer Care Center (800) 773-2489, 24/7; MyLA311 online. secondaryNon-official source — verify with the utility before relying on it.“(800) 773-2489 (open 24 hours/7 days a week)”EmpowerLA post (2023-09-20) relaying LASAN; the same number appears in the Northridge South NC post. LASAN pages were 403. | source · 2026-09-14 |
3. Chicago, IL
Population 2,731,585 (Chicago city, Illinois, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | City of Chicago Department of Water Management (DWM) — https://www.chicago.gov/city/en/depts/water.html secondaryNon-official source — verify with the utility before relying on it.Every chicago.gov URL returned HTTP 403, including a retry on 2026-09-14. The source is an aldermanic office page. | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Split (Municipal Code §11-16-020, as reproduced by up.codes). The owner repairs the building drain. For residential buildings of 4 units or fewer, the owner maintains the building sewer on private property and the City repairs the part under the public way. Exceptions: owner negligence, damage within 3 years of a new connection, unapproved reuse, or vacancy over 30 days. Buildings over 4 units and non-residential buildings: the owner repairs the whole building sewer. secondaryNon-official source — verify with the utility before relying on it.“The property owner shall be responsible for repairs to the building drain.”Third-party code copy. The official amlegal §11-16-020 returned 403. Check the exact exception wording before quoting. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | No no-fault program found. File a claim with the City Clerk (online portal with an immediate claim number, by mail, or at 121 N. LaSalle St, Room 107). Claims under $2,500 go to the City Council Committee on Finance; larger claims go to the Law Department. The page gives no deadline and does not mention sewer backups. official“The online Claim portal will provide you with an immediate claim number” | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no City of Chicago backwater-valve rebate found. WBEZ (2023) lists rebates only in suburbs (Wheaton, Oak Park, Morton Grove). not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: 44th and 40th Ward DWM pages, chicityclerk.com/claims, WBEZ 2023-10-19. The DWM 'Blocking Rainwater and Preventing Sewer Backup' page on chicago.gov was 403. A 'Basement Flooding Partnership' rebate named on plumber sites is unverified and may be historical. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | City program: DWM Private Drain Program. For buildings of up to 4 units, the City may repair drain pipes broken under the public way at no cost to the owner. A licensed sewer contractor must rod or video the line and schedule a review by a DWM sewer inspector. No third-party warranty endorsement found. secondaryNon-official source — verify with the utility before relying on it.“repaired by the City at no cost to the property owner”CBS Chicago (2021, secondary) reports reimbursement up to $20,000, only if DWM witnesses the inspection. The official 311 article and https://www.chicago.gov/PrivateDrainRepair were unreachable. Date-sensitive. | source · 2026-09-14 |
| How to report a backup | Call 311 or use 311.chicago.gov ('Water in Basement' request). secondaryNon-official source — verify with the utility before relying on it.“calling 311 or going to 311.chicago.gov”The official DWM 'Water in Basement' page returned 403 (retried 2026-09-14). | source · 2026-09-14 |
4. Houston, TX
Population 2,397,315 (Houston city, Texas, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Houston Public Works (Houston Water) — https://www.houstonpublicworks.org/ secondaryNon-official source — verify with the utility before relying on it.Every houstonpublicworks.org page returned HTTP 403, including a retry on 2026-09-14. | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner, for sewer pipes on their property (secondary sources only). The exact split point, often cited as the property-line cleanout, is NOT verified from an official page. secondaryNon-official source — verify with the utility before relying on it.“are not typically covered by homeowners' insurance or the City of Houston”Checked: https://www.houstonpublicworks.org/protect-our-pipes (403, retried), the Design Manual Ch. 8 (403), https://www.houstontx.gov/legal/fileclaim.html, https://311.houstontx.gov/. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | NO. The City Legal Department FAQ answers 'No' to reimbursement for cleaning sewage from a clogged sewer line: under Texas law the City is not liable. Any property-damage claim still needs a sworn written notice to the mayor and city council within 90 days (City Charter Art. IX §11), sent to the City Secretary, PO Box 1562, Houston 77251. official“not liable for property damage caused by a defective or clogged sewer line”Re-verified verbatim 2026-09-14. The 90-day notice is also in the City Secretary claim form https://www.houstontx.gov/citysec/claim.pdf (Charter Art. IX §11). | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no City of Houston backwater-valve rebate or grant found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: houstontx.gov legal claims page, 311.houstontx.gov, Houston Landing 2024. HPW pages were 403. FEMA HMGP/BRIC mentions are not City programs. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Third-party warranty: American Water Resources of Texas, described in 2013 as 'registered with the City of Houston as a Private Utility Repair Service Company', in an educational program 'sponsored by the city'. Sewer plan then $9/month, covering up to $8,000. No City grant or loan found; Houston Landing (2024) reports a proposed $20M repair fund was not set up. secondaryNon-official source — verify with the utility before relying on it.“registered with the City of Houston as a Private Utility Repair Service Company”DATE-SENSITIVE: vendor press release from 2013; AWR's current Houston page claims no City relationship. Current City sponsorship is unverified. | source · 2026-09-14 |
| How to report a backup | Houston 311: dial 311 or 713.837.0311 (24/7). official“call 311 or 713.837.0311 from any Houston landline or mobile”The 311 page does not mention sewer specifically; using 311 for sewage problems is corroborated by Houston Landing (secondary). | source · 2026-09-14 |
5. Phoenix, AZ
Population 1,665,481 (Phoenix city, Arizona, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | City of Phoenix Water Services Department — https://www.phoenix.gov/administration/departments/waterservices.html official | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Split. Owners clean and maintain the sewer line from the house to the connection with the City main in the street or alley. Under City Code §28-5 the City repairs only broken service lines within the public right-of-way. official“will ONLY repair broken service lines within the public right of way”Re-verified 2026-09-14. The code text of §28-5 and §28-5.1 could not be fetched (403); search snippets say §28-5.1 limits the City repair to single-family and duplex properties (unverified). Water Services Policy 51 is an image-only PDF. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | No no-fault program found. Claims go to the City Clerk (200 W Washington St, 15th Floor) within 180 days of accrual on the City of Phoenix Claim Form; a lawsuit must follow within one year. City Clerk (602) 262-5054. official“claims must be filed with the City Clerk's Office within 180 days”The one-year lawsuit limit is from the claim form https://www.phoenix.gov/content/dam/phoenix/financesite/documents/RISK/city%20of%20phoenix%20claim%20form%20(revised%206-7-21).pdf (text read from the PDF WebFetch saved). | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no backwater-valve rebate or code requirement found on the Water Services pages that could be fetched. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: Water Services FAQ, General Service Issues, Water/Sewer Policies index (image-only PDFs), Risk Management, AWR partnership page. City Code Ch. 28 was 403. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Third-party warranty endorsed by the City: American Water Resources (AWR), which the City 'has partnered with' for optional water and sewer/septic line protection plans. No price on the page. No City grant or loan found; the City repairs breaks in the right-of-way under §28-5 (see lateral_responsibility). official“The City of Phoenix has partnered with American Water Resources”DATE-SENSITIVE: Phoenix appears to have used the NLC/HomeServe program earlier and switched to AWR around late 2024 (unverified). | source · 2026-09-14 |
| How to report a backup | Water Services 602-262-6691 (business hours, Mon-Fri); 602-261-8000 after hours, weekends and holidays. official“call 602-261-8000, after normal hours or on weekends”Both numbers re-verified 2026-09-14 on https://www.phoenix.gov/administration/departments/waterservices/city-services-bill/general-service-issues.html. The FAQ gives business hours as 6 a.m.-3 p.m.; that page says 6 a.m.-2:30 p.m. | source · 2026-09-14 |
6. Philadelphia, PA
Population 1,574,281 (Philadelphia city, Pennsylvania, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Philadelphia Water Department (PWD) — https://water.phila.gov/ official | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner, from the house to the City sewer main. The owner maintains and repairs the sanitary and storm sewer laterals and the curb trap. PWD issues a Notice of Defect when a line is failing. official“sewer lateral lines connecting your house to the sewer main”Re-verified 2026-09-14. Also https://water.phila.gov/customer-responsibilities/ (lateral = 'Piping connecting house drain to public sewer'). Lateral repairs need a PWD Sewer Connection Permit (Sewer Connection Manual). | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Claim process only; no no-fault program. Send PWD's claim form to the City Office of Risk Management (Risk.Management@phila.gov; 1515 Arch St, 14th Floor, Philadelphia 19102; (215) 683-1700). The City needs written notice within six months; Pennsylvania's statute of limitations is two years. The PWD claim form says your primary source of recovery under Pennsylvania law is your own insurer. official“must receive your completed form within six months of the date of the incident”Six-month notice and two-year limit from https://www.phila.gov/media/20241007130747/Risk-PWD-claim-form-en.pdf. The insurer statement is from https://water.phila.gov/wp-content/uploads/files/pwd-claim-form-application-2021-1.pdf (both read from PDFs WebFetch saved). | source · 2026-09-14 |
| Backwater-valve rebate or grant | Yes: Basement Backup Protection Program (BPP). PWD installs backwater valves free, plus downspout changes if needed, through licensed contractors; the work has a one-year warranty. Eligibility: water bill current, violations addressed, plumbing accessible, pipe to the sewer in good condition (a HELP loan can fix it first). No income limit stated. Phone (215) 685-4901. official“Free backwater valve installation to reduce backups.”Date-sensitive: verify before citing. Free installation, not a cash rebate. PWD's 2019 blog says the program is for properties with backups from the City sewer. Application emails differ (PWDHelpLoan@phila.gov vs waterinfo@phila.gov). | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Both. (a) City program: Homeowner's Emergency Loan Program (HELP), zero-interest loans for water and sewer line repairs, repaid over 60 months; for owner-applicants of residential buildings with 4 units or fewer holding a PWD Notice of Defect. (b) Third party: Water and Sewer Service Line Protection Program by American Water Resources (AWR), run through the Philadelphia Energy Authority (a municipal authority, not PWD) since 2018. official“zero-interest loans for repairs to water service lines and sewer lines”AWR/PEA source: https://philaenergy.org/water-sewer-line-protection-program-launch/. Inquirer 2024 (secondary): about $15/month, roughly 88,000 enrollees. No maximum HELP amount stated. Date-sensitive. | source · 2026-09-14 |
| How to report a backup | PWD 24/7 emergency hotline (215) 685-6300, including for basement backups. official“Available for Emergencies 24/7” | source · 2026-09-14 |
7. San Antonio, TX
Population 1,548,422 (San Antonio city, Texas, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | San Antonio Water System (SAWS) — https://www.saws.org/ official | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Split. The owner handles the private side through a licensed plumber. SAWS clears and repairs blockages or collapses on its side, which must be in the public right-of-way, street or alley. SAWS's Laterals to People aid covers the lateral from outside the home to the property line, which marks the owner's segment. official“If the blockage is on your side, you are not entitled to reimbursement.”No SAWS page states the split in one sentence. The property line is inferred from the right-of-way wording plus https://uplift.saws.org/helping-neighbors-in-need/. SAWS Utility Service Regulations were not fetched. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Partly. The SAWS Sewer Lateral Reimbursement Program repays a licensed plumber's normal and customary charges when the blockage is in the public right-of-way, street or alley. The plumber marks the spot and calls 210-704-7297; mail the receipt to SAWS (P.O. Box 2449, San Antonio 78298). Property damage is NOT paid. Damage claims go to SAWS Risk Management-Claims within 90 days (City Charter); SAWS asserts governmental immunity for water and sewer services. official“SAWS will not pay for repairs or replacement of damaged property.”Re-verified 2026-09-14. Claims and immunity: https://www.saws.org/claims/. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no SAWS backwater-valve rebate or grant found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: Plumbing Backed Up, Claims, Report a Problem, Service FAQs, Uplift assistance page. No code requirement was verified. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | City (utility) program: Laterals to People (SAWS Uplift) helps income-qualified owner-occupants repair the sewer lateral from outside the home to the property line. Requirements: SAWS water and sewer customer, home valued under $300,000, annual proof of income. A Mar 2026 SAWS article reports $500,000 budgeted for 2025-26 and a planned partnership with Merced Housing Texas for up to $10,000 per home. No endorsed warranty vendor found. official“repair the sewer lateral from outside their home to the property line”Date-sensitive and funding-limited: verify before citing. Budget figures from https://www.saws.org/saws-uplift-helps-bring-plumbers-to-people/ (2026-03-01). | source · 2026-09-14 |
| How to report a backup | 210-704-SAWS (7297), 24/7, for SAWS water and sewer problems. Call a licensed plumber first for private-side blockages. official“any time of day or night” | source · 2026-09-14 |
8. San Diego, CA
Population 1,406,106 (San Diego city, California, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | City of San Diego Public Utilities Department — https://www.sandiego.gov/public-utilities official | source · 2026-09-14 |
| Private lateral: who owns and maintains it | The owner owns the whole lateral and maintains and clears it all the way to the City main. The owner repairs breaks between the house and the property line. The City may clear or repair the right-of-way section at no charge, but only if the owner has lost all sewer service and a plumber files a Plumber's Report (619-515-3525). If the problem came from poor maintenance (roots, grease), the City bills the owner. official“from the property all the way to the connection with the sewer main”Re-verified 2026-09-14. Conditions from the City's Sewer Lateral fact sheet https://www.sandiego.gov/sites/default/files/legacy/mwwd/pdf/sewerlateral.pdf (text read from the PDF WebFetch saved): 'The entire length of the sewer lateral ... is your private property'. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Yes, by Council policy, for main stoppages. Council Policy 400-10 covers damage from main stoppages, sewer pump-station failures and water main breaks. If the City controlled the cause and the owner or tenant was innocent, the City provides emergency cleanup, compensation for damaged personal property (depreciation may apply), additional living expense, real-property restoration, and reasonable plumbing bills once the main stoppage is confirmed. Excluded: lateral stoppages, lost income, bodily injury, general damages. File form RM-9 with Risk Management (1200 Third Ave, Suite 1000; 619-236-7300), generally within six months. official“Reimbursement will be made to the homeowner for those reasonable plumbing expenses”Council Policy 400-10, adopted 1985 (Resolution R-262686), linked from the Public Utilities plumbing page. Text read from the PDF WebFetch saved. Claim process: https://www.sandiego.gov/riskmanagement/services/liability ('Sewer main back-ups and flooding' is a listed claim type). Each case is investigated on its merits. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no backwater-valve rebate found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: Public Utilities sewer and plumbing pages, meter/pressure/plumbing page, Sewer Spill Reduction, Customer Support, Sewer Lateral fact sheet. No code requirement was verified. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Third-party warranty endorsed by the City: Service Line Warranties of America (SLWA, a HomeServe company) is the City's preferred service-line warranty partner, offering optional exterior water and sewer/septic line plans. The City describes SLWA as independent. No City grant or loan found; the City's conditional right-of-way repair is described under lateral_responsibility. official“preferred service line warranty partner of the City of San Diego”Date-sensitive; pricing not stated. | source · 2026-09-14 |
| How to report a backup | Public Utilities Water and Sewer Emergency Line 619-515-3525 (sewer spills, odors, plumber's reports). 619-515-3500 is customer service. official“To report a sewer spill or bad sewer odor, immediately call 619-515-3525.”The Sewer Lateral fact sheet calls it the Water and Sewer 24-Hour Emergency Service. | source · 2026-09-14 |
9. Dallas, TX
Population 1,329,491 (Dallas city, Texas, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Dallas Water Utilities (DWU), City of Dallas — https://dallascityhall.com/departments/waterutilities/Pages/default.aspx official | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Not stated by the utility in any page that could be fetched. Dallas City Code §49-24 reportedly has the City maintain the connection from the main to the property line, but the code text could not be fetched. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: amlegal §49-24 (403), dallas-tx.elaws.us mirror (connection reset), DWU contacts and department pages. High-priority manual check. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Claim process only; no sewer-backup reimbursement program found. The Office of Risk Management's General Liability unit handles property-damage claims 'where the City is legally liable'. File a Notice of Claim (ORM-FRM-230) within six months of the damage; phone (214) 671-9458. official“If you believe the City of Dallas is responsible for your loss”Six-month deadline confirmed in the claim form https://dallascityhall.com/departments/officeriskmanagement/DCH%20Documents/ORM-FRM-230%20NoticeOfClaim.pdf ('File this claim within six (6) months of the injury or property damage'; text read from the PDF WebFetch saved). | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no Dallas backwater-valve rebate found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: DWU contacts page, Office of Risk Management pages. The web-search budget ran out before a targeted site search could run. No code requirement was verified. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Not stated by the utility: no City lateral grant or loan and no current City-endorsed warranty vendor found. A Dallas Morning News watchdog piece (2023; search snippet only) says a 2015 SLWA contract lasted only months. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Unfetched secondary: https://www.dallasnews.com/news/watchdog/2023/11/20/should-you-pay-a-few-dollars-every-month-to-protect-your-water-and-sewer-lines/ | source · 2026-09-14 |
| How to report a backup | 3-1-1, 24 hours a day, for water and sewer emergencies, including a clogged or overflowing wastewater main. From outside city limits: 214-670-3111. official“water and sewer emergencies 24 hours a day, call 3-1-1” | source · 2026-09-14 |
10. Fort Worth, TX
Population 1,028,117 (Fort Worth city, Texas, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Fort Worth Water (City of Fort Worth Water Department) — https://www.fortworthtexas.gov/departments/water official | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner, to the main, per the Water Department's Sewer FAQ. The City is responsible for sewer mains and outfalls in rights-of-way and easements; customer service lines extended to the mains are the owner's. The sewer lateral is 'the privately owned and maintained sewer pipe' connecting a building to the main. official“service lines that are extended to the mains are the responsibility of the owners/customers”Re-verified 2026-09-14. CONFLICT: a search snippet of City Code §35-57.5 says the City maintains service connections from the main to the property line. The code text could not be fetched (amlegal 403). Resolve before citing a split point. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Claim process only; no sewer-backup reimbursement program found. HR Risk Management handles general-liability claims (Notice of Claim form; 817-392-7402). City Charter Ch. XXVII §25 requires written notice within 180 days. officialThe 180-day rule is quoted in the City's claim procedures https://www.fortworthtexas.gov/files/assets/public/v/5/hr/documents/e-notice-of-claim-english.pdf ('Written notice shall be filed within or before the expiration of one hundred eighty days'; text read from the PDF WebFetch saved). | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no backwater-valve rebate found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: Sewer FAQ, Wastewater Regulations page. No code requirement was verified. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | City program: Priority Repair Program (Neighborhood Services). Sewer line breaks or clogs on the homeowner's side qualify when raw or gray water is present or likely. Repairs are done free up to $25,000 per household per two-year period ($100,000 lifetime), funded by federal CDBG money and the City General Fund. Eligible: owner-occupied homes, household income at or below 60% AMI, home value at or below 80% of the area median. Phone 817-392-7548. No City-endorsed warranty vendor verified. official“Sewer line breaks”Dollar limits and sewer conditions from https://www.fortworthtexas.gov/files/assets/public/v/4/neighborhoods/documents/public-notice/prp-policies-and-procedures-june-2025.pdf ('repairs are done without charge to the homeowner up to $25,000.00'; text read from the PDF WebFetch saved). Date-sensitive and funding-limited. | source · 2026-09-14 |
| How to report a backup | 817-392-4477, 24 hours a day, for sewer backups, overflowing manholes and slow drains. official“The same number is used 24 hours per day.” | source · 2026-09-14 |
11. Jacksonville, FL
Population 1,017,689 (Jacksonville city, Florida, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | JEA (community-owned utility providing electric, water and sewer service in Jacksonville) — https://www.jea.com secondaryNon-official source — verify with the utility before relying on it.“electric, water, sewer and reclaimed water services”Every jea.com page served a CAPTCHA to the fetcher; CAPTCHAs were not bypassed. Official confirmation not obtained. | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Secondary source only: the owner is responsible for the whole lateral up to the JEA main. secondaryNon-official source — verify with the utility before relying on it.“is the property owner's responsibility to maintain and repair”CONFLICT RISK: unfetched snippets from JEA's Rules & Regulations (Jan 2023) mention a JEA connection at the property line, so JEA's side may end there. Do not cite until the JEA Rules & Regulations are read in a browser. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Not stated by the utility: JEA's claim-resolution page could not be retrieved (CAPTCHA). The City of Jacksonville Risk Management page gives a general claim channel ((904) 630-CITY or (904) 255-5344) but does not mention JEA, sewer backups or deadlines. not statedThe official sources we checked do not say. Ask the utility before assuming either way.“a loss for which you believe the City is responsible”Re-verified 2026-09-14. Checked: jea.com claim_resolution (CAPTCHA). An unfetched snippet says JEA pays only for its own negligence (unverified). | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no rebate found. The City's flood-protection page only advises sealing sewer lines against backflow. not statedThe official sources we checked do not say. Ask the utility before assuming either way.“Seal off sewer lines in the dwelling to prevent the backflow”jea.com was blocked by CAPTCHA. JEA's 'backflow' page concerns drinking-water cross-connection control, not sewer backwater valves. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Not stated by the utility (page blocked). Search results show a JEA page titled 'Oncourse Water Line and Sewer Line Protection Program from JEA', which would be a third-party warranty (Oncourse Home Solutions) endorsed by JEA, but it could not be opened. No City grant or loan found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.CAPTCHA on fetch. oncourse.com (fetched) does not mention JEA. Date-sensitive: verify in a browser. | source · 2026-09-14 |
| How to report a backup | Not stated by the utility: the JEA Contact page returned a CAPTCHA. not statedThe official sources we checked do not say. Ask the utility before assuming either way.An unfetched search snippet lists (904) 665-6000, 24/7, for sewage backups. Unverified: confirm in a browser. | source · 2026-09-14 |
12. Austin, TX
Population 1,002,632 (Austin city, Texas, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Austin Water (City of Austin) — https://www.austintexas.gov/water official“Austin Water investigates P-Lats for retail wastewater customers” | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Split at the property line. The City's point of wastewater delivery is the customer's property line (or the edge of a wastewater easement). The owner must maintain the private lateral (the segment on private property) and repair or replace it from the property line to the building (City Code Ch. 15-11). Austin Water maintains the service connection. official“for wastewater service, the customer's property line”Ordinance 040805-02 (utility service regulations, point of delivery); text read from the PDF WebFetch saved. Ch. 15-11 (Ordinance 20070125-007) text read from a copy on a third-party library host: 'repair or replace a defective private lateral from the property line to the building'. Also https://www.austintexas.gov/page/new-service-connections (connections 'maintained by Austin Water'; owners install yard lines between property line and building), re-verified 2026-09-14. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | General claim process only: send a letter to City of Austin Law Department – Claims (P.O. Box 1546, Austin 78767-1546; lawclaims@austintexas.gov; 512-974-2268) within 45 days of the incident. No sewer-specific or no-fault program found. official“You must send this letter within 45 days of the incident.” | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no backwater-valve rebate found. Austin Water's 'backflow prevention' pages concern drinking-water assemblies, not sewer backwater valves. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: P-Lat page, New Service Connections page, site search. No plumbing-code requirement was verified. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | City program: Austin Housing's Private Lateral Grant Program pays for free repair or replacement of the private lateral for single-family and duplex owners with household income at or below 100% of area median family income. Contact 512-974-3100. No City-endorsed warranty vendor found. official“free repair or replacement of these lines for eligible single-family home or duplex owners”DATE-SENSITIVE: Austin Housing's own grant pages returned 403, and its Home Repairs page (fetched) does not list the grant. Confirm current status. | source · 2026-09-14 |
| How to report a backup | Austin Water sewage-on-the-ground complaints: 512-972-1000; also 3-1-1. Private-lateral questions: 512-972-0069. official“Sewage on the ground complaints: 512-972-1000”The page does not say the line is 24-hour. | source · 2026-09-14 |
13. San Jose, CA
Population 989,814 (San Jose city, California, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Not stated by the utility in fetchable form (all sanjoseca.gov pages returned 403). The page title and URL indicate the City of San José Department of Transportation, Sewers & Storm Drains — https://www.sanjoseca.gov/your-government/departments-offices/transportation/sewers-storm-drains not statedThe official sources we checked do not say. Ask the utility before assuming either way.403 on every sanjoseca.gov URL, including a retry on 2026-09-14. Municode Ch. 15.16 was also 403. Some San José-area addresses may be served by other sanitation districts (unverified). | source · 2026-09-14 |
| Private lateral: who owns and maintains it | UNRESOLVED. The only fetched source (a plumbing-company blog) says owners are responsible from the building to the main. Unfetched official snippets say the City maintains the lower lateral from a property-line cleanout to the main. secondaryNon-official source — verify with the utility before relying on it.“responsible for the private sewer lateral from the building all the way”DO NOT CITE until the sanjoseca.gov sanitary-sewer FAQ or SJMC Ch. 15.16 is read in a browser. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Not stated by the utility: official pages blocked (403). not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: DOT Sewers & Storm Drains, sanitary-sewer FAQ (retried 2026-09-14), Sewer Backup Prevention & Backwater Valves page. The California Government Claims Act deadline (generally 6 months for property damage, Gov. Code §911.2) applies to cities, but no San José page stating it was fetched. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: San José has a 'Sewer Backup Prevention & Backwater Valves' page, but it returned 403. not statedThe official sources we checked do not say. Ask the utility before assuming either way.High-priority manual check; the page likely states a code requirement. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Not stated by the utility: official pages blocked (403). not statedThe official sources we checked do not say. Ask the utility before assuming either way. | source · 2026-09-14 |
| How to report a backup | Not stated by the utility: official pages blocked (403). not statedThe official sources we checked do not say. Ask the utility before assuming either way.An unfetched search snippet gives (408) 277-4373 as the 24-hour sewer-backup number. Unverified. | source · 2026-09-14 |
14. Charlotte, NC
Population 964,784 (Charlotte city, North Carolina, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Charlotte Water (City of Charlotte) — https://www.charlottenc.gov/water official“water and wastewater mains under public streets”The blog is published by Charlotte Water (City of Charlotte). | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Split at the cleanout just behind the street right-of-way. Charlotte Water is responsible for the sewer service from the main to the cleanout 'installed directly behind the road right-of-way'; the customer is responsible from the cleanout to the house. The utility calls the right-of-way boundary a rule of thumb, with possible exceptions. official“from the main line connection to the clean out”Residential Service Application (text read from the PDF WebFetch saved; describes new service connections). The rule-of-thumb wording is from https://cltwaterblog.org/2023/03/understanding-homeowners-responsibility/ ('begins, as a rule of thumb, at the street right-of-way'), re-verified 2026-09-14. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | General claim process only, through City of Charlotte Risk Management: General Liability Claim Form, claims@charlottenc.gov, 704-336-3301. The claim is investigated before any decision on liability; this takes 4-6 weeks or longer. No no-fault program found. official“An investigation must be conducted into the claim before a final decision”No filing deadline on the page. A WCNC 2024 report of 600+ paid backup claims could not be fetched (unverified). | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: Charlotte Water recommends a backwater valve but offers no rebate on the pages checked. not statedThe official sources we checked do not say. Ask the utility before assuming either way.“prevent sewage backups with a plumbing fixture called a backwater valve”Checked: Fixes & Troubleshooting, Charlotte Water Cares. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Third-party warranty endorsed by the utility: Charlotte Water has partnered with HomeServe USA for optional water and sewer line protection plans (HomeServe 1-833-830-4973). No City lateral repair grant or loan found; Charlotte Water Cares lists bill-assistance partners only. official“Charlotte Water has partnered with HomeServe USA”Date-sensitive. | source · 2026-09-14 |
| How to report a backup | Call 311 or 704-336-7600 and select 'sewer emergency'; Charlotte Water responds 24 hours a day. official“If the backup continues, please call 311 or 704-336-7600.”24-hour response: https://cltwaterblog.org/2023/08/how-does-cltwater-respond-to-a-wastewater-overflow-2/ | source · 2026-09-14 |
15. Columbus, OH
Population 938,396 (Columbus city, Ohio, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | City of Columbus — Columbus Water & Power, Division of Water Reclamation (formerly Division of Sewerage & Drainage; Department of Public Utilities) — https://www.columbus.gov/Services/Columbus-Water-Power official“Formerly known as the Division of Sewerage & Drainage”Ordinance 1011-2025 (City Bulletin, May 17, 2025) still refers to the 'Department of Public Utilities'. | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner is responsible for the lateral; the City maintains the City-owned system. The exact split point (property line or main) is not stated on any official page that could be fetched. official“Homeowners are responsible for maintaining their lateral pipes”Blueprint Columbus is a City program site. The Sewer FAQs (fetched 2026-09-14) do not define the split. Unfetched snippets say owners are responsible to the main; City Code Ch. 1141 was 403. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Claim process only. Columbus Water & Power's Sewer Forms page links the City Attorney's Property Damage Claim Form. Water, power and sewer claims go to CWPClaims@columbus.gov, 614-645-6261. The City checks the main sewer free. If the city sewer caused the backup, the owner may qualify for Project Dry Basement, which prevents future backups but does not repay damage. Ohio law limits municipal liability. official“Property Damage Claim Forms”Claim contacts from https://www.columbus.gov/files/sharedassets/city/v/3/city-attorney/pdf/claim-form-fillable.pdf (text read from the PDF WebFetch saved); no filing deadline stated. Free main check: Sewer FAQs, re-verified 2026-09-14. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Yes: Project Dry Basement. The City covers the cost of an approved backflow-prevention device for single- and two-family homes that had backups from public-sewer surcharging in wet weather or from blockages. Start by reporting the backup to the 24-hour Sewer Maintenance Operations Center or filing the online Wet Basement and Neighborhood Flooding Questionnaire. The program began in July 2004. official“cover the cost of an approved backflow prevention device”Re-verified 2026-09-14. DATE-SENSITIVE: no dollar cap or application window stated. A City-paid device, not a cash rebate. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Both. (a) City program: Blueprint Columbus lines damaged private laterals at no direct cost to the homeowner, only in designated Blueprint neighborhoods. (b) Third party: the City works with Service Line Warranties of America, an independent company, for optional water and sewer line repair plans (1-844-257-8795). Ordinance 1011-2025 authorized a no-cost contract letting HomeServe (Utility Service Partners Private Label) market water and sewer line protection plans to Department of Public Utilities customers. official“There are no direct costs to the homeowner.”SLWA: https://www.columbus.gov/Services/Columbus-Water-Power/Information-for-Customers. Ordinance: https://www.columbus.gov/files/sharedassets/city/v/1/city-council/documents/city-bulletins/2025/bulletin20250517_1.pdf (text read from the PDF WebFetch saved). Blueprint lining is limited by area. Date-sensitive. | source · 2026-09-14 |
| How to report a backup | 24-hour Sewer Maintenance Operations Center 614-645-7102; also 311 or 614-645-3111. official“24-hour Sewer Maintenance Operations Center at 614-645-7102” | source · 2026-09-14 |
16. Indianapolis, IN
Population 901,116 (Indianapolis city (balance), Indiana, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Citizens Energy Group (wastewater), a public charitable trust serving Marion County; not a city department — https://info.citizensenergygroup.com/ official“operates as a public charitable trust” | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner, from the home to the connection point at the Citizens main (per Citizens' regulator-approved Terms and Conditions). A permit is needed for any lateral repair, replacement or lining outside the building footprint. official“from the home to the connection point at the main”Re-verified 2026-09-14. A plumber site's claim that responsibility stops at the sidewalk is contradicted by Citizens. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Claim process only. If the public sewer caused the damage, email a claim to CitizensCare@CitizensEnergyGroup.com; a Citizens insurance agent decides whether it is covered. Residents clean basements and private property; Citizens cleans public areas only. No deadline stated. official“determine whether the claim will be covered” | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: Citizens recommends a backflow preventer (check valve) on the building sewer but mentions no rebate or grant. not statedThe official sources we checked do not say. Ask the utility before assuming either way.“will normally protect your home from sewage back-ups”Checked: sewer-back-ups, connecting-a-sewer-service-line, wastewater connection (Correct Connect) pages. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | UtilityShield: an optional line-protection plan linked from Citizens' own site (the Citizens URL redirects to citizens.utilityshield.com). Operator, coverage and price could not be verified because the vendor site refused connections. No utility grant or loan found. secondaryNon-official source — verify with the utility before relying on it.Only the redirect was fetched. Search snippets ($19.95/mo, $4,000 outside-sewer coverage) are not cited. Date-sensitive. | source · 2026-09-14 |
| How to report a backup | Citizens Energy Group Customer Service (317) 924-3311 to report a sewer backup or overflow. official“To report a sewer back-up or sewer overflow, please call”The page does not say whether it is 24-hour. | source · 2026-09-14 |
17. San Francisco, CA
Population 826,079 (San Francisco city, California, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | San Francisco Public Utilities Commission (SFPUC) — https://www.sfpuc.gov/ official | source · 2026-09-14 |
| Private lateral: who owns and maintains it | The owner owns the entire lateral and must clear, jet and inspect all of it. Upper lateral (building to curb): owner repairs. Lower lateral (curb to main): under most circumstances the SFPUC repairs structural defects at no extra cost, after the owner's plumber notifies it and an SFPUC inspection confirms. official“The property owner owns the entire sewer lateral”News page dated 2024-03-11. Also https://www.sfpuc.gov/learning/emergency-preparedness/sewer-laterals. Ownership stays with the owner to the main; only structural repair of curb-to-main shifts to the SFPUC. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Claim process only. If you believe the City caused damage, contact the City Attorney's Office Claims Division (415-554-3900) and/or file a claim through sfcityattorney.org/claims. No no-fault program. official“If you think the city caused damage to your property”No deadline on the SFPUC page; the California Government Claims Act (Gov. Code §911.2) sets 6 months for personal property and 1 year for other claims. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Yes: SFPUC Floodwater Grant, covering 100% of eligible costs up to $100,000, for property owners who flood from the public right-of-way or from sewer backflow in heavy rain. Backflow preventers are an eligible project. Process: read the Guidebook, submit an Interest Form, then a site visit; grant team (415) 523-4412. official“100 percent of eligible costs up to $100,000”Terms from https://www.sfpuc.gov/about-us/news/floodwater-grant-now-covers-100-eligible-costs-100k (2023-03-28), re-verified 2026-09-14. The program page lists no amounts, deadlines or funding status. Date-sensitive. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Both. (a) City: the SFPUC repairs structurally defective lower laterals (curb to main) at no extra cost in most cases. (b) Third party: American Water Resources (AWR), chosen through SFPUC competitive bidding in 2020, offered optional water and sewer lateral insurance. official“optional water and sewer lateral insurance programs”The AWR item is dated 2020-08-13, and the current SFPUC lateral-insurance page does not mention AWR, so the program may have ended. Date-sensitive. | source · 2026-09-14 |
| How to report a backup | 311 or (415) 701-2311, the SFPUC 24-hour hotline; also sf311.org or the 311 app. official“call our 24-hour hotline at 3-1-1 or (415) 701-2311” | source · 2026-09-14 |
18. Seattle, WA
Population 784,777 (Seattle city, Washington, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Seattle Public Utilities (SPU) — https://www.seattle.gov/utilities officialSPU web pages returned only navigation text to the fetcher; SPU's own PDFs were read from the copies WebFetch saved. | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner, to the main. Owners own and maintain the side sewer, public or private portion, up to but not including the tee, wye or connection to the public main (Seattle Municipal Code 21.16.190). SPU owns the connection fitting and the main; it assesses and repairs defects in the connection. official“up to, but not including, the tee, wye, or connection to the public main”SPU Procedure DWW-340.1 (effective 2016-06-01), quoting SMC 21.16.190. Also https://www.seattle.gov/documents/Departments/SPU/Services/DrainageSewer/TroubleshootingYourSewerProblem.pdf ('you also own your side sewer up until the public sewer pipe under a street'). Text read from PDFs WebFetch saved; Municode SMC 21.16 was 403. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Claim process only. SPU says that if the backup was caused by a City issue you can file a claim for reimbursement. File a City of Seattle Claim for Damages online, by mail to the City Clerk (P.O. Box 94728, Seattle 98124-4728) or in person. The City pays, tenders to another party, or denies where there is no evidence of City negligence (RCW 4.96.020). Questions: (206) 684-2489. official“Deny a claim where there is no evidence of City negligence”SPU statement from its Troubleshooting Your Sewer Problem PDF ('If the sewer backup was caused by a City issue you can file a claim'). | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no SPU backwater-valve rebate found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: SPU side-sewer, backups, maintenance and defects pages (body text did not render), two SPU side-sewer PDFs (read: no rebate mentioned), searches (found only drinking-water backflow pages). | source · 2026-09-14 |
| Lateral repair help, loan or warranty | City program: SPU points owners to the Seattle Office of Housing Home Repair Loans for low- to moderate-income owners of single-family homes, as financial assistance for side-sewer repair. Applications: (206) 684-0458, HomeRepair@seattle.gov. No SPU grant and no endorsed warranty vendor found. official“offers Home Repair Loans for low to moderate-income families”Text read from the PDF WebFetch saved; the brochure is undated. Loan terms and income limits are at seattle.gov/housing/homeowners/home-repair (not fetched). Date-sensitive. | source · 2026-09-14 |
| How to report a backup | Seattle Public Utilities (206) 386-1800 for sewer backups. official“Call Seattle Public Utilities at (206) 386-1800.”From the SPU brochure's sewer-backup steps; text read from the PDF WebFetch saved. The brochure does not say the line is 24-hour. | source · 2026-09-14 |
19. Denver, CO
Population 740,613 (Denver city, Colorado, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | City and County of Denver, Department of Transportation & Infrastructure (DOTI), Wastewater Management Division — https://www.denvergov.org/Government/Agencies-Departments-Offices/Agencies-Departments-Offices-Directory/Department-of-Transportation-and-Infrastructure/Programs-Services/Wastewater-Management official“Wastewater Management Division (303) 446-3400”Denver Water is a separate drinking-water utility. | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner, including the tap. The City is responsible only for main public sewers; the 'private tap/service line' is the owner's. If the problem is in the private line, the owner must hire a plumber and repair any damage. official“only responsible for main public sewers”Re-verified 2026-09-14. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | No no-fault payment program. If the city line is at fault, Wastewater crews fix it and the City arranges any needed cleanup. For other damages, file a written Notice of Claim with the City Attorney's Office within 182 days (C.R.S. §24-10-109); questions 720-913-3274. official“filed within 182 days of the date on which you claim”The cleanup commitment is from the Wastewater FAQ, re-verified 2026-09-14 ('we will arrange to have it completed'). | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no Denver backwater-valve rebate found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: Wastewater Management main, Customer Service and FAQ pages; DOTI permit PDFs. A plumbing-code requirement (IPC-based) appeared only in a truncated search result and is not cited. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Not stated by the utility: no City grant, loan, repair program or City-endorsed warranty vendor found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Searches found only vendor marketing (AWR, HomeServe, SLWA) with no sign of a City partnership. | source · 2026-09-14 |
| How to report a backup | Wastewater Management emergency line (303) 446-3400 for sewer backups and smells; 311 or (720) 913-1311. official“Emergency Contact Number Wastewater Management Division (303) 446-3400”Listed under 'Sewer Smells and Backup Emergencies'. Not stated as 24-hour. | source · 2026-09-14 |
20. Nashville, TN
Population 721,074 (Nashville-Davidson metropolitan government (balance), Tennessee, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Metro Water Services (MWS), Metropolitan Government of Nashville and Davidson County — https://www.nashville.gov/departments/water official“Metro Water Services of Nashville and Davidson County, Tennessee”Clean Water Nashville is MWS's own program site. Every nashville.gov URL returned 403, including a retry on 2026-09-14. | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner, to the main. Under Metro ordinances the owner owns and maintains the sewer service line from the building to the public sewer main. official“the service line from the building to the public sewer main”Re-verified 2026-09-14; page dated 2016-02-10. Unfetched snippets of MWS's Sewer Line Policy brochure describe possible MWS help within the right-of-way under conditions (unverified). | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Not stated by the utility (not verifiable): MWS and Metro Law claims pages returned 403. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: MWS Sewer Line Policy brochure PDFs (403), MWS customers and assistance pages (403), the Metro Law Claims Division webform (403), Clean Water Nashville pages (silent). | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no MWS backwater-valve rebate found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.nashville.gov pages returned 403. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Third party: the American Water Resources (AWR) Sewer Line Protection Program, launched in 2014 as an 'official partnership' with MWS. Launch prices were $7.99/mo for sewer. NewsChannel5 reported that AWR paid Metro about $20,000/month for exclusivity and logo use; the MWS director said 'It's not an endorsement.' secondaryNon-official source — verify with the utility before relying on it.“recently launched their official partnership”Also https://www.newschannel5.com/news/newschannel-5-investigates/consumer-alert/insurance-company-pays-metro-water-for-promotion-deal. A 2026-01 nashville.gov contract PDF for a 'Water and Sewer Line Service Protection Program' returned 403, so the current vendor is unverified. Date-sensitive. | source · 2026-09-14 |
| How to report a backup | Metro Water Services (615) 862-4600. officialListed as MWS's general number, not a labeled emergency line. An unfetched brochure snippet says to ask for Emergency Service for a backup. | source · 2026-09-14 |
21. Oklahoma City, OK
Population 719,849 (Oklahoma City city, Oklahoma, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | City of Oklahoma City Utilities Department — https://www.okc.gov/Government/Departments/Utilities official“prohibits the Utilities Department from using ratepayer monies” | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner, for the private sewer line connecting the house to the City main. State law bars using ratepayer money for repairs on private property. The exact boundary appears only in a diagram, not in the text. official“private sewer line connecting your house to the City main”Re-verified 2026-09-14 ('repairing or replacing private sewer lines is the responsibility of the home or property owner'). Municode chapters were 403. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | OKC reimburses only if the City knew in advance its system was at fault and did not fix it. Claims start with the Municipal Counselor's office, on a written form filed with the City Clerk (200 N. Walker Ave.; (405) 297-2451) under the Governmental Tort Claims Act. The City has 90 days to investigate; a claim not approved in 90 days is deemed denied. City cleanup stops at the outside of the house. official“Only if the City had advance knowledge that the City system was at fault”Re-verified 2026-09-14. The 90-day rule is from https://www.okc.gov/Services/Action-Center/File-a-Claim and the claim-form letter https://www.okc.gov/files/assets/city/v/1/pim-amp-legal/documents/claim-form-english-smith.pdf. No filing deadline is stated on the City pages. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no rebate or backwater-valve requirement found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: Sewer Backups (old and new URLs), Utilities, Wastewater/FOG/Pretreatment, Protect Your Pipes. Municode was 403. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Not stated by the utility: no City lateral grant or loan and no endorsed warranty vendor found. The City says state law bars ratepayer money for private-property repairs. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Warranty searches returned only other Oklahoma cities (Tulsa, Lawton). | source · 2026-09-14 |
| How to report a backup | Not stated by the utility as an emergency line. Best official contacts: Utilities Customer Service (405) 297-2833 (water@okc.gov) and the Action Center (405) 297-2535 (action.center@okc.gov). not statedThe official sources we checked do not say. Ask the utility before assuming either way.A search snippet said '24/7, call (405) 297-2833, Ext. 1' but no fetched official page confirmed it. Verify before citing. | source · 2026-09-14 |
22. Washington, DC
Population 693,645 (Washington city, District of Columbia, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | DC Water (District of Columbia Water and Sewer Authority) — https://www.dcwater.com official | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Split at the property line for clearing blockages. The owner must maintain the sewer service line and clear clogs in the lateral on the property. If a plumber finds a blockage between the property line and the public main, the plumber reports it and DC Water removes it. Who pays for repairs to that public-space segment is ambiguous: as fetched, DC Code §8-205(b) has DC Water do that work 'at the costs of such owner or owners'. official“DC Water shall remove a clog or blockage.”DC Water Consumer Bill of Rights §XII (hosted by the DC Office of the People's Counsel; text read from the PDF WebFetch saved), citing 21 DCMR §204. Also https://www.dcwater.com/resources/emergencies/sewer-backup and https://code.dccouncil.gov/us/dc/council/code/sections/8-205. Get a legal reading before stating who pays for public-segment repairs. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Generally no. DC Water says it generally does not pay cleanup costs or damages from sewer backups; the Consumer Bill of Rights says the customer is usually responsible unless DC Water was negligent with the main. An investigation decides responsibility. Claims: (202) 787-2052, the online form at dcwater.com/claims, or the Office of Risk Management (202-787-2050, RiskManagement@dcwater.com). official“generally does not pay for cleanup costs or damages”Also https://www.dcwater.com/claims. No filing deadline stated; the two claims numbers differ. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Yes: DC Water Backwater Valve Rebate Program, paying 100% of costs up to $6,000 per property. Eligible: property owners in the combined sewer area with a documented backup since July 1, 2012, or from the September 10, 2020 storm. Apply online at https://backwatervalve.dcwater.com/Home/BackWaterValve; 202-787-2003. The work needs a DC plumbing permit pulled by a DC-licensed Master Plumber. official“100 percent, up to $6,000”Re-verified 2026-09-14. DATE-SENSITIVE: the program was expanded in September 2020 and no page states whether it is still open or when it ends. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Not stated by the utility: no DC Water grant, loan or repair program for private laterals and no endorsed warranty vendor found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Secondary: Washington Consumers' Checkbook (2020) reports DC Water declined warranty programs. DC Code §8-205(c) described a one-time 1977 compensation provision, which is not an active program. | source · 2026-09-14 |
| How to report a backup | DC Water Water and Sewer Emergency Line: (202) 612-3400. official“Water and Sewer Emergency Line by calling (202) 612-3400” | source · 2026-09-14 |
23. El Paso, TX
Population 683,012 (El Paso city, Texas, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | El Paso Water (EPWater; governed by the Public Service Board) — https://www.epwater.org official | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Split at the cleanout or property line (Rules and Regulations No. 1, July 8, 2026). The utility owns and repairs the 'Sewer Service Lateral – EPWU', which runs within the public right-of-way up to the cleanout or property line. The customer owns and maintains the 'Sewer Service Lateral – Customer' within the property. For new service the customer pays to furnish and install both segments from the tap at the main. EPWater's Customer Rights page puts the whole line 'from the tap at the main' on the customer. official“The Utility is responsible for the repair of the Sewer Service Lateral-EPWU.”Text read from the PDF WebFetch saved. CONFLICT: https://www.epwater.org/residential/services-and-information/customer-rights-responsibilities (re-verified 2026-09-14) says the customer furnishes, installs and maintains the sewer service line 'from the tap at the main into the property'. The newer governing Rules are used here; flag the conflict when citing. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | No utility pay program. EPWater says it has governmental immunity and is generally not responsible for property-damage claims. A hold-harmless rule applies: customers with fixtures below the top of the nearest downstream manhole who fail to install backflow devices accept responsibility for backup damage. Claims go to the City of El Paso (online, by email, or mail to the Office of the Mayor, P.O. Box 1890, El Paso 79950); the City gives a 90-day notice deadline (6 months for good cause). official“generally not responsible for the payment of property damage claims”Hold-harmless: customer-rights page (re-verified 2026-09-14). The 90-day/6-month figure is from https://www.elpasotexas.gov/city-attorney/filing-a-claim/, captured as a summary rather than a verbatim quote; re-verify. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no rebate found. Separately, the utility REQUIRES customers with drains lower than the top of the nearest downstream manhole to install backflow devices. not statedThe official sources we checked do not say. Ask the utility before assuming either way.“shall protect their premises from possible backup of sewage”Checked: Customer Rights, Rules & Regulations index, Service Line Warranty and Filing a Claim pages. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Third-party warranty endorsed by the utility: El Paso Water arranged for Service Line Warranties of America (SLWA) to offer optional exterior water and sewer/septic line coverage (slwofa.com, 855-336-2465). No utility grant or loan found. official“El Paso Water has arranged for Service Line Warranties of America (SLWA)”Price ($9.99/mo sewer) appears only in snippets. Date-sensitive. | source · 2026-09-14 |
| How to report a backup | EPWater emergencies line 915-594-5500, 24/7; online form with 'Sewer Backup' and 'Sewer Overflowing' options. official“available 24 hours a day, 7 days a week” | source · 2026-09-14 |
24. Las Vegas, NV
Population 679,817 (Las Vegas city, Nevada, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | City of Las Vegas Department of Public Works (sewer maintenance, connections, billing; Environmental Division runs the city's wastewater plants) — https://www.lasvegasnevada.gov/Government/Departments/Public-Works official“managing wastewater treatment for the city of Las Vegas”The Clark County Water Reclamation District serves unincorporated areas; confirm an address is inside city limits. | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner, from the sewer main to the home. official“maintain and repair the sewer lines between the sewer main and the home”Re-verified 2026-09-14. Municipal Code §14.04.125 (Municode 403) was not fetched. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Not stated by the utility: no City page addresses sewer-backup damage. The City has a general online Notice of Claim form, linked from its Notice of Claim FAQ; filing a claim is not a promise to pay. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: Sewer Line Warranty, Public Works, Operations & Maintenance, Environmental Division, Report A Problem, Notice of Claim FAQ. The Formstack form did not render. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no rebate or grant found. The City's wastewater design addendum defers backwater valves to the Uniform Plumbing Code with Southern Nevada amendments. not statedThe official sources we checked do not say. Ask the utility before assuming either way.“Backwater Valves: Refer to the UPC with Southern Nevada Amendments.”Addendum last revised 2025-02-24; text read from the PDF WebFetch saved. A search-snippet claim of a City-specific valve requirement for laterals on 18-inch-plus sewers was not found in the extracted text. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Third-party warranty endorsed by the City: an optional Service Line Warranty Program with Service Line Warranties of America (SLWA); slwofa.com or 1-844-257-8795. The page mentions a HomeServe-linked 'Goodwill Fund' for hardship cases. No City grant or loan found. official“an optional solution that provides warranty coverage to repair private lines”Re-verified 2026-09-14: the page lists only Interior Plumbing and Drainage and Water Heater coverage, with no exterior sewer-line plan named despite its title. Check the enrollment site before describing scope. | source · 2026-09-14 |
| How to report a backup | Public Works Operations & Maintenance, street and sewer maintenance: 702-229-6227 (not labeled 24-hour or emergency). City Hall (702) 229-6011; online Report A Problem. official“Street and sewer maintenance”A '311, 24/7' claim appeared only in a search snippet. | source · 2026-09-14 |
25. Boston, MA
Population 672,973 (Boston city, Massachusetts, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Boston Water and Sewer Commission (BWSC) — https://www.bwsc.org official | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner, all the way to the main. Owners pay for maintaining and repairing the entire lateral from inside the basement to BWSC's main in the street; BWSC maintains the main in the public way. official“from inside the property's basement to BWSC's sewer main in the street”Re-verified 2026-09-14. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Claim process only; no no-fault program. If the backup came from a defect in BWSC's system, file a claim (617-989-7000, claims@bwsc.org) on the BWSC Standard Claim Form. Deadlines: 30 days for damage from a defect in the public way (M.G.L. c.84 §18); generally two years for other negligence claims (M.G.L. c.258). The form itself is not presentment notice under c.258 §4. Review takes 4-6 weeks. official“you may file a claim by contacting Claims at 617-989-7000”Deadlines from https://www.bwsc.org/form/standard-claim-form. | source · 2026-09-14 |
| Backwater-valve rebate or grant | No rebate: backwater valves are the owner's cost. BWSC regulations require building drains from fixtures liable to backflow (below the top of the serving manhole) to have backwater valves installed at the owner's expense. BWSC's pamphlet says the state plumbing code requires them and owners install and maintain them. official“shall be required to have backwater valves installed at the owner's expense”Section 10 of the BWSC sewer regulations (adopted 1998); pamphlet https://www.bwsc.org/sites/default/files/2019-01/backwater_valves.pdf. Text read from PDFs WebFetch saved. BWSC's Financial Assistance Programs page lists no valve rebate. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Utility program: BWSC Sewer Lateral Financial Assistance Program, a one-time reimbursement grant of up to $8,000 for an 8-foot relay or $6,000 for a full lateral replacement. Requirements: lateral blocked, collapsed or leaking as verified by BWSC; account current; three estimates from BWSC-bonded contractors; no participation in 10 years; written eligibility confirmation. Start with BWSC Operations, 617-989-7900. No endorsed warranty vendor found. official“up to a maximum reimbursement of either $8,000 for an 8' relay”Re-verified verbatim 2026-09-14; the partial-relay cap really is higher than the full-line cap. Date-sensitive and funding-limited. | source · 2026-09-14 |
| How to report a backup | BWSC 24-hour Emergency line 617-989-7000 (customer service 617-989-7800). official“Call BWSC's 24-hour Emergency line at 617-989-7000” | source · 2026-09-14 |
26. Detroit, MI
Population 649,095 (Detroit city, Michigan, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Detroit Water and Sewerage Department (DWSD) — https://detroitmi.gov/departments/detroit-water-and-sewerage-department official“collects sanitary sewage and stormwater from more than 280,000 accounts” | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Homeowner, all the way to and including the connection at the City sewer collection pipe. DWSD is responsible only for the collection system; a failed private line needs a licensed plumber and a City permit. official“all the way to the connection at the city sewer collection pipe”Re-verified 2026-09-14. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Claim process only. (1) Call DWSD at (313) 267-8000 to report the backup and get a Service Request number (mandatory). (2) File a Notice of Claim on the DWSD Damage Claims form within 45 days of discovering the backup. The page does not say how liability is decided. official“you may file a claim within 45 days of the discovery of the backup”The 2018 claim-form PDF link returned 404. The Michigan statute (MCL 691.1416-.1419) could not be fetched. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Closed. The Basement Backup Protection Program installed backwater valves (plus sump pumps and downspout disconnections where needed) for owner-occupants and landlords of occupied houses and duplexes in 11 neighborhoods with a history of backups. Phase 1 installed 382 valves and ended in September 2023; Phase 2 began February 2024. Applications for both phases are closed and reopen only with new funding. official“Applications for Phases 1 and 2 are closed.”Date-sensitive: closed pending funding, not formally ended. A targeted-neighborhood installation program, not a citywide rebate. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Third-party warranty endorsed by DWSD: the Water and Sewer Service Line Warranty sold by American Water Resources (AWR), which DWSD calls a third-party program (awrusa.com/detroit). No City grant, loan or repair program found. official“DWSD endorses the warranty program provided by American Water Resources”Price only from Outlier Media (2022, secondary): $5.49/month sewer, $7.98/month water and sewer. Date-sensitive. | source · 2026-09-14 |
| How to report a backup | DWSD customer service and emergency line (313) 267-8000, or the Improve Detroit app. official“Contact DWSD at 313-267-8000 or use the Improve Detroit mobile app”Re-verified 2026-09-14. Not stated as 24-hour. | source · 2026-09-14 |
27. Louisville, KY
Population 641,962 (Louisville/Jefferson County metro government (balance), Kentucky, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Louisville/Jefferson County Metropolitan Sewer District (MSD) — https://louisvillemsd.org/ (drinking water is the separate Louisville Water Company) official“Louisville/Jefferson County Metropolitan Sewer District (MSD)” | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Not stated by the utility. MSD's 'Your Home Plumbing System' page describes arrangements in general terms (owner to the main in some places, agency to the right-of-way in others) without saying which applies in Louisville. MSD's discharge regulations call building sewers 'Property Service Connections' but the text reviewed does not assign ownership. not statedThe official sources we checked do not say. Ask the utility before assuming either way.“In some localities the local agency provides no service for the property service connection”Checked: Your Home Plumbing System, Components of a Wastewater Collection System, permit pages, MSD FAQs, the MSD Wastewater/Stormwater Discharge Regulations (Section 2.11 covers only sizing; read from the PDF WebFetch saved). Louisville Metro Code §50.71 (amlegal) was 403. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Not stated by the utility. No MSD page describes a damage-claim process, form, deadline or reimbursement for backups from the public sewer; MSD only asks people to report backups to 502.540.6000. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: MSD home, Contact, FAQs, 'How do I report a problem?', Programs, the 2025-04-08 news release. Secondary: Hoodline (2026-08-14) reports MSD saying recent backups came from extraordinary rainfall, not system failure. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Suspended (secondary source). The MSD Plumbing Modification Program, which paid for household plumbing changes such as sump pumps and helped 20,000+ households over two decades, was reportedly suspended in December 2025 because of budget cuts. Whether it covered backwater valves is not verified. secondaryNon-official source — verify with the utility before relying on it.“suspended it in December 2025 due to budget cuts”Date-sensitive. MSD's official page https://louisvillemsd.org/plumbingmodification returned 403, and the MSD Programs page no longer lists the program. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | No MSD program found. Louisville Water Company, the separate water utility, offers HomeServe USA repair plans and calls HomeServe independent of it. The page does not confirm sewer-line coverage or price. official“an independent company separate from Louisville Water Company”The arrangement is with Louisville Water, NOT the sewer utility MSD. Sewer coverage and the $9.99/month price appear only in snippets. Date-sensitive. | source · 2026-09-14 |
| How to report a backup | MSD 24/7: (502) 540-6000; also eservice.louisvillemsd.org or CustomerRelations@LouisvilleMSD.org. official“Call 502.540.6000 24 hours a day, 7 days a week”CONFLICT: MSD's FAQ https://louisvillemsd.org/faqs/how-do-i-report-problem gives 502.587.0603 as its 24/7 number. | source · 2026-09-14 |
28. Portland, OR
Population 635,109 (Portland city, Oregon, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | City of Portland Environmental Services (Bureau of Environmental Services, BES) — https://www.portland.gov/bes official“collecting and recovering resources from the city's wastewater” | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Split at the curb (City Code 17.32.070). On paved streets the City maintains the lateral from the main to the street-side curb face; the owner is responsible from the house to the curb, including under the sidewalk and planting strip. On unpaved streets the City maintains a 28-foot strip centered on the right-of-way. In easements the City maintains only mains and wye/tee connections. official“maintain a lateral from the sewer main to the street-side curb face”Also https://www.portland.gov/bds/broken-sewer-and-drain-lines ('from the house to the curb'). | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Claim process only. For damage from a backup of the City sewer, call the City's Risk Management group (503-823-5101, LiabilityClaims@portlandoregon.gov). Claims must be written on the General Liability Claim Form and filed within 180 days; allow at least 45 days for investigation. No no-fault program. official“call the City's Risk Management group”Deadline from https://www.portland.gov/risk-management/liability/file-claim-against-city. BES page re-verified 2026-09-14. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Yes: Sewer Backup Prevention Program for residents of combined-sewer areas subject to basement flooding. Once approved, the resident hires a plumber and pays the first $100; the City pays the next $1,500 (typical cost about $1,600). One time per address; afterwards the owner is responsible for future backups at that address. Information: 503-823-5366. official“The resident pays the first $100 of installation costs.”Re-verified 2026-09-14. Governing rule ENB-4.08 (https://www.portland.gov/sites/default/files/2020-06/enb-4-08-backflow-7-19-737991.pdf, July 2019) confirms $100 / up to $1,500 and requires an individual connection to a City combined sewer and backup risk per BES. Date-sensitive: the page does not say whether applications are open. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Not stated by the utility: no City lateral-repair grant or loan and no endorsed warranty vendor found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: BES Sewer Backups, Report a Sewer Problem, BDS Broken Sewer and Drain Lines, City Code 17.32.070, BES home. The search budget ran out before a targeted warranty search. | source · 2026-09-14 |
| How to report a backup | 24/7 maintenance hotline 503-823-1700 for problems in the City sewer or sewage released outdoors. BES suggests calling a plumber first to find where the backup is. official“Available 24/7”Re-verified on https://www.portland.gov/bes/sewer-backups ('report a sewer emergency 24 hours a day'). | source · 2026-09-14 |
29. Memphis, TN
Population 609,647 (Memphis city, Tennessee, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | City of Memphis Division of Public Works (sanitary sewers; Environmental Maintenance handles sewer overflows and blockages) — https://memphistn.gov/public-works/. MLGW supplies electricity, gas and water, not sewer. official“operation and maintenance of the City's infrastructure, which includes streets, sanitary sewers”City of Memphis Clean City Guide 2025; text read from the PDF WebFetch saved. Every memphistn.gov web page returned 403. | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Not confirmed by the City. Secondary: Fox13 (2019) says owners are responsible for the line from the sidewalk to the home. Shelby County's general rule gives the owner the line to its connection at the street. The City's sewer-use ordinance (Ord. 5793, Ch. 33) defines the building sewer as running from the building to the public sewer and puts installation and connection costs on the owner, but the text reviewed does not state who maintains it. secondaryNon-official source — verify with the utility before relying on it.“responsible for the sewer line that travels from the sidewalk to their home”Ordinance: https://www.memphistn.gov/wp-content/uploads/2025/04/Ord.-5793_SUO.pdf (text read from the PDF WebFetch saved). Shelby County: https://www.shelbycountytn.gov/3366/Sanitary-Sewers. Do not cite a split point until a City maintenance rule is found. | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Not stated by the utility: no fetchable City of Memphis source on backup claims, forms, deadlines or reimbursement. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked (all 403): public-works, environmental-engineering, drain-maintenance, environmental-maintenance pages, the CivicLive mirror, Municode. The old city site failed SSL. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no rebate or code requirement found in fetchable sources. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Same pages checked, all blocked; the Clean City Guide and Ord. 5793 excerpts mention no rebate. | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Third-party warranty: HomeServe water, sewer and septic line plans sold under a City partnership. The City let HomeServe use its logo; Public Works negotiated rates up to $167/year; part of the City's revenue was set aside for repairs for elderly low-income homeowners. Not confirmed on any City page. secondaryNon-official source — verify with the utility before relying on it.“The city has given HomeServe permission to use their logo.”Date-sensitive: article from 2019-11-24. | source · 2026-09-14 |
| How to report a backup | Sewer overflow or blockage: Public Works Environmental Maintenance 901-636-8025; or Memphis 311 ('Sewer Problem' request type). official“Sewer Overflow or Blockage Environmental Maintenance”Clean City Guide 2025 contact list (text read from the PDF WebFetch saved); 311 portal https://311.memphistn.gov/public lists 'Sewer Problem'. Not stated as 24-hour. | source · 2026-09-14 |
30. Baltimore, MD
Population 569,997 (Baltimore city, Maryland, US Census Bureau Vintage 2025)
| Question | What the source says | Source |
|---|---|---|
| Sewer utility | Baltimore City Department of Public Works (DPW), Bureau of Water and Wastewater — https://www.baltimorecity.gov/publicworks official | source · 2026-09-14 |
| Private lateral: who owns and maintains it | Split at the property line. DPW maintains the sewer lateral from the main to the property line; owners replace, maintain and repair sewer pipes in their buildings and within their property lines. The City does not repair private sewer lines. official“from the sewer main to the property line is maintained by DPW”Baltimore City Water and Wastewater Rules and Regulations (2016; hosted on the City's document store); text read from the PDF WebFetch saved. Consistent with the Consent Decree FAQ https://www.baltimorecity.gov/publicworks/water-system-in-the-city/sanitary-sewer-consent-decree-program/sanitary-sewer-decree-faq ('within their property lines'). | source · 2026-09-14 |
| Backup from a PUBLIC main: does the utility pay? | Two tracks. (1) No-fault, for wet-weather capacity backups only (at least 1/4 inch of rain in 24 hours causing sewers to surcharge or overflow): the DPW Expedited Reimbursement Program pays up to $5,000 per dwelling unit per event for documented cleanup, disinfection and disposal. Apply within 90 days. The free SOS Cleanup Program is the alternative; a resident can use one or the other. Backups before 2018-04-06 are not eligible. (2) Any other backup, including a dry-weather blockage in the public main: a liability claim with the City Law Department within one year. official“up to $5,000 per dwelling unit, per event”Re-verified 2026-09-14; page updated 08/01/2026. Applicants may also file a Law Department claim but cannot recover twice. CONFLICT (secondary): Clean Water Action (2023) reports a 2023 EPA/MDE order to extend help to all backups caused by City infrastructure; the official page still describes wet weather only. Date-sensitive. | source · 2026-09-14 |
| Backwater-valve rebate or grant | Not stated by the utility: no DPW backwater-valve rebate, grant or requirement found. not statedThe official sources we checked do not say. Ask the utility before assuming either way.Checked: reimbursement page, SOS Cleanup, Consent Decree pages, SOS press release. A 2021 free-backflow-preventer pilot appears only on an unfetchable HomeServe page (unverified). | source · 2026-09-14 |
| Lateral repair help, loan or warranty | Third-party warranty mentioned; no City grant or loan found. DPW's Water Main FAQ names 'HomeServe USA and others' as warranties covering exterior water and sewer lines on the homeowner's side of the property line. official“Home warranties such as HomeServe USA and others”The page mentions HomeServe but does not say 'endorse'; a formal 2014 City-HomeServe partnership appears only in snippets. Date-sensitive. | source · 2026-09-14 |
| How to report a backup | Call 311 or use the 311 website as soon as a backup is discovered; a DPW inspector investigates. Reporting to 311 is required to request SOS Cleanup. official“calling 311 or using the 311 website” | source · 2026-09-14 |
What this table is not
It is not legal advice and it is not a promise that a programme will pay you. Utility pages change, funds run out, and several of these programmes have eligibility rules — a rainfall threshold, a filing window, a requirement that you reported the backup first — that a one-line summary cannot carry. Use the source link in each cell to read the page yourself before you rely on it, and note that a cell graded secondary has not been confirmed by the utility at all. Next steps that are within your control either way: the cleanup and coverage guide, the claim estimator, and the cost calculator for the size of the bill you are arguing about.
Keep reading
Sewer backup: the black-water jobThe cleanup rules, the real cost ranges, and the endorsement that decides who pays.Open →Flooded basement cleanupPump-out timing, electrical safety, and what is salvageable after a backup.Open →Claim estimator (free tool)Four questions to the likely verdict on a backup claim.Open →
Sources & methodology
Every published figure on this page comes from the references below. Where we adjust a national figure for local costs we say so and show the multiplier — we never present our own estimate as if it were sourced. Costs are national ranges; your local market, access, and materials move real quotes in both directions.
- U.S. Census Bureau — Vintage 2025 city population estimates (SUB-IP-EST2025-ANNRNK), the city list and populations
- U.S. Census Bureau — Vintage 2025 city and town population estimates, press release
- IICRC S500 — the water restoration standard that classes sewage as Category 3
- CDC — Guidelines for Cleaning Safely After a Disaster (PPE, bleach mix)
- FEMA — Standard Flood Insurance Policy, Dwelling Form F-122 (backup-through-sewers terms)
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This is general information, not insurance, legal, or engineering advice. Estimates are planning ranges, not quotes — always get on-site assessments, and confirm coverage against your own policy wording or with your insurer.