Dallas, TX
Dallas water service lines and the service line inventory
Updated · Editorial team; not yet technically reviewed
Short answer
Dallas Water Utilities built its service line inventory from permits, plumbing codes, maps and inspection records and filed it with TCEQ by October 2024. About 225,000 customers whose lines are listed as 'unknown' were notified in fall 2025, and anyone can look up their address on DWU's GIS map.
What's different in Dallas
DWU identifies service line materials from plumbing codes, permits, historical capital improvements, master plans, distribution maps and inspection records. [1]
Public water systems had to submit an initial inventory to TCEQ by October 16, 2024, with updates over the following ten years. [1]
Notifications were mailed from early October through November 2025 to about 225,000 customers whose service line material is listed as unknown; the inventory is searchable on DWU's GIS map. [2]
Check and correct your record
- Look up your address on DWU's GIS map.
- Inspect the pipe at the meter box and where it enters the house; see how to identify lead pipes.
- If you replaced the line, keep the permit or invoice to update the record.
When the line leaks
Customers pay for repairs and leaked water on their side, though DWU may re-rate excess use; see Dallas high water bills. For age-related replacement, see main water line: repair or replace?.
What Dallas homeowners usually check next
- SymptomSigns of a hidden leak
- SymptomWater bill suddenly high
- SymptomNo water in the house
Common questions
Why did Dallas send me a service line letter?
Your line's material is listed as unknown; about 225,000 customers were notified in fall 2025.
How did Dallas build its service line inventory?
From plumbing codes, permits, capital records, maps and inspection records.
When was Dallas's inventory due to TCEQ?
By October 16, 2024, with updates over ten years.
How do I check my Dallas service line?
Search your address on DWU's GIS mapping tool.
Does unknown mean my Dallas line is lead?
No; it means the material hasn't been confirmed.
How long will Dallas update its inventory?
Periodically over about ten years until it's complete.
Who pays for a leak on my side of the Dallas meter?
The customer pays for repairs and leaked water, subject to DWU's leak adjustment rules.
What proof updates my Dallas service line record?
A permit or invoice showing the line was replaced, or a verified inspection.
Do galvanized lines matter in Dallas?
Federal rules treat some galvanized lines as requiring replacement, so they're tracked in the inventory.
Should an old Dallas service line be replaced?
If it's galvanized or leaking repeatedly, replacement is usually worth it.
More plumbing help in Dallas
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- Water bill suddenly high in DallasDallas leak adjustments: customers pay for leaked water, but DWU can bill excess use at the lowest rate for up to three months, once a year.
- Backflow Testing in DallasDallas backflow rules: lawn irrigation assemblies don't need annual tests, only when new, repaired or replaced; high-hazard assemblies need annual registered tests.
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- Frozen Pipe Repair in DallasFrozen pipes in Dallas: DWU's freeze prep, the private shutoff you're responsible for, required sprinkler freeze sensors, and what to do in a water emergency.
- Water Line Repair: the full guideSigns the water service line from the meter to your house is leaking, who owns it, repair vs. replacement, lead lines, and trenchless options.
- Plumbing in DallasLocal water, housing and climate conditions, and the calls Dallas homes need most.
How other cities handle it
- Lead service line replacement in ChicagoHow lead water service line replacement works in Chicago: free and fee-waived city programs, who qualifies, what state law requires, and what the job involves.
- Lead service line replacement in DetroitHow Detroit and Michigan law handle lead water service line replacement: who pays, full-line requirements, timelines, and what homeowners should do meanwhile.
- Lead service line replacement in DenverHow Denver Water replaces customer-owned lead service lines with copper at no direct cost, which homes are most likely affected, and what to do while you wait.
- Lead service line replacement in MilwaukeeHow Milwaukee's lead service line rules work: when full replacement is required, what homeowners pay, how to look up your address, and what to do while you wait.
- Lead service line replacement in CincinnatiHow Greater Cincinnati Water Works replaces private lead service lines: who pays, who gets priority, how long the program runs, and how to get started.
- Lead service line replacement in PittsburghPittsburgh Water lead line programs: neighborhood replacements, free income-qualified replacement, plumber reimbursement, and how to apply.
- Lead service line replacement in BostonHow Boston Water and Sewer Commission's free lead service replacement works: free inspection, free replacement, how to check your address, and what to expect.
- Lead service line replacement in ClevelandWhen Cleveland Water replaces your side of a lead line for free, how galvanized pipe is handled, yearly targets, and what to do next.
- Lead service line replacement in St. LouisSt. Louis lead service lines: the city's inventory, why rates can't pay for the private side, grant and loan help, and what owners can do now.
- Lead service line replacement in PhiladelphiaPhiladelphia lead service lines: owner responsibility, free replacement during main work, the free ZIP-code pilot, and 0% HELP loans.
- Water and sewer service line repair in New York CityNYC owners own their water and sewer service lines: DEP 3-day and 30-day notices, the licensed master plumber rule, permits and the $1,000 shutoff fee.
- Water and sewer line repair in New OrleansWho pays for water and sewer service connections in New Orleans: Sewerage and Water Board rules, owner responsibility on post-1954 lots, and Board-caused damage.
- Water service line repair in Kansas CityKC Water service line rules: the City maintains mains to the curb box, owners repair from the curb stop to the house under Ordinance 78-22, and warranty options.
- Lead water service line replacement in Washington, DCLead service lines in Washington, DC: who pays for each side, Block-by-Block replacement of the private side at no cost, and what to do before your block comes up.
- Lead service line replacement in ProvidenceLead service lines in Providence: Providence Water's free private-side replacement for eligible customers, 10-year 0% loans, and the free public-side match.
- Lead service line replacement in Des MoinesLead service lines in Des Moines: Des Moines Water Works' free replacement funded by a $52.6M state loan, the Drake first phase, and how to check your line.
- Water line leaks in Phoenix: the meter decides who paysWater line leaks in Phoenix: the city repairs the street side of the meter, the owner the rest, and city code makes customers pay for water lost past the meter.
- Water and sewer service lines in CharlotteCharlotte water and sewer service lines: Charlotte Water handles mains to the curb, owners handle the laterals from curb to home, and what that means for leaks.
- Water line leaks in AustinWater line leaks in Austin: Austin Water owns the line to the meter box near the sidewalk, owners own everything past it.
- Water service line leaks in BuffaloBuffalo water service lines: the line from the city main to the house is private, the owner keeps up the curb box and valve, and what Buffalo Water will do for free.
- Lead service lines in Newark after the replacement programNewark replaced its 18,720-plus lead service lines at no cost to residents, funded by city and Essex County bonds. What's left to check in an older Newark home.
- Lead service line replacement in Jersey CityJersey City's Lead Free JC: about 16,000 lead lines to replace by June 2031 at no direct cost, JCMUA contractors or your own with a credit, and the inventory lookup.
- Water service line repair in SeattleSeattle water lines: owners install and maintain the private line from the city union to the house, and how SPU's leak adjustments treat city-side and.
- Water service lines in Fort WorthFort Worth service lines: the city owns the line to and including the meter, owners own the rest, the lead inventory shows no lead lines.
- Houston water service lines: the inventory and 'unknown material' lettersHouston's service line inventory: no lead lines found so far, most lines still listed as unknown, the notices sent to customers, and how to check yours.
- Water service lines in Los Angeles: no lead foundLADWP's service line inventory found no lead or galvanized-requiring-replacement lines, including customer-owned ones. What that means for LA water line repairs.
- Water service lines in San Antonio: SAWS inventory and free inspectionsSAWS's service line inventory: over half of 600,000 lines unidentified, yearly letters to unknown, lead or galvanized lines, and free inspections for pre-1989 homes.
Sources (2)
- Dallas City News, Dallas Water Utilities develops Service Line Inventory · checked 2026-10-03
- Dallas City News, Customer notifications begin for service line inventory · checked 2026-10-03