Texas · population 39,203
Lead pipes in Duncanville, TX
12,642 lines still unidentified
Most of Duncanville (population 39,203) gets its water from City of Duncanville. It reported no confirmed lead service lines, but 12,642 of 13,262 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of City of Duncanville's service lines are lead or galvanized requiring replacement, lower than the Texas average (1.2%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 95%
- Non-lead 4.7%
Latest lead test for City of Duncanville (Jan 2021–Dec 2023): 1.1 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists 1 Lead and Copper Rule violation since 2015 for City of Duncanville.
Water systems serving Duncanville
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| City of DuncanvilleMain system | 0 | 0 | 12,642 | 0% |
| Dallas Water UtilityServes nearby areas | 0 | 6 | 258,104 | <0.1% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Duncanville
The counts above cover the whole water system. To see whether your line is lead, look up your address on City of Duncanville's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
- DeSoto1 lead + galv. lines
- Cedar Hill13,613 unknown
- Cockrell Hill53 lead + galv. lines
- Grand Prairie189 unknown
- Glenn Heightsno lead reported
- Ovillano lead reported
- Lancaster7,176 unknown
- Oak Leaf4,078 unknown
Check another water system
Questions
Does Duncanville, TX have lead pipes?
None are confirmed, but City of Duncanville still lists 12,642 service lines as unknown material.
Who supplies water to Duncanville?
EPA's service area maps place most of Duncanville in City of Duncanville's service area (PWSID TX0570007). Dallas Water Utility also serves parts of the city or nearby areas.
How do I check whether my Duncanville home has a lead service line?
Search your address on City of Duncanville's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Duncanville be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask City of Duncanville whether your street is scheduled and whether it covers the private side.