Texas · population 135,983
Lead pipes in Lewisville, TX
10,459 lines still unidentified
Most of Lewisville (population 135,983) gets its water from City of Lewisville. It reported no confirmed lead service lines, but 10,459 of 29,784 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of City of Lewisville'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 35%
- Non-lead 65%
Latest lead test for City of Lewisville (2026): 1.5 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 Lewisville.
Water systems serving Lewisville
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| City of LewisvilleMain system | 0 | 0 | 10,459 | 0% |
| City of CarrolltonServes nearby areas | 0 | 0 | 0 | 0% |
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 Lewisville
The counts above cover the whole water system. To see whether your line is lead, look up your address on City of Lewisville'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
- Hickory Creek5,790 unknown
- Highland1,178 unknown
- Lake Dallas5,790 unknown
- Carrolltonno lead reported
- Coppell6,179 unknown
- Hackberryno lead reported
- Double Oakno lead reported
- Copper Canyonno lead reported
Check another water system
Questions
Does Lewisville, TX have lead pipes?
None are confirmed, but City of Lewisville still lists 10,459 service lines as unknown material.
Who supplies water to Lewisville?
EPA's service area maps place most of Lewisville in City of Lewisville's service area (PWSID TX0610004). City of Carrollton also serves parts of the city or nearby areas.
How do I check whether my Lewisville home has a lead service line?
Search your address on City of Lewisville'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 Lewisville 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 Lewisville whether your street is scheduled and whether it covers the private side.