Public water system record
City of Lewisville
Serves Lewisville, Denton County, TX · 140,880 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for City of Lewisville in the last ten years. At least one of these issues remains unresolved.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- City of Lewisville draws water from 2 surface water intakes.
- Lead pipe inventory: 0 lead and 10,459 unknown out of 29,784 service lines.
Check whether City of Lewisville serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2025 | Active |
Where the water comes from
City of Lewisville draws water from 2 surface water intakes. It also buys water from Dallas Water Utility and Utrwd Regional Water Treatment Plant.
Buys water from
- Dallas Water Utility Dallas, TX
- Utrwd Regional Water Treatment Plant Lewisville, TX
Annual water quality report
City of Lewisville must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Texas.
Certified drinking water labs by state EPA guidance for private wells