Lewisville, Texas Water Quality Report
Water quality data for 6 water systems serving 140,998 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBA | 0.008 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.003 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxA | 0.005 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFPeA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (25)
75
Sep 7, 2025
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
72
Jul 2, 2024
71
Jul 1, 2023
71
Jul 1, 2022
71
Jul 1, 2022
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
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Unknown
Violation
Unknown
Resolved Violations (91)
75
Jun 30, 2025
75
Jun 30, 2025
3A
Jul 1, 2024 — Jul 31, 2024
3A
Jul 1, 2024 — Jul 31, 2024
3A
Jul 1, 2024 — Jul 31, 2024
+ 86 more resolved violations
Frequently Asked Questions
Is Lewisville tap water safe to drink?
Lewisville's water meets all EPA maximum contaminant levels. However, 4 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Lewisville tap water?
4 contaminants have been detected in Lewisville's water supply across 6 water systems. See the full contaminant table above for details.
How can I improve my water quality in Lewisville?
Install a water filter rated for the specific contaminants found in Lewisville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Lewisville have any water quality violations?
Yes, Lewisville currently has 25 active violations. See the violations section above for details.