Tarrant County tap water
2 of 26 water systems serving Tarrant County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 76 community water systems list this county as served; 26 serve 3,300+ people with full PFAS testing.
- 13 had a health-based violation since 2021-10-26.
Largest systems serving this county
| System | Source | People served (whole system) | PFAS above a 2024 level? | Violations since 2021-10-26 |
|---|---|---|---|---|
| City of Fort Worth | Surface water | 955,900 | Yes | 0 |
| City of Arlington | Surface water | 413,955 | No | 0 |
| City of Mansfield | Surface water | 89,227 | No | 0 |
| City of North Richland Hills | Purchased surface water | 74,859 | No | 0 |
| City of Euless | Purchased surface water | 61,601 | No | 0 |
| City of Grapevine | Surface water | 52,346 | No | 0 |
| City of Bedford | Purchased surface water | 49,941 | No | 0 |
| City of Haltom City | Purchased surface water | 47,014 | Yes | 0 |
| City of Keller | Purchased surface water | 46,308 | No | 0 |
| City of Hurst | Purchased surface water | 40,454 | No | 0 |
| City of Southlake | Purchased surface water | 31,576 | No | 0 |
| City of Colleyville | Purchased surface water | 26,599 | No | 0 |
Which one is yours? A county usually has several utilities. Your bill or your utility's annual water-quality report names yours. Population is for the whole system, which can cross county lines.
Not medical or legal advice. UCMR 5 results are screening data, not compliance determinations.
Sources and freshness
Public-water-system facts, violations and lead/copper results: EPA ECHO SDWA download (SDWIS snapshot 2026-10-13). PFAS and lithium results: EPA UCMR 5 final data (sampling 2023–2025). Both are U.S. government works, downloaded 2026-10-26. Numbers are computed by the published method; the same fields are in the open data files.