Davis County tap water
0 of 18 water systems serving Davis County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 19 community water systems list this county as served; 18 serve 3,300+ people with full PFAS testing.
- 2 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 |
|---|---|---|---|---|
| Layton City Water System | Purchased surface water | 82,000 | No | 0 |
| Bountiful City Water System | Surface water | 37,500 | No | 0 |
| Syracuse City Water System | Purchased surface water | 35,561 | No | 0 |
| Clearfield City Water System | Purchased surface water | 33,540 | No | 2 |
| Kaysville City Water System | Purchased surface water | 32,976 | No | 0 |
| Farmington City Water System | Purchased surface water | 27,860 | No | 0 |
| Hill Air Force Base | Purchased surface water | 25,625 | No | 0 |
| Clinton City Water System | Purchased surface water | 23,000 | No | 0 |
| North Salt Lake City Water System | Purchased surface water | 18,655 | No | 0 |
| Centerville City Water System | Purchased surface water | 17,155 | No | 0 |
| Woods Cross City Water System | Purchased surface water | 13,110 | No | 0 |
| South Davis Water District | Purchased surface water | 10,565 | 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.