Tulare County tap water
3 of 15 water systems serving Tulare County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 91 community water systems list this county as served; 11 serve 3,300+ people with full PFAS testing.
- 43 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 |
|---|---|---|---|---|
| CWS - Visalia | Groundwater | 153,522 | Yes | 0 |
| Tulare, City of | Groundwater | 72,241 | No | 0 |
| Porterville, City of | Groundwater | 63,487 | Yes | 1 |
| Dinuba, City of | Groundwater | 27,641 | No | 1 |
| Lindsay, City of | Surface water | 12,659 | Yes | 40 |
| Farmersville, City of | Groundwater | 10,243 | No | 1 |
| Orosi Public Utility District | Groundwater | 8,300 | No | 0 |
| Woodlake, City of | Groundwater | 7,918 | No | 0 |
| Earlimart Pud | Groundwater | 7,679 | No | 1 |
| Cutler Pud | Groundwater | 6,200 | No | 5 |
| Ivanhoe Public Utility Dist | Groundwater | 4,580 | No | 1 |
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.