Spokane County tap water
2 of 23 water systems serving Spokane County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 87 community water systems list this county as served; 22 serve 3,300+ people with full PFAS testing.
- 4 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 |
|---|---|---|---|---|
| Spokane City of | Groundwater | 346,138 | No | 0 |
| Whitworth Water District 2 | Groundwater | 26,883 | No | 0 |
| Vera Water & Power | Groundwater | 24,692 | No | 0 |
| Consolidated Irrig Dist 19 System 2 | Groundwater | 21,220 | No | 0 |
| Spo CO Water Dist 3 Sys 1 | Groundwater | 19,035 | No | 0 |
| Modern Electric Water CO | Groundwater | 18,487 | No | 0 |
| Eastern Washington University | Groundwater | 17,108 | No | 0 |
| Cheney City of | Groundwater | 16,954 | No | 0 |
| Liberty Lake Sewer & Water District | Groundwater | 14,500 | No | 0 |
| Fairchild Air Force Base | Groundwater | 9,544 | Yes | 0 |
| Airway Heights City of | Groundwater | 9,489 | No | 0 |
| Consolidated Irrig Dist 19 System 1 | Groundwater | 9,434 | 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.