Kitsap County tap water
0 of 18 water systems serving Kitsap County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 150 community water systems list this county as served; 16 serve 3,300+ people with full PFAS testing.
- 3 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 |
|---|---|---|---|---|
| Bremerton City of | Surface water | 72,951 | No | 0 |
| Silverdale Water Dist 16 | Groundwater | 35,163 | No | 0 |
| West Sound Utility District #1 | Groundwater | 28,930 | No | 0 |
| North Perry Ave Water District | Groundwater | 24,402 | No | 0 |
| Poulsbo City of | Groundwater | 18,400 | No | 0 |
| Naval Base Kitsap at Bangor | Groundwater | 16,828 | No | 0 |
| North Peninsula | Groundwater | 16,449 | No | 0 |
| Port Orchard Water dept | Groundwater | 15,355 | No | 0 |
| Bainbridge Island City of | Groundwater | 13,491 | No | 0 |
| Naval Base Kitsap at Bremerton | Purchased surface water | 11,792 | No | 0 |
| Manchester Water District | Groundwater | 10,475 | No | 0 |
| North Bainbridge Water CO | Groundwater | 5,490 | 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.