Official PFAS Records
Washington PFAS Watchlist
Official EPA UCMR 5 PFAS monitoring records for public water systems in Washington. 65 water systems with qualifying official records.
Source retrieved: May 26, 2026 · EPA UCMR 5
Monitoring results are not compliance determinations. Missing records do not establish absence of PFAS. Methodology
Washington PFAS dataset — for journalists & researchers
Full state-level detection data with downloadable CSV, methodology, and citation formats.
65
Systems with records
505
Total records
505
Official detections
| Water System | Records | |
|---|---|---|
City of Tacoma Water Division Tacoma | 5 | View |
City of Vancouver Vancouver | 73 | View |
City of Spokane Spokane | 4 | View |
Kent Water Department Kent | 1 | View |
City of Redmond Water System | 3 | View |
Clark Public Utilities | 5 | View |
Lakehaven Water and Sewer District | 11 | View |
City of Olympia | 6 | View |
City of Kennewick | 22 | View |
Skagit County Pud 1 Judy Res | 1 | View |
City of Renton Renton | 1 | View |
City of Auburn Auburn | 2 | View |
City of Richland | 14 | View |
Lacey Water Department | 6 | View |
Sammamish Plateau Water & Sewer | 24 | View |
City of Bremerton | 1 | View |
Southwood | 25 | View |
Jblm Lewis | 23 | View |
Lakewood Water District | 10 | View |
Covington Water District | 9 | View |
City of Tumwater | 2 | View |
Bonney Lake Water Department City | 5 | View |
City of Puyallup | 2 | View |
Firgrove Mutual Inc | 8 | View |
City of Moses Lake | 10 | View |
Spanaway Water Company | 20 | View |
Camas Municipal Water Sewer System | 6 | View |
Parkland Light & Water Company | 16 | View |
West Sound Utility District #1 | 4 | View |
Cedar River Water & Sewer District | 1 | View |
Centralia Public Works - Water | 7 | View |
Whitworth Water District 2 | 9 | View |
Cross Valley Water District | 6 | View |
City of Washougal | 5 | View |
City of Arlington | 2 | View |
Summit Water & Supply Co | 1 | View |
Fruitland Mutual Water Company | 13 | View |
Quimper | 1 | View |
Liberty Lake Sewer & Water District | 1 | View |
City of Sequim | 2 | View |
Jblm Mcchord Field | 7 | View |
City of Woodland | 1 | View |
Mountain View-edgewood Water Co | 2 | View |
Fairchild Air Force Base | 8 | View |
City of Airway Heights | 7 | View |
Port Angeles Composite | 1 | View |
City of Milton | 7 | View |
City of Fircrest | 5 | View |
Model Irrigation Dist #18 | 4 | View |
Stevens Co Pud - Suncrest | 2 | View |
Peacock Hill | 14 | View |
Artondale | 16 | View |
Benton City Water | 12 | View |
City of Deer Park | 3 | View |
Minterbrook | 4 | View |
City of Medical Lake | 3 | View |
City of Omak | 1 | View |
East Spokane Water Dist 1 Spokane | 2 | View |
Trentwood Irrigation District 3 | 7 | View |
Irvin Water District #6 | 1 | View |
Town of Coupeville | 9 | View |
Parkview Terrace | 1 | View |
Lake Cushman System 5 | 6 | View |
Horizons West | 1 | View |
Quistorff | 14 | View |
Source: EPA UCMR 5 Occurrence Data · Methodology