Washington utilities 2,001 to 2,100.
Each serves 35 to 41 people, as it reports to EPA. Your ZIP code finds yours faster.
2,001 to 2,100 of 2,220, by people served
| Utility | Based in | Serves | Regulated PFAS | Health-based violations since 2016 |
|---|---|---|---|---|
| Shangri la Community Club | Sedro Woolley | 41 | Not sampled | 0 |
| Agate Bay MHP | North Bend | 40 | Not sampled | 0 |
| Aleck Bay Park Water System | Lopez Island | 40 | Not sampled | 0 |
| Badger Canyon Water Assn | Kennewick | 40 | Not sampled | 0 |
| Baker View Water Assoc | Lynden | 40 | Not sampled | 0 |
| Calman James L. | Maple Falls | 40 | Not sampled | 0 |
| Cedar Grove Mobile Park | Sequim | 40 | None found | 0 |
| Clouse Water System | Port Orchard | 40 | Not sampled | 0 |
| Country Meadows East Water Sys #2 | Port Orchard | 40 | Not sampled | 0 |
| Covington 212 | Lacey | 40 | Not sampled | 0 |
| Dechaux Mutual Water | Port Orchard | 40 | Not sampled | 0 |
| Driftwood Heights #2 Community Assn | Arlington | 40 | Not sampled | 0 |
| Evergreen Valley View Water System | Oak Harbor | 40 | Not sampled | 0 |
| Good Neighbors Water Assn | Kennewick | 40 | Not sampled | 1 |
| Lovely Lane Howa | Port Orchard | 40 | Not sampled | 0 |
| Minter View Water System | Gig Harbor | 40 | Not sampled | 0 |
| Mountain Shores Cc | Grapeview | 40 | Not sampled | 0 |
| New Arcadia Water System | Ravensdale | 40 | Not sampled | 0 |
| Panoramic Heights | Carlsborg | 40 | Not sampled | 0 |
| Prairie Villa 230 | Lacey | 40 | Not sampled | 0 |
| Prairie Village Mobile Home Court | Yelm | 40 | Not sampled | 6 |
| Prine Drive Apartments | Shelton | 40 | Not sampled | 0 |
| Prospect Heights Comm Water Assn | Walla Walla | 40 | Not sampled | 1 |
| River Bend Park Water System | Wenatchee | 40 | Not sampled | 0 |
| Rockaway Beach Community Assn | Coupeville | 40 | Not sampled | 0 |
| San Juan Fairways Owners Assn | Friday Harbor | 40 | Not sampled | 2 |
| Shiloh Water System | Port Orchard | 40 | Not sampled | 0 |
| Sunset Acres Water Association | Moses Lake | 40 | Not sampled | 0 |
| Tilton River Mobile Home Park | Chehalis | 40 | Not sampled | 0 |
| Viewcrest Beach | Union | 40 | Not sampled | 0 |
| Vinson S Villa Mhp/Roy Wye Inn | Gig Harbor | 40 | Not sampled | 0 |
| Willard | Willard | 40 | Not sampled | 0 |
| Williams Lake Road Subdivision | Colville | 40 | Not sampled | 0 |
| Woodglen Prd Water System | Coupeville | 40 | Not sampled | 14 |
| Alderwood East | Sequim | 39 | Not sampled | 0 |
| Evergreen Retreat MHP | Santa Rosa | 39 | Not sampled | 2 |
| Fairway Number Three Water | Friday Harbor | 39 | Not sampled | 10 |
| Glen Cove Water Association | Lynden | 39 | Not sampled | 0 |
| Hidden Hills Estates | Spokane | 39 | Not sampled | 0 |
| Hipma | Port Orchard | 39 | Not sampled | 0 |
| Kamilche Point Community Club | Shelton | 39 | Not sampled | 0 |
| Lone Rock Water Assn | Bremerton | 39 | Not sampled | 0 |
| Long Lake View Est 1 | Tacoma | 39 | Not sampled | 0 |
| Prairie Estates Water System | Maple Falls | 39 | Not sampled | 0 |
| Skate Creek Terrace Association | Napavine | 39 | Not sampled | 0 |
| Snug Harbor Owners Club | Port Orchard | 39 | Not sampled | 0 |
| Viewcrest Water System | MT Vernon | 39 | Not sampled | 0 |
| Wells Water Association | Auburn | 39 | Not sampled | 0 |
| Cooperfield 678 | Lacey | 38 | Not sampled | 0 |
| East Crystal Lake Estates Community | MT Vernon | 38 | Not sampled | 0 |
| Elm Tree Water & Sewer Assn | Tonasket | 38 | Not sampled | 0 |
| Lake Retreat Firs #2 Water Assoc. | Ravensdale | 38 | Not sampled | 0 |
| Little Cedar Park | Spanaway | 38 | Not sampled | 0 |
| Malaga Market | Quincy | 38 | Not sampled | 0 |
| Marine Estates Mutual Water Assn | Vashion Island | 38 | Not sampled | 0 |
| Point Richmond HOA | Port Orchard | 38 | Not sampled | 0 |
| Rls 1 | McCleary | 38 | Not sampled | 0 |
| Sage Hills Estates 1 | Warden | 38 | Not sampled | 0 |
| Seawest Water System | MT Vernon | 38 | Not sampled | 3 |
| Cedarhearth Water | Freeland | 37 | Not sampled | 0 |
| Cole Point Association | Port Orchard | 37 | Not sampled | 2 |
| Crystal Springs | Tacoma | 37 | Not sampled | 0 |
| Dominion View Water Assn | Chewelah | 37 | Not sampled | 0 |
| Greenbriar | Tacoma | 37 | Not sampled | 0 |
| Huffman | Port Orchard | 37 | Not sampled | 0 |
| Humphrey Head Owners Assoc | Lopez Island | 37 | Not sampled | 0 |
| Lake Emelia | Port Orchard | 37 | Not sampled | 0 |
| Many Lakes Mobile Home Park | Tonasket | 37 | Not sampled | 0 |
| New Hope Farms | Goldendale | 37 | Not sampled | 0 |
| Noble Woods Water System | Lake Forest Park | 37 | Not sampled | 0 |
| Ponderosa Mobile Park | Port Orchard | 37 | Not sampled | 0 |
| Royal Coachman Mobil Est | Ferndale | 37 | Not sampled | 0 |
| Sandberg Water Assn | Freeland | 37 | Not sampled | 0 |
| Schmid | Tacoma | 37 | Not sampled | 0 |
| Sherman Hill | Belfair | 37 | Not sampled | 0 |
| Silver Sands Condo Water | Moses Lake | 37 | Not sampled | 0 |
| Towns Mobile Home Park | Cashmere | 37 | Not sampled | 0 |
| Verdan Anderson Hill | Tacoma | 37 | Not sampled | 0 |
| West Beach Road Association | Coupeville | 37 | Not sampled | 0 |
| Bardin Hills Farmworker Housing | Wenatchee | 36 | Not sampled | 0 |
| Biscay Duplexes 675 | Lacey | 36 | Not sampled | 0 |
| Bunk Foss System | Arlington | 36 | Not sampled | 0 |
| Campo Verde Street & Water Assn | Port Orchard | 36 | Not sampled | 0 |
| Common Field Water System | Lopez Island | 36 | Not sampled | 0 |
| Derby Downs | Port Orchard | 36 | Not sampled | 0 |
| Doyle Water Association | Oak Harbor | 36 | Not sampled | 0 |
| E.L.C. Water System | Eastsound | 36 | Not sampled | 8 |
| Grotto Water Association | Skykomish | 36 | Not sampled | 0 |
| Hiway Trailer Court | Port Orchard | 36 | Not sampled | 3 |
| Reed Ranch Road Water | Maple Valley | 36 | Not sampled | 0 |
| Rolf Bruun | MT Vernon | 36 | Not sampled | 0 |
| San Juan Estates Water Association | Oak Harbor | 36 | Not sampled | 0 |
| Seabold Heights | Port Orchard | 36 | Not sampled | 0 |
| Solar Pines Water Assn | Loon Lake | 36 | Not sampled | 0 |
| Aust 210 | Lacey | 35 | Not sampled | 0 |
| Braunwood Estates | Auburn | 35 | Not sampled | 0 |
| Cliftonwood | Port Orchard | 35 | Not sampled | 0 |
| Hidden Heights | Port Orchard | 35 | Not sampled | 0 |
| Leisure Acres Water Association | Coupeville | 35 | Not sampled | 0 |
| Lincoln Hill Estates | Port Orchard | 35 | Not sampled | 0 |
Every utility EPA sampled for PFAS under UCMR 5, any other community system serving 3,300 people or more, and any smaller one with results from 2020 on, from the state. Other systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q3, UCMR 5 and EPA’s 2012 to 2019 compliance results, and Washington State Department of Health, Office of Drinking Water.
Where to go next
- Read your utility’s own reportIt covers contaminants these pages don’t show, and its own latest results.How to read it
- Every contaminantLegal limits, health goals and what handles each one.All contaminants
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