Public Water Systems
4,557 active public water systems in WA, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| North Bonneville City Of | North Bonneville, WA | 1,048 | 16 | - |
| Scenic Beach State Park | Bremerton, WA | 1,045 | 33 | - |
| Fawn Lake Maintenance Comm | Shelton, WA | 1,044 | 138 | - |
| Twisp Town Of | Twisp, WA | 1,044 | 138 | - |
| Estates Inc | Sequim, WA | 1,043 | 85 | - |
| Spring Canyon Campground | Coulee dam, WA | 1,043 | 4 | - |
| Wilbur Town Of | Marshall, WA | 1,040 | 340 | - |
| Bayview Beach Water District | Freeland, WA | 1,035 | 34 | - |
| George City Of | George, WA | 1,035 | 74 | - |
| Rosario | Tacoma, WA | 1,031 | 54 | - |
| Washington Beef LLC | Toppenish, WA | 1,025 | 0 | - |
| Cape George Colony Club Inc | Belfair, WA | 1,022 | 77 | - |
| Samish Farms Water Assn | Bow, WA | 1,017 | 14 | - |
| Mission Ridge Ski Area Water System | Wenatchee, WA | 1,009 | 15 | - |
| Orcas Landing Inc | Eastsound, WA | 1,007 | 770 | - |
| General Store | Pasco, WA | 1,006 | 30 | - |
| Conconully State Park | Winthrop, WA | 1,004 | 16 | - |
| Lake Quinault | Quinault, WA | 1,003 | 1,331 | - |
| Washington Cathedral | Redmond, WA | 1,001 | 5 | - |
| Allan Bros Warehouse | Naches, WA | 1,000 | 125 | - |
| Underwood | Carson, WA | 1,000 | 202 | - |
| Sunserra at Crescent Bar | Quincy, WA | 1,000 | 161 | - |
| Wiley City Fairgrounds | Yakima, WA | 1,000 | 0 | - |
| Selah Cr Sb Rest Area | Yakima, WA | 1,000 | 20 | - |
| Deception Pass Sp - Rosario Beach | Oak Harbor, WA | 999 | 5 | - |
| Dockton Water Association | Vashon, WA | 992 | 70 | - |
| Glacier Springs Water Assn | Trout Lake, WA | 992 | 30 | - |
| Amboy Clark Public Utilities | Vancouver, WA | 991 | 30 | - |
| Vernita Rest Area 1 | Yakima, WA | 991 | 2 | - |
| Finley School District #53 | Cle Elum, WA | 990 | 19 | - |
| Joemma Beach | Belfair, WA | 989 | 3 | - |
| Odessa | WA | 986 | 51 | - |
| Vader-Enchanted Valley | Chehalis, WA | 985 | 57 | - |
| Kayak Point County Park | Snohomish, WA | 978 | 9 | - |
| Hood Park | Pasco, WA | 977 | 4 | - |
| The Buttes | Puyallup, WA | 973 | 2 | - |
| Illahee Oyehut | Montesano, WA | 971 | 26 | - |
| Twenty Five Mile Creek State Park | Pateros, WA | 970 | 3 | - |
| Marion Water Co Inc | Port Orchard, WA | 966 | 48 | - |
| Burton Water Cooperative | Vashon, WA | 964 | 23 | - |
| Eagle Plaza Truck Stop | Napavine, WA | 962 | 46 | - |
| Kaiser Alum - Trentwood Works | Spokane, WA | 954 | 12 | - |
| Yak Co - Buena Water System | Yakima, WA | 952 | 5 | - |
| Forest Learning Center | Vancouver, WA | 951 | 16 | - |
| Coulee City Town Of | Coulee City, WA | 944 | 27 | - |
| Winchester Wb Rest Area | Ephrata, WA | 944 | 11 | - |
| Cape Horn Maintenance Company | Mount Vernon, WA | 940 | 30 | - |
| Nisqually Commercial Park | Shelton, WA | 940 | 166 | - |
| Lyle Water System | Goldendale, WA | 938 | 8 | - |
| Miller | Napavine, WA | 935 | 40 | - |