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 |
|---|---|---|---|---|
| Ohanapecosh | Ashford, WA | 2,092 | 35 | - |
| Mirrormont | Tacoma, WA | 2,083 | 31 | - |
| Naselle | Raymond, WA | 2,073 | 70 | - |
| White Pass Company Inc | Naches, WA | 2,066 | 128 | - |
| Heights Water | Vashon, WA | 2,051 | 6 | Clean |
| Concert Camping Inc | Cle Elum, WA | 2,040 | 6 | - |
| Nisqually Pines Community Club | Port Orchard, WA | 2,037 | 4 | - |
| Deer Creek Water Assoc. | Bellingham, WA | 2,000 | 15 | - |
| Purdy Campus System | Gig Harbor, WA | 2,000 | 21 | - |
| Roche Harbor Water System Inc | Friday Harbor, WA | 1,985 | 1,788 | - |
| Lewis Co Water Dist #2 | Onalaska, WA | 1,983 | 2,344 | - |
| Burbank Business Park | Washtucna, WA | 1,983 | 3 | - |
| Clinton Water District | Clinton, WA | 1,980 | 17 | - |
| Skagit Co Water District #1 | Mount Vernon, WA | 1,974 | 15 | - |
| Flaming Geyser State Park | Burlington, WA | 1,947 | 0 | - |
| Toledo Municipal | Toledo, WA | 1,944 | 22 | - |
| Millwood City Of | Spokane, WA | 1,925 | 18 | - |
| Palmer Lake | Tacoma, WA | 1,924 | 20 | - |
| Carlsborg Lud 10 12 13 14 | Carlsborg, WA | 1,917 | 4 | - |
| Anacortes - Fidalgo | Mt Vernon, WA | 1,890 | 4 | - |
| Summit View Water System | Kennewick, WA | 1,869 | 72 | - |
| Wilderness Rim Association | Falls City, WA | 1,867 | 28 | - |
| Scatter Creek Rest Area | Tacoma, WA | 1,858 | 19 | - |
| Hoodsport | Shelton, WA | 1,853 | 51 | - |
| Rocky Point Water District 12 | Bremerton, WA | 1,831 | 4 | - |
| Clallam Bay Sekiu | Carlsborg, WA | 1,824 | 9 | - |
| Waitsburg City of | Waitsburg, WA | 1,817 | 20 | - |
| Cosmopolis Water Department | Raymond, WA | 1,812 | 62 | - |
| Electric City City Of | Electric City, WA | 1,812 | 36 | - |
| Hamilton AL | Napavine, WA | 1,807 | 1,553 | - |
| Canterwood Water System | Gig Harbor, WA | 1,805 | 18 | - |
| Moab Irrigation Dist #20 | Newman lake, WA | 1,790 | 30 | - |
| Glenhaven Lakes Club | Sedro Woolley, WA | 1,780 | 18 | - |
| Rochester | Rochester, WA | 1,762 | 39 | - |
| Bingen Water Dept | Bingen, WA | 1,758 | 183 | - |
| Wallula Dodd Water System | Washtucna, WA | 1,757 | 108 | - |
| Basin City Water Sewer District | Mesa, WA | 1,740 | 68 | - |
| Sumas Water Dept | Sumas, WA | 1,740 | 77 | - |
| Sprague Lake Wb Rest Area | Davenport, WA | 1,736 | 10 | - |
| Entiat City Of | Entiat, WA | 1,730 | 74 | - |
| Ritzville Water Department | Ritzville, WA | 1,725 | 166 | - |
| Davenport Water Division | Davenport, WA | 1,720 | 58 | - |
| Camano Island State Park | Camano Island, WA | 1,718 | 24 | - |
| Indianola Water | Poulsbo, WA | 1,705 | 9 | - |
| Maxwelton Water System | Coupeville, WA | 1,700 | 38 | - |
| Evergreen Clallam County PUD 1 | Carlsborg, WA | 1,694 | 14 | - |
| Ike Kinswa State Park | Castle Rock, WA | 1,680 | 21 | - |
| Republic City Of | Republic, WA | 1,673 | 35 | - |
| Cathlamet Water Dept | Cathlamet, WA | 1,636 | 498 | - |
| Columbia Generating Station | Richland, WA | 1,632 | 91 | - |