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 |
|---|---|---|---|---|
| OLYMPIC WATER SYSTEM | University Place, WA | 75 | 13 | — |
| TEL COMPANY 3 | Freeland, WA | 75 | 2,633 | — |
| WINDOLPH | Port Orchard, WA | 75 | 17 | — |
| WOODLAND PARK MOBIL COURT | Yakima, WA | 75 | 1,788 | — |
| Walla Walla River Packing & Storage | WALLA WALLA, WA | 75 | 57 | — |
| REDTAIL HAWK 616 | Lacey, WA | 75 | 234 | — |
| OLYMPIA BIBLE | OLYMPIA, WA | 75 | 14 | — |
| Island PTBA Water System | Coupeville, WA | 75 | 25 | — |
| Country Christian Center | Pasco, WA | 75 | 12 | — |
| BT Loftus Ranches Field 19 Well | Yakima, WA | 75 | 5 | — |
| Ahtanum Berry Patch | Yakima, WA | 75 | 0 | — |
| HAYNES ACRES DIVISION 1 | Olympia, WA | 74 | 49 | — |
| ZITTELS MARINA | Olympia, WA | 74 | 15 | — |
| PARADISE WATER ASSOC | COPALIS BEACH, WA | 74 | 335 | — |
| DAVIS LANDING WATER SYSTEM | Coupeville, WA | 74 | 8 | — |
| GREEN ACRES MOBILE HOME PARK | SEQUIM, WA | 74 | 16 | — |
| ADMIRAL WATER USERS ASSN | Moses Lake, WA | 74 | 19 | — |
| The High End | E. Wenatchee, WA | 74 | 55 | — |
| LUANA WATER ASSN. | Port Orchard, WA | 74 | 60 | — |
| MARSHALL COMMUNITY WATER ASSN | Marshall, WA | 74 | 397 | — |
| ROM 626 | Lacey, WA | 74 | 20 | — |
| TULALIP SHORES WATER SYSTEM | Arlington, WA | 74 | 47 | — |
| Medicine Creek Winery | Shelton, WA | 74 | 0 | — |
| Stewarts Arena | Port Orchard, WA | 74 | 1 | — |
| LITTLE WHITE SALMON NATL FISH HATC | Cook, WA | 74 | 3 | — |
| WHIDBEY INSTITUTE | Freeland, WA | 73 | 504 | — |
| MADRONA PARK | Shelton, WA | 73 | 1 | — |
| MOA TEL | PORT TOWNSEND, WA | 73 | 14 | — |
| SILVER LAKE RD ACREAGE TRACTS | Coupeville, WA | 73 | 56 | — |
| CRESCENT BAR OUTDOOR REC CLUB | Quincy, WA | 73 | 19 | — |
| SOOS CREEK SALMON HATCHERY | Auburn, WA | 73 | 5 | — |
| LIARS COVE | Conconully, WA | 73 | 5 | — |
| MAPLE HAVEN | SILVERDALE, WA | 73 | 78 | — |
| PIONEER HILL WEST | Poulsbo, WA | 73 | 151 | — |
| PLEASANT VALLEY WATER SYSTEM | Ferndale, WA | 73 | 64 | — |
| RAE LAKE | Shelton, WA | 73 | 148 | — |
| STEAMBOAT ISLAND INC | Port Orchard, WA | 73 | 32 | — |
| Schoonover Hutterian Brethren | Odessa, WA | 73 | 95 | — |
| HIGH RIDGE | Port Orchard, WA | 73 | 15 | — |
| KOPACHUCK STATE PARK | Belfair, WA | 73 | 11 | — |
| LOOKOUT POINT | Tacoma, WA | 72 | 2 | — |
| LOGE ALTA CRYSTAL | Enumclaw, WA | 72 | 34 | — |
| BLACK MOUNTAIN RANCH | Maple Falls, WA | 72 | 15 | — |
| VALLEY FRUIT ORCHARDS LLC | Yakima, WA | 72 | 11 | — |
| CORMORANT WATER SYSTEM | Lopez Island, WA | 72 | 5 | — |
| MOUNTAIN VIEW | White Salmon, WA | 72 | 25 | — |
| DRYDEN INDEPENDENT PLAZA & RV | Dryden, WA | 72 | 26 | — |
| OYSTERVILLE WATER | OYSTERVILLE, WA | 72 | 30 | — |
| HARBOR MOBILE ESTATES | HOQUIAM, WA | 72 | 288 | — |
| LAKESIDE BIBLE CAMP | CLINTON, WA | 72 | 28 | — |