Public Water Systems
4,557 active water systems in WA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| NORTH PENINSULA | Poulsbo, WA | 16,449 | 31 | Clean |
| OLYMPIC VIEW WATER & SEWER DISTRICT | Edmonds, WA | 16,403 | 14 | Clean |
| SUMMIT WATER & SUPPLY CO | Tacoma, WA | 16,109 | 23 | Detected |
| KING COUNTY WATER DISTRICT #49 | Burien, WA | 16,065 | 9 | Clean |
| COAL CREEK UTILITY DISTRICT | Newcastle, WA | 15,989 | 12 | Clean |
| SNOQUALMIE WATER | SNOQUALIME, WA | 15,848 | 39 | Clean |
| CHELAN CO PUD 1 | Wenatchee, WA | 15,840 | 20 | Clean |
| PORT ORCHARD WATER DEPT | PORT ORCHARD, WA | 15,810 | 119 | Clean |
| SUMNER CITY OF | Sumner, WA | 15,530 | 107 | Clean |
| FRUITLAND MUTUAL WATER COMPANY | PUYALLUP, WA | 15,313 | 137 | Detected |
| KELSO CITY OF | KELSO, WA | 15,097 | 13 | Clean |
| GIG HARBOR WATER DEPT | Gig Harbor, WA | 14,902 | 36 | Clean |
| CHENEY CITY OF | Cheney, WA | 14,621 | 17 | Detected |
| QUIMPER | Port Townsend, WA | 14,500 | 676 | Detected |
| SEQUIM CITY OF | SEQUIM, WA | 14,293 | 12 | Detected |
| LIBERTY LAKE SEWER & WATER DISTRICT | Liberty Lake, WA | 14,212 | 27 | Detected |
| STANWOOD WATER DEPT CITY OF | Stanwood, WA | 13,785 | 179 | Clean |
| DUPONT WATER SYSTEM CITY OF | DuPont, WA | 13,141 | 5 | Clean |
| JBLM McChord Field | Joint Base Lewis-McChord, WA | 13,115 | 343 | Detected |
| SELAH CITY OF | Selah, WA | 12,515 | 243 | Detected |
| BAINBRIDGE ISLAND CITY OF | Bainbridge Island, WA | 12,486 | 9 | Clean |
| NAVAL BASE KITSAP AT BREMERTON | Silverdale, WA | 12,078 | 22 | Clean |
| SKYWAY WATER & SEWER | Seattle, WA | 12,036 | 4 | Clean |
| BEACON HILL WATER & SEWER DISTRICT | Kelso, WA | 11,969 | 2 | Clean |
| HOQUIAM WATER DEPARTMENT | HOQUIAM, WA | 11,456 | 10 | Clean |
| CHEHALIS WATER DEPARTMENT | Chehalis, WA | 11,426 | 42 | Clean |
| SNOHOMISH CITY OF | Snohomish, WA | 11,258 | 111 | Clean |
| GRANDVIEW CITY OF | Grandview, WA | 11,010 | 346 | Detected |
| WOODLAND CITY OF | WOODLAND, WA | 10,640 | 518 | Detected |
| MANCHESTER WATER DISTRICT | MANCHESTER, WA | 10,437 | 54 | Clean |
| ORTING CITY OF | Orting, WA | 10,332 | 57 | Clean |
| DUVALL CITY OF | DUVALL, WA | 10,267 | 6 | Clean |
| LWWSD - SOUTH SHORE WATER SYSTEM | Bellingham, WA | 10,028 | 107 | Clean |
| PORT ANGELES COMPOSITE | Carlsborg, WA | 9,879 | 39 | Detected |
| COUGAR ROCK CAMPGROUND | Ashford, WA | 9,722 | 12 | — |
| MOUNTAIN VIEW-EDGEWOOD WATER CO | Edgewood, WA | 9,680 | 7 | Detected |
| AIRWAY HEIGHTS CITY OF | Airway, WA | 9,489 | 194 | Detected |
| CONSOLIDATED IRRIG DIST 19 SYSTEM 1 | Greenacres, WA | 9,434 | 22 | Clean |
| CHELAN WATER DEPT CITY OF | Chelan, WA | 9,425 | 105 | Clean |
| OCEAN SHORES WATER DEPT | Hoquiam, WA | 9,347 | 152 | Clean |
| LEAVENWORTH CITY OF | Leavenworth, WA | 9,218 | 68 | — |
| BIRCH BAY WATER & SEWER DISTRICT | Birch Bay, WA | 9,019 | 64 | Clean |
| TOPPENISH WATER DEPARTMENT | Toppenish, WA | 8,950 | 8 | Detected |
| OTHELLO WATER DEPARTMENT | Othello, WA | 8,755 | 159 | Detected |
| UNION HILL WATER ASSOCIATION INC | Redmond, WA | 8,720 | 312 | Clean |
| EPHRATA WATER DEPARTMENT | Ephrata, WA | 8,620 | 267 | Detected |
| STEILACOOM TOWN OF | Steilacoom, WA | 8,545 | 2 | Clean |
| NE SAMMAMISH SEWER & WATER DISTRICT | Sammamish, WA | 8,516 | 19 | Clean |
| QUINCY WATER DEPARTMENT CITY OF | Quincy, WA | 8,415 | 281 | Clean |
| YAK CO - TERRACE HEIGHTS | Yakima, WA | 8,410 | 174 | Detected |