Water Systems
| Water System | Service Area | People Served | Contaminants detected |
|---|---|---|---|
FR Friday Harbor Town Of | San Juan County, WA | 3,531 | 12 |
ZI Zillah City Of | Yakima County, WA | 3,518 | 10 |
NA Naches Town Of | Yakima County, WA | 3,512 | 9 |
RO Roosevelt Water Association | Snohomish County, WA | 3,493 | 11 |
FA Fairchild Air Force Base | Spokane County, WA | 3,463 | 14 |
MI Millersylvania State Park | Thurston County, WA | 3,456 | 1 |
HO Horizons West | Kitsap County, WA | 3,409 | 7 |
RO Royal City Water | Grant County, WA | 3,389 | 17 |
TE Tenino City Of | Thurston County, WA | 3,336 | 9 |
DA Dayton Water Department | Columbia County, WA | 3,283 | 10 |