Water Systems
| Water System | Service Area | People Served | Contaminants detected |
|---|---|---|---|
RO Rosedale Heights Trailer Park | Pierce County, WA | 435 | 10 |
CO Combined Water System | Island County, WA | 435 | 12 |
MA Maplewood Addition Water Coop | King County, WA | 435 | 4 |
RY Ryderwood Improvement & Service As | Cowlitz County, WA | 434 | 8 |
FO Four Lakes Water District 10 | Spokane County, WA | 433 | 6 |
HM Hmc Management Water System | Pierce County, WA | 432 | 1 |
SE Seven Bays Estates Unlimited | Lincoln County, WA | 431 | 11 |
RO Royal Water District | Grant County, WA | 430 | 1 |
EC Echo Glen Childrens Center | King County, WA | 430 | 1 |
RI Riverside Town Of | Okanogan County, WA | 429 | 10 |