Public Water Systems
158 active water systems in 10.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| SACKMAN | SUQUAMISH, 10 | 500 | 48 | — |
| NORTHWOOD CASINO | DEMING, 10 | 500 | 250 | — |
| BIA NORTH IDAHO | LAPWAI, 10 | 490 | 414 | — |
| TWO RIVERS RESORT | WELLPINIT, 10 | 480 | 162 | — |
| SILETZ | SILETZ, 10 | 475 | 36 | — |
| WELLPINIT SCHOOL | WELLPINIT, 10 | 473 | 306 | — |
| WOLF DEN RESTAURANT | WAPATO, 10 | 462 | 40 | — |
| NESPELEM AGENCY | NESPELEM, 10 | 445 | 305 | — |
| POCATELLO AIRPORT | POCATELLO, 10 | 423 | 379 | Detected |
| ANGEL OF THE WINDS RV RESORT | ARLINGTON, 10 | 384 | 1 | — |
| OMAK HUD | NESPELEM, 10 | 380 | 529 | — |
| CUYAMACA | OLYMPIA, 10 | 375 | 500 | — |
| QUINAULT RIVER INN | TACOMA, 10 | 370 | 134 | — |
| UPPER SKAGIT | MOUNT VERNON, 10 | 365 | 40 | — |
| DESMET | PLUMMER, 10 | 355 | 123 | — |
| SIMNASHO SCHOOLIE | WARM SPRINGS, 10 | 350 | 335 | — |
| KELLER | NESPELEM, 10 | 340 | 507 | — |
| KALISPEL | USK, 10 | 330 | 66 | — |
| MCCOY LAKE | WELLPINIT, 10 | 325 | 433 | — |
| KIANA LODGE | SUQUAMISH, 10 | 320 | 11 | — |
| CAMPBELL FARM | WAPATO, 10 | 320 | 39 | — |
| VALLEY HOUSING LLC | YAKIMA, 10 | 320 | 0 | — |
| BANNOCK PEAK STORE | FORT HALL, 10 | 309 | 48 | — |
| TOPP MART | YAKIMA, 10 | 303 | 9 | — |
| BIG SKY N. SUBDIVISION | POCATELLO, 10 | 300 | 223 | — |
| NOOKSACK MARKET | DEMING, 10 | 300 | 170 | — |
| PARKER | TOPPENISH, 10 | 300 | 249 | — |
| MARTHA BOARDMAN | WELLPINIT, 10 | 295 | 542 | — |
| ROCKY RIVER ROAD COMMUNITY SITE | NESPELEM, 10 | 260 | 326 | — |
| ROAD WARRIOR | WAPATO, 10 | 250 | 18 | — |
| SOUTH LAPWAI | LAPWAI, 10 | 235 | 121 | — |
| FORT SIMCOE JOB CORPS CTR | WHITE SWAN, 10 | 230 | 678 | — |
| PASCHAL SHERMAN INDIAN SCHOOL | WASHINGTON, 10 | 220 | 195 | — |
| ELWHA HEIGHTS | PORT ANGELES, 10 | 216 | 69 | — |
| STILLAGUAMISH VILLAGE | MOUNT VERNON, 10 | 210 | 16 | — |
| LAKE QUINAULT SCHOOL DIST. 97 | AMANDA PARK, 10 | 210 | 379 | — |
| QUI NAI ELT VILLAGE | TAHOLAH, 10 | 207 | 479 | — |
| INDIAN LAKE CAMPGROUND | PENDLETON, 10 | 200 | 30 | — |
| KAMIAH | LAPWAI, 10 | 200 | 160 | — |
| RIVERS WEST RV PARK (UIUC) | CANYONVILLE, 10 | 200 | 2 | — |
| QUEETS | TAHOLAH, 10 | 200 | 577 | — |
| SHOALWATER BAY | TOKELAND, 10 | 198 | 61 | Clean |
| WA HE LUT INDIAN SCHOOL | WASHINGTON, 10 | 175 | 114 | — |
| OLYMPIC PARK TRAILER COURT | OLYMPIA, 10 | 169 | 390 | — |
| FORD-NEWHOUSE LANE | WELLPINIT, 10 | 160 | 378 | — |
| SATUS SHAKER CHURCH | TOPPENISH, 10 | 160 | 0 | — |
| RAINBOW BEACH RESORT | NESPELEM, 10 | 158 | 112 | — |
| BURNS PAIUTE | BURNS, 10 | 155 | 407 | — |
| 5 CEDARS | DEMING, 10 | 150 | 293 | — |
| RUTSATZ ROAD | DEMING, 10 | 150 | 187 | — |