County · Washington
Douglas County, Washington: drinking water records
This overview covers 9 ZIP codes and 23 community water systems in Douglas County. It also stands in for 1 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| East Wenatchee Water District WA5321800 | 26,519 | 60 | 0 | 0 | 0 ppb |
| Desert Canyon Domestic Water System WA5302498 | 292 | 0 | 0 | 1 | 2.9 ppb |
| Harbor Lights Mobile Resort FL6090729 | 63 | 0 | 0 | 1 | 1.1 ppb |
| Rock Island Water Dept City of WA5373401 | 3,226 | 0 | 0 | 0 | 1 ppb |
| Bridgeport City of WA5308350 | 2,214 | 0 | 0 | 0 | 5.4 ppb |
| Waterville Town of WA5393600 | 1,140 | 0 | 0 | 0 | 0 ppb |
| Sun Cove Public Water System WA5385124 | 716 | 0 | 0 | 0 | 0.9 ppb |
| Mansfield Water System WA5350850 | 380 | 0 | 0 | 0 | 0 ppb |
| Corral Springs Water System WA5351714 | 336 | 0 | 0 | 0 | 2.1 ppb |
| Greater Bar Water District WA5319910 | 330 | 0 | 0 | 0 | 0 ppb |
| Crane Ranch WA5315818 | 329 | 0 | 0 | 0 | 0 ppb |
| Cro Farms INC WA5314174 | 297 | 0 | 0 | 0 | 2.8 ppb |
| Bauers Landing Lodge WA5305836 | 291 | 0 | 0 | 0 | 3 ppb |
| Brays Landing Water Users WA5307289 | 228 | 0 | 0 | 0 | 0 ppb |
| Afc Ranch 1 WA5303427 | 217 | 0 | 0 | 0 | 1.4 ppb |
| Dufort Water Association ID1090268 | 216 | 0 | 0 | 0 | 0 ppb |
| Bear Claw Subd ID1090231 | 65 | 0 | 0 | 0 | 1 ppb |
| Deschutes Mobile Park OR4100117 | 62 | 0 | 0 | 0 | 1.4 ppb |
| Cascade Foothills WA5307285 | 61 | 0 | 0 | 0 | 0 ppb |
| Riverview Trailer Park OR4101129 | 60 | 0 | 0 | 0 | 1.3 ppb |
| Withrow Water Works WA5398000 | 60 | 0 | 0 | 0 | 0 ppb |
| Moses Coulee Water Association WA5305914 | 42 | 0 | 0 | 0 | 0 ppb |
| Rich Acres Water Corp WA5372227 | 30 | 0 | 0 | 0 | 38.7 ppb |
ZIP reports in Douglas County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 98845.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.