County · Washington
Lincoln County, Washington: drinking water records
This overview covers 12 ZIP codes and 16 community water systems in Lincoln County. It also stands in for 2 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 |
|---|---|---|---|---|---|
| Harrington City of WA5331450 | 650 | 120 | 0 | 0 | 1.4 ppb |
| Davenport Water Division WA5318100 | 1,750 | 0 | 0 | 0 | 0 ppb |
| Reardan Town of WA5371550 | 1,418 | 0 | 0 | 0 | 0 ppb |
| Wilbur Town of WA5396800 | 1,040 | 0 | 0 | 0 | 1.2 ppb |
| Odessa WA5363050 | 986 | 0 | 0 | 0 | 0 ppb |
| Sprague City of WA5383150 | 570 | 0 | 0 | 0 | 0 ppb |
| Roosevelt Lake Ranch WA5347283 | 487 | 0 | 0 | 0 | 1.6 ppb |
| Seven Bays Estates Unlimited WA5377651 | 431 | 0 | 0 | 0 | 0 ppb |
| Almira Water System WA5301700 | 372 | 0 | 0 | 0 | 4.8 ppb |
| Creston Public Water WA5316150 | 348 | 0 | 0 | 0 | 1.4 ppb |
| Deer Meadows Water Company INC WA5301852 | 268 | 0 | 0 | 0 | 0 ppb |
| Hanson Harbor Homeowners Assn WA5319928 | 220 | 0 | 0 | 0 | 1.9 ppb |
| Edwall Water Assn WA5322550 | 170 | 0 | 0 | 0 | 0 ppb |
| Lakeview Terrace MHP WA5345366 | 135 | 0 | 0 | 0 | 0 ppb |
| Fir Grove Mobile Court OR4100472 | 114 | 0 | 0 | 0 | 0 ppb |
| Columbia Springs Estates WA5304298 | 54 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Lincoln 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: 99144, 99154.
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.