County · Washington
Skamania County, Washington: drinking water records
This overview covers 6 ZIP codes and 14 community water systems in Skamania County. It also stands in for 0 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 |
|---|---|---|---|---|---|
| Sunridge Water INC OR4105798 | 200 | 0 | 0 | 1 | 0 ppb |
| Duggan Falls WA5303754 | 100 | 0 | 0 | 2 | 2.6 ppb |
| Mountain View WA5316937 | 72 | 0 | 0 | 1 | 0 ppb |
| Stevenson Water Dept WA5384250 | 4,702 | 0 | 0 | 0 | 2.1 ppb |
| Carson WA5311340 | 3,015 | 0 | 0 | 0 | 1.5 ppb |
| North Bonneville City of WA5360150 | 1,048 | 0 | 0 | 0 | 3.1 ppb |
| Underwood WA5390200 | 1,000 | 0 | 0 | 0 | 8.5 ppb |
| Home Valley Water District WA5309188 | 500 | 0 | 0 | 0 | 1.2 ppb |
| Mill a Water Co WA5354680 | 278 | 0 | 0 | 0 | 0 ppb |
| Skamania Landing Owners Assn WA5309251 | 132 | 0 | 0 | 0 | 28.4 ppb |
| Maple Hill Water Services WA5384300 | 62 | 0 | 0 | 0 | 3 ppb |
| Wind River Community WA5320029 | 44 | 0 | 0 | 0 | 0.9 ppb |
| Willard WA5315663 | 40 | 0 | 0 | 0 | 1.9 ppb |
| Johnston, James W WA5319001 | 28 | 0 | 0 | 0 | 3.5 ppb |
ZIP reports in Skamania County
No ZIP report in this county is published yet.
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.