County · Washington
Chelan County, Washington: drinking water records
This overview covers 13 ZIP codes and 46 community water systems in Chelan County. It also stands in for 3 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 |
|---|---|---|---|---|---|
| Wenatchee City of WA5394350 | 43,690 | 60 | 0 | 0 | 2 ppb |
| Chelan Co PUD 1 WA5312284 | 16,190 | 60 | 0 | 0 | 0 ppb |
| Chelan Water Dept City of WA5312300 | 9,425 | 120 | 0 | 0 | 3.2 ppb |
| Lake Chelan Reclamation District WA5343783 | 6,798 | 120 | 0 | 0 | 0 ppb |
| Chelan Co PUD1 - Peshastin WA5367050 | 1,397 | 0 | 0 | 1 | 1 ppb |
| Holden Village WA5333666 | 228 | 0 | 0 | 3 | 0 ppb |
| Little Butte Water System WA5349120 | 101 | 0 | 0 | 1 | 0.6 ppb |
| Leavenworth City of WA5346500 | 11,041 | 0 | 0 | 0 | 0 ppb |
| Cashmere Water Department WA5311700 | 5,815 | 0 | 0 | 0 | 5.8 ppb |
| Malaga Water District WA5350500 | 2,478 | 0 | 0 | 0 | 0 ppb |
| Chelan Co PUD - Chelan Ridge WA5300631 | 2,429 | 0 | 0 | 0 | 0.7 ppb |
| Alpine Water District WA5325315 | 2,255 | 0 | 0 | 0 | 0.8 ppb |
| Entiat City of WA5323500 | 1,730 | 0 | 0 | 0 | 0 ppb |
| Ponderosa Community Club INC WA5368417 | 1,170 | 0 | 0 | 0 | 2.9 ppb |
| Three Lakes Water District WA5388140 | 650 | 0 | 0 | 0 | 0 ppb |
| Chiwawa Communities Assn WA5312850 | 352 | 0 | 0 | 0 | 0.7 ppb |
| Chelan Falls Water District WA5312350 | 335 | 0 | 0 | 0 | 0.5 ppb |
| Valleyhi Community Club WA5390975 | 242 | 0 | 0 | 0 | 0 ppb |
| Apple Acres Village WA5302735 | 212 | 0 | 0 | 0 | 1 ppb |
| Bear Mountain Water District WA5307155 | 177 | 0 | 0 | 0 | 0 ppb |
| Peshastin Domestic Water Assn WA5367100 | 177 | 0 | 0 | 0 | 0 ppb |
| Chelan Co PUD - Dryden WA5320100 | 163 | 0 | 0 | 0 | 1.7 ppb |
| Turtlerock Homeowners Association WA5312490 | 133 | 0 | 0 | 0 | 0.3 ppb |
| Ski Hill Domestic Water Association WA5302413 | 102 | 0 | 0 | 0 | 0.5 ppb |
| Dawn Lee Courts WA5318188 | 100 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Chelan 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: 98811, 98821, 98852.
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.