County · Idaho
Nez Perce County, Idaho: drinking water records
This overview covers 8 ZIP codes and 16 community water systems in Nez Perce 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 |
|---|---|---|---|---|---|
| Lewiston Orchards Irrigation Dist ID2350015 | 20,000 | 120 | 0 | 0 | 0 ppb |
| Lewiston City of ID2350014 | 15,001 | 420 | 3 | 0 | 1 ppb |
| BIA North Idaho 101612108 | 490 | 0 | 0 | 24 | 0 ppb |
| Red Pheasant Water Company LLC ID2350040 | 480 | 0 | 0 | 1 | 1 ppb |
| Eaton Mobile Home Court ID2350008 | 94 | 0 | 0 | 4 | 0 ppb |
| Red Rock Water LLC ID2350025 | 60 | 0 | 0 | 4 | 0 ppb |
| View Point Subdivision ID2350042 | 56 | 0 | 0 | 1 | 0 ppb |
| Culdesac City of ID2350003 | 382 | 0 | 0 | 0 | 2 ppb |
| Lapwai City of ID2350011 | 325 | 0 | 0 | 0 | 0 ppb |
| South Lapwai 101600003 | 235 | 0 | 0 | 0 | 0 ppb |
| Peck Water System ID2350023 | 210 | 0 | 0 | 0 | 2 ppb |
| Kamiah 101611104 | 200 | 0 | 0 | 0 | 0 ppb |
| Cougar Ridge Water & Sewer ID2350036 | 173 | 0 | 0 | 0 | 0 ppb |
| Eagles Pointe Subdivision ID2350038 | 110 | 0 | 0 | 0 | 0 ppb |
| North Lapwai 101611105 | 110 | 0 | 0 | 0 | 0 ppb |
| Waha Glen Water Dist ID2350030 | 100 | 0 | 0 | 0 | 1 ppb |
ZIP reports in Nez Perce 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.