💧 ZIP Water Report

Tap water in Lewiston, ID — ZIP 83501

2 public water systems serving about 35,001 people. PFAS "forever chemicals" have been detected here.

C
Fair
PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5 testing. Levels and the 2024 federal limits are shown per system below.

Water systems serving 83501

Lewiston Orchards Irrigation Dist
PWSID ID2350015 · serves 20,000 · groundwater
0 health-based / 0 total violations (5 yrs)
A
Lewiston City Of
PWSID ID2350014 · serves 15,001 · surface water
0 health-based / 42 total violations (5 yrs) · PFAS up to 5.6 ppt
C

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology