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Idaho · 36,156 people served · 10 water systems
ZIP code 83501 is in Idaho and is a small city from a drinking-water-service perspective, with 36,156 people served by 10 EPA-registered public water systems. It overlaps with 2 communities including LEWISTON, HARVARD.
Within ZIP code 83501, the EPA Safe Drinking Water Information System (SDWIS) records 6 health-based violations during the past five years across 10 water systems serving this postal area. The grade of D reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
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LEWISTON CITY OF
PWSID: ID2350014
15,001 served
COUGAR RIDGE WATER & SEWER
PWSID: ID2350036
173 served
RED PHEASANT WATER COMPANY LLC
PWSID: ID2350040
480 served
VIEW POINT SUBDIVISION
PWSID: ID2350042
56 served
WAHA GLEN WATER DIST
PWSID: ID2350030
100 served
RED ROCK WATER LLC
PWSID: ID2350025
60 served
LEWISTON ORCHARDS IRRIGATION DIST
PWSID: ID2350015
20,000 served
EATON MOBILE HOME COURT
PWSID: ID2350008
94 served
HOO DOO HARVARD WATER AND SEWER DIST
PWSID: ID2290017
82 served
EAGLES POINTE SUBDIVISION
PWSID: ID2350038
110 served
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
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