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Idaho · 3,354 people served · 18 water systems
ZIP code 83607 is in Idaho and is a small town from a drinking-water-service perspective, with 3,354 people served by 18 EPA-registered public water systems. It corresponds to CALDWELL.
Within ZIP code 83607, the EPA Safe Drinking Water Information System (SDWIS) records 102 health-based violations during the past five years across 18 water systems serving this postal area. The grade of F reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
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CALDWELL HOUSING AUTHORITY
PWSID: ID3140012
1,100 served
STECHER MUTUAL WATER COMPANY
PWSID: ID3140175
62 served
WOODVIEW ACRES PROPERTY OWNERS
PWSID: ID3140141
245 served
WILDROSE ESTATES
PWSID: ID3140139
40 served
KARCHER RANCHETTE WATER CORP
PWSID: ID3140049
213 served
GEM STATE ACADEMY
PWSID: ID3140038
121 served
SOMERSET WEST WATER CORP
PWSID: ID3140113
203 served
PAR ESTATES HOMEOWNERS ASSN
PWSID: ID3140180
140 served
VANAL HEIGHTS SWEET WATER
PWSID: ID3140132
45 served
EL RANCHO HEIGHTS
PWSID: ID3140034
300 served
IDAHO YOUTH RANCH HANDS OF PROMISE
PWSID: ID3140274
95 served
STECHER WATER USERS ASSN
PWSID: ID3140116
70 served
RICH SUBD
PWSID: ID3140096
60 served
OWYHEE VILLAGE SUBD WATER ASSN INC
PWSID: ID3140087
200 served
PLEASANT VIEW MANOR
PWSID: ID3140079
100 served
MAVERICK SUBD LASHER CONSTRUCTION
PWSID: ID3140069
90 served
DRAKE SUBD
PWSID: ID3140028
150 served
COUNTRY CLUB SUBDIVISIONS WATER ASSN
PWSID: ID3140022
120 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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