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ZIP Code 95670 Water Quality
California · 135,073 people served · 13 water systems
F
FailingZIP code 95670 is in California and is a mid-sized community from a drinking-water-service perspective, with 135,073 people served by 13 EPA-registered public water systems. It overlaps with 2 communities including RANCHO CORDOVA, GOLD RIVER.
Within ZIP code 95670, the EPA Safe Drinking Water Information System (SDWIS) records 14 health-based violations during the past five years across 13 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
ZIP Code Location
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Cities in ZIP 95670
Water Systems Serving 95670
HOMETOWN COLONIAL ESTATES LLC
PWSID: CA3400217
400 served
GOLDEN STATE WATER CO. - ROBBINS
PWSID: CA5100107
205 served
GOLDEN STATE WATER CO - ARDEN WATER SERV
PWSID: CA3410003
5,658 served
GOLDEN STATE WATER CO. - CORDOVA
PWSID: CA3410015
47,161 served
GOLDEN STATE WATER COMPANY - BAY POINT
PWSID: CA0710002
23,731 served
GOLDEN STATE WATER COMPANY - SOUTH SHORE
PWSID: CA1700519
30 served
GOLDEN STATE WATER CO.-CLEARLAKE SYSTEM
PWSID: CA1710002
4,644 served
GOLDEN STATE WATER CO - SAN JUAN OAKS
PWSID: CA3510008
159 served
GOLDEN STATE WATER COMPANY - LAKE MARIE
PWSID: CA4210022
545 served
GOLDEN STATE WATER COMPANY - NIPOMO
PWSID: CA4010018
4,506 served
GOLDEN STATE WATER COMPANY-CYPRESS RIDGE
PWSID: CA4010040
2,026 served
GOLDEN STATE WATER COMPANY - SIMI VALLEY
PWSID: CA5610059
45,128 served
GRANITE WHISPER CREEK R.V. RESORT LL.
PWSID: FL5224074
880 served
About ZIP-code water data
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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