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ZIP Code 95112 Water Quality
California · 2,072,724 people served · 52 water systems
A
ExcellentZIP code 95112 is in California and is a major metropolitan area from a drinking-water-service perspective, with 2,072,724 people served by 52 EPA-registered public water systems. It corresponds to SAN JOSE.
Within ZIP code 95112, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 52 water systems serving this postal area.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 95112
Water Systems Serving 95112
CWS - UPPER BODFISH WATER SYSTEM
PWSID: CA1510026
307 served
BAKERSFIELD, CITY OF
PWSID: CA1510031
160,144 served
CWS - KERNVILLE
PWSID: CA1510033
2,572 served
CWS SOUTHLAKE SYSTEM
PWSID: CA1510039
1,112 served
CWS-ONYX WATER SYSTEM
PWSID: CA1510043
284 served
CWS - LAKELAND
PWSID: CA1510049
294 served
CWS - NORTH GARDEN
PWSID: CA1510055
22,762 served
CWS - LOWER BODFISH WATER SYSTEM
PWSID: CA1510056
736 served
LUCERNE WATER CO. - CAL WATER SERVICE
PWSID: CA1710005
2,129 served
CWS - BAKERSFIELD
PWSID: CA1510003
267,881 served
CWS - FREMONT VALLEY
PWSID: CA1500333
167 served
CWS-GRAND OAKS WATER SYSTEM
PWSID: CA1500374
122 served
CWS-SPLIT MOUNTAIN WATER SYSTEM
PWSID: CA1500407
226 served
CALIFORNIA WATER SERVICE CO.-TRAVIS AFB
PWSID: CA4810701
18,111 served
ARMSTRONG VALLEY-CAL WATER SERVICE (PUC)
PWSID: CA4910018
473 served
CALIFORNIA WATER SERVICE CO - WESTLAKE
PWSID: CA5610016
19,533 served
CAL-WATER SERVICE CO.-MARYSVILLE
PWSID: CA5810001
12,419 served
CWS - VISALIA
PWSID: CA5410016
148,496 served
CWS - MULLEN WATER COMPANY
PWSID: CA5400935
138 served
CWS - TULCO WATER COMPANY
PWSID: CA5410041
716 served
TESORO VIEJO MASTER MWC, INC.
PWSID: CA2010017
3,885 served
COAST SPRINGS - CAL. WATER SERVICE (PUC)
PWSID: CA2110007
388 served
CALIFORNIA WATER SERVICE CO-LAKE HUGHES
PWSID: CA1910242
929 served
CALIFORNIA WATER SERVICE CO-LEONA VALLEY
PWSID: CA1910243
878 served
CALIFORNIA WATER SERVICE CO. - PALOS VER
PWSID: CA1910104
71,452 served
CALIFORNIA WATER SERVICE CO. - HERM/REDO
PWSID: CA1910134
96,853 served
CALIFORNIA WATER SERVICE CO.-LANCASTER
PWSID: CA1910010
1,387 served
CALIFORNIA WATER SERVICE - BEAR GULCH
PWSID: CA4110006
61,431 served
CALIFORNIA WATER SERVICE - SAN CARLOS
PWSID: CA4110007
35,344 served
CALIFORNIA WATER SERVICE - SAN MATEO
PWSID: CA4110008
102,348 served
CALIFORNIA WATER SERVICE-S SAN FRANCISCO
PWSID: CA4110009
64,146 served
CALIFORNIA WATER SERVICE - STOCKTON
PWSID: CA3910001
176,266 served
CWSC LOS ALTOS SUBURBAN
PWSID: CA4310001
69,973 served
CALIFORNIA WATER SERVICE CO. - DIXON
PWSID: CA4810002
10,623 served
NOEL HEIGHTS-CAL WATER SERVICE (PUC)
PWSID: CA4900785
79 served
RANCHO DEL PARADISO-CAL WATER SVC (PUC)
PWSID: CA4900514
94 served
HAWKINS WATER CO-CAL WATER SERVICE (PUC)
PWSID: CA4900546
81 served
CAL-WATER SERVICE CO.-HAMILTON CITY
PWSID: CA1110002
1,799 served
CAL-WATER SERVICE CO.-WILLOWS
PWSID: CA1110003
7,240 served
CWS - SELMA
PWSID: CA1010024
26,517 served
CWSC KING CITY
PWSID: CA2710009
16,334 served
CWSC SALINAS
PWSID: CA2710010
123,679 served
CWSC SALINAS HILLS
PWSID: CA2710012
5,293 served
CWSC LAS LOMAS
PWSID: CA2710013
2,084 served
CWSC OAK HILLS
PWSID: CA2710019
3,161 served
COMMERCE-CITY, WATER DEPT.
PWSID: CA1910050
4,205 served
HAWTHORNE-CITY WATER DEPT.
PWSID: CA1910047
44,718 served
CALIFORNIA WATER SERVICE CO. - DOMINGUEZ
PWSID: CA1910033
143,996 served
CALIFORNIA WATER SERVICE CO. - ELA
PWSID: CA1910036
152,474 served
CAL-WATER SERVICE CO.-CHICO
PWSID: CA0410002
114,925 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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