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ZIP Code 95020 Water Quality
California · 59,936 people served · 11 water systems
C
FairZIP code 95020 is in California and is a mid-sized community from a drinking-water-service perspective, with 59,936 people served by 11 EPA-registered public water systems. It corresponds to GILROY.
Within ZIP code 95020, the EPA Safe Drinking Water Information System (SDWIS) records 5 health-based violations during the past five years across 11 water systems serving this postal area. The grade of C 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 95020
Water Systems Serving 95020
RUCKER AVENUE MUTUAL WATER CO
PWSID: CA4301410
25 served
ANGELO LANE WATER COMPANY
PWSID: CA4300578
41 served
EMERALD VALLEY MUTUAL WATER COMPANY
PWSID: CA4301004
43 served
BURCHELL ROAD WATER ASSOCIATION
PWSID: CA4300567
65 served
QUAIL CREEK ESTATES MUTUAL WATER COMPANY
PWSID: CA4300979
55 served
NEW AVENUE MUTUAL WATER COMPANY
PWSID: CA4300771
305 served
GOLDEN HEIGHTS MUTUAL WATER COMPANY
PWSID: CA4300992
66 served
VALLEY VIEW RANCHES
PWSID: CA4300996
45 served
CITY OF GILROY
PWSID: CA4310004
59,203 served
LOS RANCHOS DE UVAS WATER COMPANY
PWSID: CA4300637
58 served
LIVE OAK CREEK MUTUAL WATER COMPANY
PWSID: CA4300829
30 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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