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ZIP Code 95004 Water Quality
California · 3,363 people served · 7 water systems
B
GoodZIP code 95004 is in California and is a small town from a drinking-water-service perspective, with 3,363 people served by 7 EPA-registered public water systems. It corresponds to AROMAS.
Within ZIP code 95004, the EPA Safe Drinking Water Information System (SDWIS) records 2 health-based violations during the past five years across 7 water systems serving this postal area. The grade of B 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 95004
Water Systems Serving 95004
PIONEER PLACE MWS
PWSID: CA2701956
64 served
LOS CARNEROS MWA
PWSID: CA2701570
70 served
AROMAS HILLS MUTUAL WATER ASSOCIATION
PWSID: CA3500576
33 served
AROMAS WATER DISTRICT
PWSID: CA3510004
2,988 served
LOMAS DEL SOL MWS
PWSID: CA2701918
93 served
SAN JUAN RD WS #01
PWSID: CA2700733
49 served
MURPHY HILL WS #02
PWSID: CA2700663
66 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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