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ZIP Code 95927 Water Quality
California · 21,155 people served · 19 water systems
F
FailingZIP code 95927 is in California and is a small city from a drinking-water-service perspective, with 21,155 people served by 19 EPA-registered public water systems. It corresponds to CHICO.
Within ZIP code 95927, the EPA Safe Drinking Water Information System (SDWIS) records 29 health-based violations during the past five years across 19 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 95927
Water Systems Serving 95927
DEL ORO WATER CO.-JOHNSON PARK
PWSID: CA4510015
904 served
DEL ORO WATER CO-FERNDALE
PWSID: CA1210007
1,662 served
BENBOW-DEL ORO W.C.
PWSID: CA1200671
370 served
DEL ORO WC - BLACK BUTTE DISTRICT
PWSID: CA1100404
277 served
DEL ORO WATER CO.-LIME SADDLE MARINA
PWSID: CA0405001
895 served
DEL ORO WATER CO.-MAGALIA
PWSID: CA0410009
340 served
DEL ORO WATER CO.-PARADISE PINES
PWSID: CA0410011
10,940 served
DEL ORO WATER CO.-STIRLING BLUFFS
PWSID: CA0410018
521 served
DEL ORO WC - ARBUCKLE DISTRICT
PWSID: CA0605011
185 served
DEL ORO WATER CO - METROPOLITAN DISTRICT
PWSID: CA1000057
92 served
DEL ORO WC - COUNTRY ESTATES DIST
PWSID: CA1500314
297 served
DEL ORO WATER COMPANY - STRAWBERRY DIV.
PWSID: CA5510007
1,295 served
DEL ORO WC - LARKSPUR MEADOWS
PWSID: CA5200574
116 served
DEL ORO WATER CO. - HAT CREEK DISTRICT
PWSID: CA4500022
185 served
DEL ORO WATER COMPANY - BUZZTAIL DIST.
PWSID: CA0400091
106 served
DEL ORO TRAVER DISTRICT
PWSID: CA5400553
657 served
DEL ORO RIVER ISLAND SERV TERR #1
PWSID: CA5400665
1,280 served
DEL ORO RIVER ISLAND SERV TERR #2
PWSID: CA5402048
89 served
DEL ORO CALIFORNIA PINES DISTRICT
PWSID: CA5410034
944 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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