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ZIP Code 93611 Water Quality
California · 130,776 people served · 6 water systems
F
FailingZIP code 93611 is in California and is a mid-sized community from a drinking-water-service perspective, with 130,776 people served by 6 EPA-registered public water systems. It corresponds to CLOVIS.
Within ZIP code 93611, the EPA Safe Drinking Water Information System (SDWIS) records 47 health-based violations during the past five years across 6 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 93611
Water Systems Serving 93611
LAS DELTAS MUTUAL WATER COMPANY
PWSID: CA1000054
375 served
OLD RIVER MUTUAL WATER COMPANY
PWSID: CA1500096
130 served
SOUTH KERN MUTUAL WATER COMPANY
PWSID: CA1500344
32 served
SIERRA VISTA ASSOCIATION
PWSID: CA5400964
43 served
KEELER COMMUNITY SERVICE DISTRICT
PWSID: CA1400036
66 served
CITY OF CLOVIS
PWSID: CA1010003
130,130 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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