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ZIP Code 93271 Water Quality
California · 10,513 people served · 12 water systems
F
FailingZIP code 93271 is in California and is a small city from a drinking-water-service perspective, with 10,513 people served by 12 EPA-registered public water systems. It corresponds to THREE RIVERS.
Within ZIP code 93271, the EPA Safe Drinking Water Information System (SDWIS) records 29 health-based violations during the past five years across 12 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 93271
Water Systems Serving 93271
IMPROVEMENT DISTRICT NO. 1
PWSID: CA5400968
200 served
NORTH KAWEAH MUTUAL WATER COMPANY
PWSID: CA5400506
560 served
VILLAGE APARTMENTS
PWSID: CA5400875
33 served
SIERRA KING HOMEOWNERS ASSN
PWSID: CA5400940
260 served
NPS-GRANT GROVE
PWSID: CA1010501
2,950 served
NPS-WOLVERTON
PWSID: CA5410503
2,940 served
NPS-ASH MOUNTAIN
PWSID: CA5410513
2,930 served
RIVER RETREAT MUTUAL WATER COMPANY
PWSID: CA5400556
40 served
SOUTH KAWEAH MUTUAL WATER COMPANY
PWSID: CA5400754
384 served
EAST THREE RIVERS MUTUAL WATER CORP
PWSID: CA5400744
40 served
SOUTH FORK ESTATES MUTUAL WATER CO
PWSID: CA5403113
106 served
DEER MEADOW MUTUAL WATER COMPANY
PWSID: CA5401026
70 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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