Drinking Water Systems in THREE RIVERS, California

12 water systems are reported for this city, with a combined service population of 10,513. The systems have 10 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving THREE RIVERS

IMPROVEMENT DISTRICT NO. 1

200 served28 historical records
A

NORTH KAWEAH MUTUAL WATER COMPANY

560 served27 historical records
A

SIERRA KING HOMEOWNERS ASSN

260 served7 historical records
A

NPS-GRANT GROVE

2,950 served0 historical records
A

NPS-WOLVERTON

2,940 served64 historical records10 recent
F

NPS-ASH MOUNTAIN

2,930 served0 historical records
A

VILLAGE APARTMENTS

33 served5 historical records
A

DEER MEADOW MUTUAL WATER COMPANY

70 served1 historical record
A

EAST THREE RIVERS MUTUAL WATER CORP

40 served0 historical records
A

SOUTH KAWEAH MUTUAL WATER COMPANY

384 served6 historical records
A

RIVER RETREAT MUTUAL WATER COMPANY

40 served1 historical record
A

SOUTH FORK ESTATES MUTUAL WATER CO

106 served1 historical record
A

EPA Contaminant Categories in Historical Violation Records

Haloacetic Acids (HAA5)38 records
Total Trihalomethanes (TTHMs)21 records
Gross Alpha10 records
Nitrate1 record
Surface Water Treatment Rule1 record
Lead and Copper Rule1 record
Consumer Confidence Rule1 record
Revised Total Coliform Rule1 record
LEAD AND COPPER RULE REVISIONS1 record

Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.