Drinking Water Systems in ANGWIN, California

5 water systems are reported for this city, with a combined service population of 3,390. The systems have 3 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving ANGWIN

HOWELL MOUNTAIN MUTUAL WATER COMPANY

1,240 served27 historical records
A

LA TIERRA HEIGHTS MUTUAL

67 served11 historical records3 recent
C

PACIFIC UNION COLLEGE

1,958 served1 historical record
A

LINDA FALLS TERRACE MUTUAL

35 served4 historical records
A

LINDA VISTA MUTUAL WATER CO

90 served3 historical records
A

EPA Contaminant Categories in Historical Violation Records

Haloacetic Acids (HAA5)14 records
Total Trihalomethanes (TTHMs)9 records
Coliform (TCR)6 records
Gross Alpha6 records
Lead and Copper Rule3 records
Surface Water Treatment Rule2 records
LEAD AND COPPER RULE REVISIONS2 records
Nitrate1 record
Revised Total Coliform Rule1 record

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