Drinking Water Systems in HAWTHORNE, California

6 water systems are reported for this city, with a combined service population of 365,924. The systems have 0 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving HAWTHORNE

GOLDEN STATE WATER COMPANY - LOS OSOS

5,924 served0 historical records
A

GOLDEN STATE WATER COMPANY - EDNA

1,493 served1 historical record
A

GOLDEN STATE WATER COMPANY - TANGLEWOOD

1,947 served0 historical records
A

GOLDEN STATE WATER COMPANY - ORCUTT

34,102 served0 historical records
A

GSWC - SOUTHWEST

277,740 served4 historical records
A

HAWTHORNE-CITY WATER DEPT.

44,718 served2 historical records
A

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)3 records
Thallium1 record
Total Coliform1 record

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