💧 ZIP Water Report

Tap water in Hawthorne, CA — ZIP 90030

1 public water system serving about 277,740 people.

A
Excellent

Water systems serving 90030

Gswc - Southwest
PWSID CA1910155 · serves 277,740 · surface water
0 health-based / 0 total violations (5 yrs)
A

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology