Tap water in Hawthorne, CA — ZIP 90304
2 public water systems serving about 323,779 people.
A
Excellent
Water systems serving 90304
Gswc - Southwest
PWSID CA1910155 · serves 277,740 ·
surface water
0 health-based / 0 total violations (5 yrs)
Hawthorne-City Water Dept.
PWSID CA1910047 · serves 46,039 ·
surface water
0 health-based / 0 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology