Tap water in Santa Rosa, CA — ZIP 95403
2 public water systems serving about 186,363 people.
A
Excellent
Water systems serving 95403
Santa Rosa, City Of
PWSID CA4910009 · serves 178,452 ·
groundwater
0 health-based / 0 total violations (5 yrs)
California-American Larkfield (Puc)
PWSID CA4910023 · serves 7,911 ·
groundwater
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