Tap water in Vista, CA — ZIP 92078
2 public water systems serving about 249,201 people.
A
Excellent
Water systems serving 92078
Vista Irrigation District
PWSID CA3710027 · serves 134,501 ·
surface water
0 health-based / 0 total violations (5 yrs)
Vallecitos Wd
PWSID CA3710002 · serves 114,700 ·
surface water
0 health-based / 1 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