Chula Vista, CA water quality
Chula Vista, CA is served by 2 public water systems, serving 192,282 people combined. Across those systems, we count 0 health-based violations in the last 5 years. The worst Tap Grade among them is B.
Water systems serving Chula Vista
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Is Chula Vista, CA tap water safe to drink?
2 public water systems serve Chula Vista, CA, with 0 health-based violations in the last 5 years across them. The worst Tap Grade among them is B.
Does Chula Vista's water have lead in it?
The most recent 90th-percentile lead sample is 0 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in Chula Vista's water?
Yes — at least one water system serving Chula Vista has detected PFAS under UCMR5.
Other cities in California
See all of California →Source: EPA SDWIS/ECHO · Data as of 2026Q2