Fremont, CA water quality
Fremont, CA is served by 1 public water system, serving 344,000 people combined. Across those systems, we count 0 health-based violations in the last 5 years. The worst Tap Grade among them is A.
Water systems serving Fremont
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Is Fremont, CA tap water safe to drink?
1 public water system serve Fremont, CA, with 0 health-based violations in the last 5 years across them. The worst Tap Grade among them is A.
Does Fremont'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 Fremont's water?
These systems were tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.
Other cities in California
See all of California →Source: EPA SDWIS/ECHO · Data as of 2026Q2