Hayward, California Water Quality Report
Water quality data for 3 water systems serving 163,180 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (10)
51
Jul 1, 2019
51
Jan 1, 2019
51
Jul 1, 2018
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (15)
23
Oct 1, 1998 — Oct 31, 1998
23
Sep 1, 1998 — Sep 30, 1998
23
Aug 1, 1998 — Aug 31, 1998
23
Jul 1, 1998 — Jul 31, 1998
23
Jul 1, 1998 — Jul 31, 1998
+ 10 more resolved violations
Frequently Asked Questions
Is Hayward tap water safe to drink?
Hayward's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Hayward tap water?
0 contaminants have been detected in Hayward's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Hayward?
Install a water filter rated for the specific contaminants found in Hayward's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Hayward have any water quality violations?
Yes, Hayward currently has 10 active violations. See the violations section above for details.