Lafayette, California Water Quality Report
Water quality data for 1 water system serving 115 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (10)
71
Jul 1, 2025
52
Jul 1, 2025
56
Jan 1, 2025
75
Oct 22, 2023
75
Jun 23, 2023
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (127)
3A
Jun 1, 2025 — Jun 30, 2025
2A
Mar 8, 2025
56
Jan 1, 2025
56
Jan 1, 2025
56
Jan 1, 2025
+ 122 more resolved violations
Frequently Asked Questions
Is Lafayette tap water safe to drink?
Lafayette'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 Lafayette tap water?
0 contaminants have been detected in Lafayette's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Lafayette?
Install a water filter rated for the specific contaminants found in Lafayette's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Lafayette have any water quality violations?
Yes, Lafayette currently has 10 active violations. See the violations section above for details.