Lafayette, Colorado Water Quality Report
Water quality data for 9 water systems serving 32,346 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (12)
5A
Oct 23, 2025
5A
Oct 23, 2025
76
Oct 1, 2025
66
Oct 1, 2025
66
Oct 1, 2025
71
Jul 1, 2025
76
Jul 1, 2025
71
Jul 1, 2025
75
May 17, 2025
76
Mar 31, 2025
76
Dec 31, 2024
76
Oct 1, 2024
Resolved Violations (488)
27
Jul 1, 2025 — Sep 30, 2025
27
Jul 1, 2025 — Sep 30, 2025
27
Jul 1, 2025 — Sep 30, 2025
27
Jul 1, 2025 — Sep 30, 2025
27
Jul 1, 2025 — Sep 30, 2025
+ 483 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 9 water systems. 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 31 active violations. See the violations section above for details.