Longmont, Colorado Water Quality Report
Water quality data for 3 water systems serving 106,066 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (1)
Violation
Unknown
Resolved Violations (91)
27
Jul 1, 2022 — Sep 30, 2022
27
Jul 1, 2022 — Sep 30, 2022
27
Jul 1, 2022 — Sep 30, 2022
27
Jul 1, 2022 — Sep 30, 2022
27
Jul 1, 2022 — Sep 30, 2022
+ 86 more resolved violations
Frequently Asked Questions
Is Longmont tap water safe to drink?
Longmont'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 Longmont tap water?
0 contaminants have been detected in Longmont's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Longmont?
Install a water filter rated for the specific contaminants found in Longmont's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Longmont have any water quality violations?
Yes, Longmont currently has 1 active violation. See the violations section above for details.