Holly, Colorado Water Quality Report
Water quality data for 3 water systems serving 1,226 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (3)
66
Jan 1, 2025
66
Jan 1, 2025
76
Sep 7, 2024
Resolved Violations (497)
02
Oct 1, 2025 — Dec 31, 2025
02
Oct 1, 2025 — Dec 31, 2025
02
Oct 1, 2025 — Dec 31, 2025
03
Jul 1, 2025 — Sep 30, 2025
71
Jul 1, 2025
+ 492 more resolved violations
Frequently Asked Questions
Is Holly tap water safe to drink?
Holly'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 Holly tap water?
0 contaminants have been detected in Holly's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Holly?
Install a water filter rated for the specific contaminants found in Holly's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Holly have any water quality violations?
Yes, Holly currently has 20 active violations. See the violations section above for details.