Greeley, Colorado Water Quality Report
Water quality data for 9 water systems serving 141,063 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 25.7 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 257% | Above guideline |
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Compliance & Violations
Active Violations (1)
76
Aug 10, 2025
Resolved Violations (499)
27
Jul 1, 2025 — Jul 31, 2025
27
Jul 1, 2025 — Jul 31, 2025
71
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2025
+ 494 more resolved violations
Frequently Asked Questions
Is Greeley tap water safe to drink?
Greeley's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Greeley tap water?
1 contaminants have been detected in Greeley's water supply across 9 water systems. See the full contaminant table above for details.
How can I improve my water quality in Greeley?
Install a water filter rated for the specific contaminants found in Greeley's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Greeley have any water quality violations?
Yes, Greeley currently has 13 active violations. See the violations section above for details.