Rock Springs, Wyoming Water Quality Report
Water quality data for 13 water systems serving 31,655 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 16.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 160% | Above guideline |
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Compliance & Violations
Active Violations (21)
71
Jul 1, 2025
66
Dec 30, 2024
52
Oct 1, 2024
72
Oct 1, 2023
72
Oct 1, 2023
72
Oct 1, 2020
71
Jul 1, 2013
71
Jul 1, 2013
72
Oct 1, 2007
72
Oct 1, 2007
71
Jul 1, 2004
71
Jul 1, 2004
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (333)
27
Jan 1, 2025 — Dec 31, 2025
27
Jan 1, 2025 — Dec 31, 2025
4G
Oct 17, 2024
2E
Oct 17, 2024
71
Jul 1, 2024
+ 328 more resolved violations
Frequently Asked Questions
Is Rock Springs tap water safe to drink?
Rock Springs'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 Rock Springs tap water?
1 contaminants have been detected in Rock Springs's water supply across 13 water systems. See the full contaminant table above for details.
How can I improve my water quality in Rock Springs?
Install a water filter rated for the specific contaminants found in Rock Springs's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Rock Springs have any water quality violations?
Yes, Rock Springs currently has 21 active violations. See the violations section above for details.