Miles City, Montana Water Quality Report
Water quality data for 5 water systems serving 10,388 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 46.4 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 464% | Above guideline |
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Compliance & Violations
Resolved Violations (500)
36
Aug 1, 2025 — Aug 31, 2025
36
Aug 1, 2025 — Aug 31, 2025
36
Jul 1, 2025 — Jul 31, 2025
36
Jul 1, 2025 — Jul 31, 2025
66
Dec 30, 2024
+ 495 more resolved violations
Frequently Asked Questions
Is Miles City tap water safe to drink?
Miles City'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 Miles City tap water?
1 contaminants have been detected in Miles City's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Miles City?
Install a water filter rated for the specific contaminants found in Miles City's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Miles City have any water quality violations?
Yes, Miles City currently has 5 active violations. See the violations section above for details.