Muskego, Wisconsin Water Quality Report
Water quality data for 6 water systems serving 10,015 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 12.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 120% | Above guideline |
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Compliance & Violations
Active Violations (4)
71
Jul 1, 2025
72
Jul 1, 2025
75
Oct 17, 2024
75
Jul 1, 2023
Resolved Violations (496)
4H
Jul 2, 2025
66
Jan 1, 2025
66
Jan 1, 2025
2E
Oct 17, 2024
72
Jul 1, 2024
+ 491 more resolved violations
Frequently Asked Questions
Is Muskego tap water safe to drink?
Muskego'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 Muskego tap water?
1 contaminants have been detected in Muskego's water supply across 6 water systems. See the full contaminant table above for details.
How can I improve my water quality in Muskego?
Install a water filter rated for the specific contaminants found in Muskego's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Muskego have any water quality violations?
Yes, Muskego currently has 15 active violations. See the violations section above for details.