Winona, Minnesota Water Quality Report
Water quality data for 3 water systems serving 32,026 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 50.1 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 501% | Above guideline |
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Compliance & Violations
Resolved Violations (144)
3A
Oct 1, 2021 — Dec 31, 2021
3A
Oct 1, 2021 — Dec 31, 2021
3A
Oct 1, 2021 — Dec 31, 2021
02
Jul 1, 2021 — Sep 30, 2021
02
Jul 1, 2021 — Sep 30, 2021
+ 139 more resolved violations
Frequently Asked Questions
Is Winona tap water safe to drink?
Winona'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 Winona tap water?
1 contaminants have been detected in Winona's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Winona?
Install a water filter rated for the specific contaminants found in Winona's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.