Des Moines, Iowa Water Quality Report
Water quality data for 7 water systems serving 254,900 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 28.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 280% | Above guideline |
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Compliance & Violations
Active Violations (15)
66
Jan 1, 2025
66
Jan 1, 2025
Violation
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
Violation
Unknown
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Unknown
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Unknown
Violation
Unknown
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Unknown
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Unknown
Violation
Unknown
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Unknown
Resolved Violations (485)
27
Aug 1, 2025 — Aug 31, 2025
27
Aug 1, 2025 — Aug 31, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
+ 480 more resolved violations
Frequently Asked Questions
Is Des Moines tap water safe to drink?
Des Moines'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 Des Moines tap water?
1 contaminants have been detected in Des Moines's water supply across 7 water systems. See the full contaminant table above for details.
How can I improve my water quality in Des Moines?
Install a water filter rated for the specific contaminants found in Des Moines's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Des Moines have any water quality violations?
Yes, Des Moines currently has 70 active violations. See the violations section above for details.