Columbia, Missouri Water Quality Report
Water quality data for 7 water systems serving 206,529 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 68.8 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 688% | Above guideline |
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Compliance & Violations
Active Violations (32)
4B
Aug 1, 2025
4B
Aug 1, 2025
66
Oct 1, 2024
20
Jun 22, 2020
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Resolved Violations (250)
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
4B
Sep 1, 2024
4B
Sep 1, 2024
+ 245 more resolved violations
Frequently Asked Questions
Is Columbia tap water safe to drink?
Columbia'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 Columbia tap water?
1 contaminants have been detected in Columbia's water supply across 7 water systems. See the full contaminant table above for details.
How can I improve my water quality in Columbia?
Install a water filter rated for the specific contaminants found in Columbia's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Columbia have any water quality violations?
Yes, Columbia currently has 32 active violations. See the violations section above for details.