Colwich, Kansas Water Quality Report
Water quality data for 2 water systems serving 1,463 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (29)
4H
Jul 2, 2025
4G
Oct 17, 2024
4G
Oct 17, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (43)
66
Jan 1, 2025
66
Jan 1, 2025
66
Oct 31, 2021
66
Oct 31, 2021
3A
Jul 1, 2019 — Jul 31, 2019
+ 38 more resolved violations
Frequently Asked Questions
Is Colwich tap water safe to drink?
Colwich's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Colwich tap water?
0 contaminants have been detected in Colwich's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Colwich?
Install a water filter rated for the specific contaminants found in Colwich's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Colwich have any water quality violations?
Yes, Colwich currently has 29 active violations. See the violations section above for details.