Columbia, California Water Quality Report
Water quality data for 1 water system serving 115 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (1)
Violation
Unknown
Resolved Violations (7)
3D
Apr 1, 2025 — Apr 30, 2025
3D
Apr 1, 2025 — Apr 30, 2025
51
Jul 1, 1993 — Dec 31, 2003
06
Jul 1, 1983 — Jul 31, 1983
06
Oct 1, 1982 — Oct 31, 1982
+ 2 more resolved violations
Frequently Asked Questions
Is Columbia tap water safe to drink?
Columbia'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 Columbia tap water?
0 contaminants have been detected in Columbia's water supply across 1 water system. 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 1 active violation. See the violations section above for details.