City of Colusa, California Water Quality Report
Water quality data for 2 water systems serving 496 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in City of Colusa, California.
Get Water Quality Alerts
Be the first to know when water quality changes in City of Colusa.
Compliance & Violations
Active Violations (4)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (21)
3A
Nov 1, 2022 — Nov 30, 2022
3A
Nov 1, 2022 — Nov 30, 2022
36
Dec 1, 2021 — Dec 31, 2021
36
Dec 1, 2021 — Dec 31, 2021
3B
Jul 1, 2021 — Jul 31, 2021
+ 16 more resolved violations
Frequently Asked Questions
Is City of Colusa tap water safe to drink?
City of Colusa'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 City of Colusa tap water?
0 contaminants have been detected in City of Colusa's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in City of Colusa?
Install a water filter rated for the specific contaminants found in City of Colusa's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does City of Colusa have any water quality violations?
Yes, City of Colusa currently has 4 active violations. See the violations section above for details.