Cotati, California Water Quality Report
Water quality data for 3 water systems serving 7,379 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 41.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 410% | Above guideline |
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Compliance & Violations
Active Violations (4)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (28)
21
May 1, 2015 — May 31, 2015
21
May 1, 2015 — May 31, 2015
22
Feb 1, 2015 — Feb 28, 2015
22
Feb 1, 2015 — Feb 28, 2015
21
Oct 1, 2014 — Oct 31, 2014
+ 23 more resolved violations
Frequently Asked Questions
Is Cotati tap water safe to drink?
Cotati'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 Cotati tap water?
1 contaminants have been detected in Cotati's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Cotati?
Install a water filter rated for the specific contaminants found in Cotati's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Cotati have any water quality violations?
Yes, Cotati currently has 4 active violations. See the violations section above for details.