Eldorado Hills, California Water Quality Report
Water quality data for 2 water systems serving 800 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (7)
4H
Jul 2, 2025
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (35)
52
Oct 1, 2023
52
Oct 1, 2023
42
May 24, 2018
42
May 24, 2018
52
Jan 1, 2018
+ 30 more resolved violations
Frequently Asked Questions
Is Eldorado Hills tap water safe to drink?
Eldorado Hills'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 Eldorado Hills tap water?
0 contaminants have been detected in Eldorado Hills's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Eldorado Hills?
Install a water filter rated for the specific contaminants found in Eldorado Hills's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Eldorado Hills have any water quality violations?
Yes, Eldorado Hills currently has 7 active violations. See the violations section above for details.