Los Altos Hills, California Water Quality Report
Water quality data for 1 water system serving 6,245 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (3)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (14)
52
Jan 1, 2020
52
Jan 1, 2020
22
Nov 1, 1999 — Nov 30, 1999
22
Nov 1, 1999 — Nov 30, 1999
22
Nov 1, 1999 — Nov 30, 1999
+ 9 more resolved violations
Frequently Asked Questions
Is Los Altos Hills tap water safe to drink?
Los Altos 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 Los Altos Hills tap water?
0 contaminants have been detected in Los Altos Hills's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Los Altos Hills?
Install a water filter rated for the specific contaminants found in Los Altos 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 Los Altos Hills have any water quality violations?
Yes, Los Altos Hills currently has 3 active violations. See the violations section above for details.