Palo Alto, California Water Quality Report
Water quality data for 2 water systems serving 70,020 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (4)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (26)
2A
Apr 1, 2018
2A
Apr 1, 2018
24
Nov 1, 2015 — Nov 30, 2015
24
Nov 1, 2015 — Nov 30, 2015
41
Mar 1, 2015 — Mar 31, 2015
+ 21 more resolved violations
Frequently Asked Questions
Is Palo Alto tap water safe to drink?
Palo Alto'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 Palo Alto tap water?
0 contaminants have been detected in Palo Alto's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Palo Alto?
Install a water filter rated for the specific contaminants found in Palo Alto's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Palo Alto have any water quality violations?
Yes, Palo Alto currently has 4 active violations. See the violations section above for details.