MyCleanWater

Cupertino, California Water Quality Report

Water quality data for 1 water system serving 0 people.

100
Excellent
out of 100

Water Source

1
Water System
0
People Served
Surface water
Water Source

Detected Contaminants

No contaminant data available for this location.

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Compliance & Violations

Resolved Violations (12)

51

Jul 1, 1993 — Dec 1, 1994

moderate

06

Sep 1, 1984 — Sep 30, 1984

minor

06

Aug 1, 1984 — Aug 31, 1984

minor

06

Jul 1, 1984 — Jul 31, 1984

minor

06

Dec 1, 1983 — Dec 31, 1983

minor

+ 7 more resolved violations

Frequently Asked Questions

Is Cupertino tap water safe to drink?

Cupertino'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 Cupertino tap water?

0 contaminants have been detected in Cupertino's water supply across 1 water system. See the full contaminant table above for details.

How can I improve my water quality in Cupertino?

Install a water filter rated for the specific contaminants found in Cupertino's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.