Willow Creek, California Water Quality Report
Water quality data for 1 water system serving 1,298 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (3)
4H
Jul 2, 2025
4G
Oct 17, 2024
2E
Oct 17, 2024
Resolved Violations (4)
2A
Jun 18, 2019
2A
Jun 18, 2019
41
Jun 1, 1993 — Jun 30, 1993
41
Jun 1, 1993 — Jun 30, 1993
Frequently Asked Questions
Is Willow Creek tap water safe to drink?
Willow Creek'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 Willow Creek tap water?
0 contaminants have been detected in Willow Creek's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Willow Creek?
Install a water filter rated for the specific contaminants found in Willow Creek's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Willow Creek have any water quality violations?
Yes, Willow Creek currently has 3 active violations. See the violations section above for details.