Custer, Washington Water Quality Report
Water quality data for 4 water systems serving 1,271 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (11)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
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Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
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Unknown
Resolved Violations (230)
71
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2024
71
Jul 1, 2023
03
Jan 1, 2023 — Dec 31, 2023
+ 225 more resolved violations
Frequently Asked Questions
Is Custer tap water safe to drink?
Custer'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 Custer tap water?
0 contaminants have been detected in Custer's water supply across 4 water systems. See the full contaminant table above for details.
How can I improve my water quality in Custer?
Install a water filter rated for the specific contaminants found in Custer's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Custer have any water quality violations?
Yes, Custer currently has 11 active violations. See the violations section above for details.