Leavenworth, Washington Water Quality Report
Water quality data for 5 water systems serving 10,855 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (6)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (171)
71
Jul 1, 2025
71
Jul 1, 2025
03
Jan 1, 2024 — Dec 31, 2024
3A
Dec 1, 2023 — Dec 31, 2023
3A
Nov 1, 2023 — Nov 30, 2023
+ 166 more resolved violations
Frequently Asked Questions
Is Leavenworth tap water safe to drink?
Leavenworth'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 Leavenworth tap water?
0 contaminants have been detected in Leavenworth's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Leavenworth?
Install a water filter rated for the specific contaminants found in Leavenworth's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Leavenworth have any water quality violations?
Yes, Leavenworth currently has 6 active violations. See the violations section above for details.