Lummi Island, Washington Water Quality Report
Water quality data for 3 water systems serving 529 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (4)
41
Apr 1, 2021
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (347)
71
Jul 1, 2025
36
Jul 1, 2025 — Jul 31, 2025
71
Jul 1, 2024
71
Jul 1, 2023
03
Jan 1, 2022 — Dec 31, 2022
+ 342 more resolved violations
Frequently Asked Questions
Is Lummi Island tap water safe to drink?
Lummi Island'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 Lummi Island tap water?
0 contaminants have been detected in Lummi Island's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Lummi Island?
Install a water filter rated for the specific contaminants found in Lummi Island's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Lummi Island have any water quality violations?
Yes, Lummi Island currently has 4 active violations. See the violations section above for details.