West Linn, Oregon Water Quality Report
Water quality data for 5 water systems serving 28,525 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (15)
71
Jul 1, 2025
71
Jul 1, 2025
34
Jul 1, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (441)
3A
Jan 1, 2025 — Jan 31, 2025
3A
Jan 1, 2025 — Jan 31, 2025
72
Oct 1, 2024
3A
Sep 1, 2024 — Sep 30, 2024
3A
Sep 1, 2024 — Sep 30, 2024
+ 436 more resolved violations
Frequently Asked Questions
Is West Linn tap water safe to drink?
West Linn'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 West Linn tap water?
0 contaminants have been detected in West Linn's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in West Linn?
Install a water filter rated for the specific contaminants found in West Linn's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does West Linn have any water quality violations?
Yes, West Linn currently has 15 active violations. See the violations section above for details.