Yamhill, Oregon Water Quality Report
Water quality data for 8 water systems serving 1,867 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (16)
71
Jul 1, 2025
71
Jul 1, 2025
72
Oct 1, 2024
71
Jul 1, 2024
52
Oct 1, 2023
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (410)
71
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2025
3A
Oct 1, 2024 — Oct 31, 2024
72
Oct 1, 2024
+ 405 more resolved violations
Frequently Asked Questions
Is Yamhill tap water safe to drink?
Yamhill'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 Yamhill tap water?
0 contaminants have been detected in Yamhill's water supply across 8 water systems. See the full contaminant table above for details.
How can I improve my water quality in Yamhill?
Install a water filter rated for the specific contaminants found in Yamhill's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Yamhill have any water quality violations?
Yes, Yamhill currently has 16 active violations. See the violations section above for details.