Mount Vernon, Oregon Water Quality Report
Water quality data for 1 water system serving 510 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Mount Vernon, Oregon.
Get Water Quality Alerts
Be the first to know when water quality changes in Mount Vernon.
Compliance & Violations
Active Violations (7)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (98)
71
Jul 1, 2025
75
Dec 24, 2015
22
Oct 1, 2015 — Oct 31, 2015
22
Oct 1, 2015 — Oct 31, 2015
22
Oct 1, 2015 — Oct 31, 2015
+ 93 more resolved violations
Frequently Asked Questions
Is Mount Vernon tap water safe to drink?
Mount Vernon'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 Mount Vernon tap water?
0 contaminants have been detected in Mount Vernon's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Mount Vernon?
Install a water filter rated for the specific contaminants found in Mount Vernon's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Mount Vernon have any water quality violations?
Yes, Mount Vernon currently has 7 active violations. See the violations section above for details.