Corvallis, Oregon Water Quality Report
Water quality data for 12 water systems serving 63,100 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (4)
71
Jul 1, 2025
71
Jul 1, 2025
75
Apr 10, 2025
2E
Oct 17, 2024
Resolved Violations (496)
3A
Aug 1, 2025 — Aug 31, 2025
71
Jul 1, 2025
1A
Mar 1, 2025 — Mar 31, 2025
1A
Mar 1, 2025 — Mar 31, 2025
1A
Mar 1, 2025 — Mar 31, 2025
+ 491 more resolved violations
Frequently Asked Questions
Is Corvallis tap water safe to drink?
Corvallis'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 Corvallis tap water?
0 contaminants have been detected in Corvallis's water supply across 12 water systems. See the full contaminant table above for details.
How can I improve my water quality in Corvallis?
Install a water filter rated for the specific contaminants found in Corvallis's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Corvallis have any water quality violations?
Yes, Corvallis currently has 63 active violations. See the violations section above for details.