Oakville, Washington Water Quality Report
Water quality data for 3 water systems serving 2,013 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (2)
4B
Jun 1, 2025
Violation
Unknown
Resolved Violations (464)
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
+ 459 more resolved violations
Frequently Asked Questions
Is Oakville tap water safe to drink?
Oakville'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 Oakville tap water?
0 contaminants have been detected in Oakville's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Oakville?
Install a water filter rated for the specific contaminants found in Oakville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Oakville have any water quality violations?
Yes, Oakville currently has 2 active violations. See the violations section above for details.