Dewey, Oklahoma Water Quality Report
Water quality data for 3 water systems serving 3,878 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBA | 0.011 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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Compliance & Violations
Active Violations (114)
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
58
Jun 10, 2017
57
Dec 7, 2015
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Resolved Violations (356)
71
Jul 1, 2025
71
Jul 1, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
+ 351 more resolved violations
Frequently Asked Questions
Is Dewey tap water safe to drink?
Dewey's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Dewey tap water?
1 contaminants have been detected in Dewey's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Dewey?
Install a water filter rated for the specific contaminants found in Dewey's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Dewey have any water quality violations?
Yes, Dewey currently has 114 active violations. See the violations section above for details.