Tonkawa, Oklahoma Water Quality Report
Water quality data for 1 water system serving 3,299 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (22)
34
Aug 14, 2025
34
Aug 14, 2025
34
Jan 19, 2017
34
Jan 19, 2017
34
Jan 19, 2017
34
Jan 19, 2017
34
Sep 17, 2015
34
Sep 17, 2015
34
Sep 17, 2015
34
Sep 17, 2015
34
Sep 18, 2014
34
Sep 18, 2014
34
Sep 18, 2014
34
Sep 18, 2014
34
Aug 21, 2014
34
Aug 21, 2014
34
Aug 21, 2014
34
Aug 21, 2014
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (93)
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
27
Oct 1, 2022 — Sep 30, 2023
+ 88 more resolved violations
Frequently Asked Questions
Is Tonkawa tap water safe to drink?
Tonkawa'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 Tonkawa tap water?
0 contaminants have been detected in Tonkawa's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Tonkawa?
Install a water filter rated for the specific contaminants found in Tonkawa's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Tonkawa have any water quality violations?
Yes, Tonkawa currently has 22 active violations. See the violations section above for details.