Hanna, Oklahoma Water Quality Report
Water quality data for 2 water systems serving 308 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (55)
34
Aug 20, 2025
34
Apr 3, 2025
34
Apr 3, 2025
4G
Oct 17, 2024
2E
Oct 17, 2024
52
Oct 1, 2023
52
Oct 1, 2023
52
Oct 1, 2023
34
Sep 5, 2023
34
Sep 5, 2023
34
Sep 5, 2023
34
Nov 1, 2022
34
Nov 1, 2022
34
Nov 1, 2022
34
Apr 21, 2022
34
Apr 21, 2022
34
Apr 21, 2022
52
Oct 1, 2017
52
Oct 1, 2017
52
Oct 1, 2017
Violation
Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
Resolved Violations (242)
27
Aug 1, 2025 — Aug 31, 2025
27
Feb 1, 2025 — Feb 28, 2025
27
Feb 1, 2025 — Feb 28, 2025
2E
Oct 17, 2024
2E
Oct 17, 2024
+ 237 more resolved violations
Frequently Asked Questions
Is Hanna tap water safe to drink?
Hanna'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 Hanna tap water?
0 contaminants have been detected in Hanna's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Hanna?
Install a water filter rated for the specific contaminants found in Hanna's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Hanna have any water quality violations?
Yes, Hanna currently has 55 active violations. See the violations section above for details.