Copan, Oklahoma Water Quality Report
Water quality data for 1 water system serving 733 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (32)
75
Mar 29, 2025
75
Dec 21, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
75
Sep 5, 2024
71
Jul 1, 2024
71
Jul 1, 2024
75
Jun 3, 2024
75
Mar 10, 2024
75
Nov 18, 2023
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
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
Violation
Unknown
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Unknown
Violation
Unknown
Resolved Violations (376)
35
Jun 30, 2025
35
Jun 30, 2025
35
Jun 30, 2025
35
Jun 30, 2025
43
May 1, 2025 — May 31, 2025
+ 371 more resolved violations
Frequently Asked Questions
Is Copan tap water safe to drink?
Copan'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 Copan tap water?
0 contaminants have been detected in Copan's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Copan?
Install a water filter rated for the specific contaminants found in Copan's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Copan have any water quality violations?
Yes, Copan currently has 32 active violations. See the violations section above for details.