Delaware, Oklahoma Water Quality Report
Water quality data for 1 water system serving 456 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (43)
52
Jul 1, 2025
52
Jul 1, 2025
52
Jan 1, 2025
52
Jan 1, 2025
52
Jan 1, 2025
75
Aug 30, 2024
75
Aug 30, 2024
75
Jul 21, 2024
52
Jul 1, 2024
52
Jul 1, 2024
52
Jul 1, 2024
52
Jul 1, 2024
75
Jun 21, 2024
75
May 24, 2024
75
Apr 26, 2024
75
Apr 4, 2024
75
Mar 14, 2024
75
Feb 2, 2024
75
Jan 7, 2024
52
Jan 1, 2024
52
Jan 1, 2024
52
Jan 1, 2024
52
Jan 1, 2024
75
Dec 3, 2023
75
Dec 3, 2023
75
Oct 20, 2023
75
Sep 29, 2023
75
Aug 31, 2023
52
Jul 1, 2023
52
Jul 1, 2023
52
Jul 1, 2023
52
Jul 1, 2023
52
Oct 1, 2022
52
Oct 1, 2022
52
Oct 1, 2022
52
Oct 1, 2022
52
Oct 1, 2022
75
Nov 17, 2021
75
Sep 29, 2021
75
Sep 29, 2021
75
Jun 28, 2021
75
Jun 28, 2021
75
Jun 28, 2021
Resolved Violations (457)
38
May 1, 2025 — May 31, 2025
38
May 1, 2025 — May 31, 2025
46
Apr 1, 2025 — Jun 30, 2025
46
Apr 1, 2025 — Jun 30, 2025
38
Apr 1, 2025 — Apr 30, 2025
+ 452 more resolved violations
Frequently Asked Questions
Is Delaware tap water safe to drink?
Delaware'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 Delaware tap water?
0 contaminants have been detected in Delaware's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Delaware?
Install a water filter rated for the specific contaminants found in Delaware's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Delaware have any water quality violations?
Yes, Delaware currently has 66 active violations. See the violations section above for details.