Norman, Oklahoma Water Quality Report
Water quality data for 9 water systems serving 140,025 people.
Water Source
Detected Contaminants
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (2)
4G
Oct 17, 2024
2E
Oct 17, 2024
Resolved Violations (498)
3A
Aug 1, 2025 — Aug 31, 2025
27
Aug 1, 2025 — Aug 31, 2025
3A
Jun 1, 2025 — Jun 30, 2025
3A
Jun 1, 2025 — Jun 30, 2025
3A
Jun 1, 2025 — Jun 30, 2025
+ 493 more resolved violations
Frequently Asked Questions
Is Norman tap water safe to drink?
Norman's water meets all EPA maximum contaminant levels. However, 3 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Norman tap water?
3 contaminants have been detected in Norman's water supply across 9 water systems. See the full contaminant table above for details.
How can I improve my water quality in Norman?
Install a water filter rated for the specific contaminants found in Norman's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Norman have any water quality violations?
Yes, Norman currently has 105 active violations. See the violations section above for details.