MyCleanWater

Norman, Oklahoma Water Quality Report

Water quality data for 9 water systems serving 140,025 people.

75
Good
out of 100

Water Source

9
Water Systems
140K
People Served
Surface water, Ground water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
lithium17.7 No federal limit10.0 ug/L(EPA/USGS HBSL)
177%
Above guideline
PFBA0.007 No federal limit1000.0 ug/L(EWG)
0%
Below guideline
PFBS0.003 No federal limit2000.0 ug/L(EPA Health Advisory)
0%
Below guideline

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

minor

2E

Oct 17, 2024

critical

Resolved Violations (498)

3A

Aug 1, 2025 — Aug 31, 2025

minor

27

Aug 1, 2025 — Aug 31, 2025

moderate

3A

Jun 1, 2025 — Jun 30, 2025

minor

3A

Jun 1, 2025 — Jun 30, 2025

minor

3A

Jun 1, 2025 — Jun 30, 2025

minor

+ 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.