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WaterSafety

Norman Utilities Authority

Norman, Oklahoma · PWSID: OK1020801

C
Water Safety Score
70/100
104,868
Population Served
Surface water
Source Type
1
Health Violations
0
Contaminant Exceedances

Detected Contaminants

ContaminantDetected LevelMCL (Limit)StatusSample Date
Atrazine1.5 ppb3 ppbWithin LimitJan 1, 2021

Violation History

Atrazine
Health-BasedJan 1, 2021 - Jun 30, 2021
Resolved
Enforcement: 4006913
Atrazine
Health-BasedJan 1, 2021 - Jun 30, 2021
Resolved
Enforcement: 4006913
Contaminant 5200
MonitoringOct 17, 2024 - Jul 15, 2025
Resolved
Enforcement: 4006916
Contaminant 5200
MonitoringOct 17, 2024 - Jul 15, 2025
Resolved
Enforcement: 4006917

Frequently Asked Questions

Norman Utilities Authority has a Water Safety Score of C (70/100). The system serves 104,868 people and has 1 health violation on record. Check the contaminant table above for specific detected substances.

Norman Utilities Authority has 0 contaminant exceedances above EPA health guidelines. See the full contaminant detection table above for all tested substances and their levels relative to legal limits and health guidelines.

The Water Safety Score (0-100, grades A through F) is based on contaminant levels relative to legal limits, health guideline exceedances, violation history, and enforcement actions. Higher scores indicate fewer concerns.

If your water system has violations, request the Consumer Confidence Report from your utility, consider getting an independent water test from a certified lab, and look into certified water filters for specific contaminants of concern. For lead, run cold water for 30 seconds before drinking.

Sources: EPA SDWIS, EWG Tap Water Database
Last updated:

Water quality data sourced from EPA's Safe Drinking Water Information System (SDWIS). Safety scores are calculated based on contaminant levels, violations, and enforcement history. This is not a substitute for your utility's official Consumer Confidence Report.