Broken Arrow Municipal Authority
Broken Arrow, Oklahoma · PWSID: OK1021508
Broken Arrow Water Quality Summary
Broken Arrow Municipal Authority supplies drinking water to about 116,330 people in Broken Arrow, Oklahoma, and draws from surface water (rivers, lakes, or reservoirs), which requires fuller treatment for runoff, sediment, and microbial risk. On the IsWaterSafe scale it earns a good Water Safety Score of 82 out of 100 (Grade B), a composite of its EPA SDWIS violation and contaminant record.
EPA SDWIS shows no health-based or monitoring violations on record for Broken Arrow Municipal Authority, though 6 enforcement actions are logged in its history.
Across the single substance sampled, none exceeded its EPA limit. Benzene sits highest relative to its ceiling, detected at 2.5 ppb against an MCL of 5 ppb (sampled October 2022) — within the legal limit.
The most pressing open issue is a health-based violation involving Benzene, beginning October 2022 and still open in EPA records.
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Detected Contaminants
| Contaminant | Detected Level | MCL (Limit) | Status | Sample Date |
|---|---|---|---|---|
| Benzene | 2.5 ppb | 5 ppb | Within Limit | Oct 1, 2022 |
Violation History
Frequently Asked Questions
Broken Arrow Municipal Authority has a Water Safety Score of B (82/100). The system serves 116,330 people and has 0 health violations on record. Check the contaminant table above for specific detected substances.
Broken Arrow Municipal 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.
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.
Source: EPA Ground Water and Drinking Water, 2026.