Water Quality in Broken Arrow, OK: 88 Violations — Grade C
Grade C · Score 65/100 · 2 water systems · Updated 2026-05-03
Broken Arrow's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
EPA files for Broken Arrow, OK document 88 water violations — a record that encompasses health-based exceedances, monitoring and reporting failures, and any other compliance events registered for local public water systems across all available federal compliance records for this area.
Water Quality by ZIP Code in Broken Arrow
Water quality varies across Broken Arrow's 4 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 74014 | C | 60 | 22 | 17 | View report → |
| 74011 | C | 65 | 22 | 17 | View report → |
| 74012 | C | 65 | 22 | 17 | View report → |
| 74013 | B | 70 | 22 | 17 | View report → |
Violation Trend
EPA violations recorded for water systems serving Broken Arrow.
Water Quality Overview
Broken Arrow, Oklahoma receives a water quality grade of C with an overall score of 65 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 2 water systems serving Broken Arrow have accumulated 88 EPA violations, including 68 health-based violations. These violations are tracked across 4 ZIP codes serving approximately 142,122 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Broken Arrow's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
The average 90th percentile lead level across Broken Arrow water systems is 0.0020 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
Water Systems Serving Broken Arrow
Broken Arrow is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 142,122 people across 4 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 40 enforcement actions against water systems serving Broken Arrow. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Broken Arrow
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in Broken Arrow Water Systems
The following contaminants have been detected or caused violations across Broken Arrow's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 0.06 mg/L | 32 | 4 | Yes |
| E. coli | Microbiological | N/A | 8 | 4 | Yes |
| Benzene | Organic | 0.005 mg/L | 4 | 4 | No |
| Fecal Coliform | Microbiological | N/A | 4 | 4 | Yes |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving Broken Arrow:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2022 | 12 | 12 |
| 2023 | 8 | 8 |
| 2024 | 12 | 12 |
| 2025 | 28 | 28 |
Violations have increased from 12 in 2022 to 28 in 2025. This trend warrants monitoring.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Broken Arrow. Recent actions:
| Date | Action Type |
|---|---|
| 2025-09-30 | State Informal Action |
| 2025-09-04 | State Informal Enforcement |
| 2025-09-04 | State Filed Suit |
| 2025-07-01 | State Informal Action |
| 2025-05-08 | State Informal Enforcement |
| 2025-05-08 | State Filed Suit |
| 2025-04-30 | State Informal Action |
| 2025-04-23 | State Filed Suit |
| 2025-04-15 | State Order Extension |
| 2025-03-31 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-09-30.
Broken Arrow vs. Nearby Oklahoma Cities
How Broken Arrow's water quality compares to similar cities in Oklahoma:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Broken Arrow | C | 88 | 2 | 142,122 |
| Norman | B | 192 | 5 | 139,486 |
| Lawton | B | 40 | 5 | 98,959 |
| Edmond | A | 30 | 5 | 88,164 |
Recommended Water Filters for Broken Arrow
Based on contaminants detected in Broken Arrow's water supply, these filter types are recommended:
Granular Activated Carbon (GAC, whole-house POE)
- Removes: Trihalomethane (TTHM)
- Effectiveness: 80-99%
- Cost range: $400–$2000
- Certification: NSF/ANSI 53
- Recommended products:
Granular Activated Carbon (GAC, under-sink or whole-house)
- Removes: Haloacetic Acid HAA5
- Effectiveness: 60-80%
- Cost range: $100–$600
- Certification: NSF/ANSI 53
- Recommended products:
Water Quality by ZIP Code in Broken Arrow
Water quality varies across Broken Arrow's ZIP codes. The table below shows the worst-scoring and best-scoring areas:
| ZIP Code | Score | Grade | Violations | Health-Based |
|---|---|---|---|---|
| 74014 | 60 | C | 22 | 17 |
| 74011 | 65 | C | 22 | 17 |
| 74012 | 65 | C | 22 | 17 |
| 74013 | 70 | B | 22 | 17 |
Common Questions About Broken Arrow Water
These are the most common questions residents search for about water quality in Broken Arrow, Oklahoma:
Is Broken Arrow water hard or soft? Water hardness varies by source. Broken Arrow's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Broken Arrow tap water? Broken Arrow's water receives a grade of C (65/100). There are 68 health-based violations — consider filtration.
What is the best water filter for Broken Arrow? Based on detected contaminants, a granular activated carbon (gac, whole-house poe) filter is most recommended. See our Water Filter Matcher for personalized recommendations.
Broken Arrow vs. Oklahoma Average
Understanding how Broken Arrow compares to the broader Oklahoma average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Broken Arrow.
ZIP Codes in Broken Arrow
Broken Arrow spans 4 ZIP codes. The ZIP with the lowest water quality score is 74011. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.