Water Quality in Barnsdall, OK: 98 Violations — Grade C
Grade C · Score 68/100 · 2 water systems · Updated 2026-05-03
Barnsdall'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
On record with EPA: Barnsdall, OK has 98 water violations.
Water Quality by ZIP Code in Barnsdall
Water quality varies across Barnsdall's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 74002 | C | 68 | 98 | 66 | View report → |
Violation Trend
EPA violations recorded for water systems serving Barnsdall.
Water Quality Overview
Barnsdall, Oklahoma receives a water quality grade of C with an overall score of 68 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 2 water systems serving Barnsdall have accumulated 98 EPA violations, including 66 health-based violations. These violations are tracked across 1 ZIP codes serving approximately 1,804 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Barnsdall'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 Barnsdall water systems is 0.0057 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 65% of homes built before 1986, Barnsdall has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Water Systems Serving Barnsdall
Barnsdall is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 1,804 people across 1 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 10 enforcement actions against water systems serving Barnsdall. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Barnsdall
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 Barnsdall Water Systems
The following contaminants have been detected or caused violations across Barnsdall's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 0.06 mg/L | 34 | 1 | Yes |
| Chlorite | Disinfection Byproducts | 1 mg/L | 19 | 1 | Yes |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 0.08 mg/L | 12 | 1 | Yes |
| Fecal Coliform | Microbiological | N/A | 11 | 1 | Yes |
| E. coli | Microbiological | N/A | 8 | 1 | Yes |
| Revised Total Coliform Rule | Microbiological | N/A | 4 | 1 | No |
| Stage 2 DBP Rule | Treatment Technique | N/A | 4 | 1 | Yes |
| Stage 1 DBP Rule | Treatment Technique | N/A | 1 | 1 | No |
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 Barnsdall:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2024 | 4 | 4 |
| 2025 | 11 | 11 |
Violations have increased from 4 in 2024 to 11 in 2025. This trend warrants monitoring.
EPA Enforcement History
The EPA and state regulators have taken 9 enforcement actions against water systems serving Barnsdall. Recent actions:
| Date | Action Type |
|---|---|
| 2025-09-20 | State Informal Action |
| 2025-09-20 | State Informal Enforcement |
| 2025-09-05 | State Order Extension |
| 2025-08-20 | State Informal Action |
| 2025-08-20 | State Informal Enforcement |
| 2025-07-16 | State Informal Action |
| 2025-07-16 | State Informal Enforcement |
| 2025-07-11 | State Informal Action |
| 2025-07-09 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-09-20.
Barnsdall vs. Nearby Oklahoma Cities
How Barnsdall's water quality compares to similar cities in Oklahoma:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Barnsdall | C | 98 | 2 | 1,804 |
| Monroe | A | 7 | 1 | 1,800 |
| Hooker | C | 7 | 1 | 1,788 |
| Boswell | C | 70 | 2 | 1,782 |
Common Questions About Barnsdall Water
These are the most common questions residents search for about water quality in Barnsdall, Oklahoma:
Is Barnsdall water hard or soft? Water hardness varies by source. Barnsdall's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Barnsdall tap water? Barnsdall's water receives a grade of C (68/100). There are 66 health-based violations — consider filtration.
What is the best water filter for Barnsdall? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Barnsdall vs. Oklahoma Average
Understanding how Barnsdall 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 Barnsdall.
ZIP Codes in Barnsdall
Barnsdall spans 1 ZIP code. The ZIP with the lowest water quality score is 74002. 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.