ZIP Code 74429
High RiskPFAS above EPA limits detected
4 compounds exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.
15
PFAS Detected
4
Above EPA Limits
3
Water Systems
850%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 850% of limit
Detected: 34.00 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 150% of limit
Detected: 15.00 ppt
COWETA
OK1021509 Low LevelWater Type
Surface Water
PFAS Detected
4
Above MCL
0
State
Oklahoma
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 5.50ppt | 55% of limit
| 10 ppt | Below limit |
PFBA Perfluorobutanoic acid | 6.90ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 4.20ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 3.30ppt | No federal limit | — | Unregulated |
WAGONER CO. RWD #5
OK1021528 High RiskWater Type
Surface Water
PFAS Detected
6
Above MCL
2
State
Oklahoma
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 34.00ppt | 850% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 15.00ppt | 150% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFHxA Perfluorohexanoic acid | 8.30ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 7.90ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 5.70ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.20ppt | No federal limit | — | Unregulated |
WAGONER CO. RWD #4
OK1021529 High RiskWater Type
Surface Water
PFAS Detected
5
Above MCL
2
State
Oklahoma
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 29.50ppt | 738% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 12.30ppt | 123% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFPeA Perfluoropentanoic acid | 6.40ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 6.20ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.90ppt | No federal limit | — | Unregulated |
Note: ZIP code 74429 is served by 3 separate water utilities.
Results above show data for each system independently.
Data source: EPA Unregulated Contaminant Monitoring Rule, 5th cycle (UCMR 5) — January 2026 release.
UCMR 5 tested ~10,000 public water systems serving more than 25 people between 2023-2025 for 29 PFAS compounds.
Detection values represent the highest single-sample result measured at entry points to the distribution system.