CheckPFAS

ZIP Code 74011

High Risk
High Risk PFAS Risk Level

PFAS 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.

12
PFAS Detected
4
Above EPA Limits
2
Water Systems
1283%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 1283% of limit
Detected: 51.30 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 152% of limit
Detected: 15.20 ppt

BROKEN ARROW MUNICIPAL AUTHORITY

OK1021508 High Risk
Water Type
Surface Water
PFAS Detected
6
Above MCL
2
State
Oklahoma
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
51.30ppt
1283% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
15.20ppt
152% of limit
10 ppt⚠ Exceeds MCL
PFHxA
Perfluorohexanoic acid
6.90pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
6.50pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
6.40pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
4.50pptNo federal limitUnregulated

WAGONER CO. RWD #5

OK1021528 High Risk
Water Type
Surface Water
PFAS Detected
6
Above MCL
2
State
Oklahoma
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
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
8.30pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
7.90pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
5.70pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
3.20pptNo federal limitUnregulated
Note: ZIP code 74011 is served by 2 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.

View raw EPA data →