CheckPFAS

ZIP Code 73145

Low Level
Low Level PFAS Risk Level
4
PFAS Detected
0
Above EPA Limits
2
Water Systems
52%
Highest % of MCL

OKLAHOMA CITY

OK1020902 Low Level
Water Type
Surface Water
PFAS Detected
2
Above MCL
0
State
Oklahoma
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
67800.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
4.70pptNo federal limitUnregulated

TINKER AFB BIO-ENV ENG

OK2005508 Low Level
Water Type
Groundwater
PFAS Detected
2
Above MCL
0
State
Oklahoma
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFHxS
Perfluorohexane sulfonic acid
5.20ppt
52% of limit
10 pptBelow limit
lithium
25800.00pptNo federal limitUnregulated
Note: ZIP code 73145 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 →