CheckPFAS

ZIP Code 45056

Low Level
Low Level PFAS Risk Level
2
PFAS Detected
0
Above EPA Limits
2
Water Systems
N/A
Highest % of MCL

OXFORD CITY PWS

OH0902312 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Ohio
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFBS
Perfluorobutane sulfonic acid
12.60pptNo federal limitUnregulated

SOUTHWEST REGIONAL WATER DISTRICT

OH0903912 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Ohio
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFBS
Perfluorobutane sulfonic acid
3.10pptNo federal limitUnregulated
Note: ZIP code 45056 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 →