CheckPFAS

ZIP Code 45387

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

1 compound exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.

2
PFAS Detected
1
Above EPA Limits
1
Water System
230%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 230% of limit
Detected: 9.20 ppt
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YELLOW SPRINGS VILLAGE PWS

OH2903012 High Risk
Water Type
Groundwater
PFAS Detected
2
Above MCL
1
State
Ohio
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
9.20ppt
230% of limit
4 ppt⚠ Exceeds MCL
lithium
11300.00pptNo federal limit—Unregulated

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 →