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States → Ohio

UNION CITY PWS

PWS ID: OH5702512 · UNION, Ohio 45322

PFAS Detected

5 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
7,000
Total Violations
35
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,941
County
Montgomery
School/Daycare
No
MCL Violations
8
Monitoring Violations
26
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 8 1993
Nitrate MR 7 2016
Barium MR 3 1986
Cadmium MR 3 1986
Chromium MR 3 1986
Mercury MR 3 1986
Selenium MR 3 1986
Fluoride MR 3 1986
Consumer Confidence Rule Other 1 2020
Arsenic MR 1 1986

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 6 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
11Cl-PF3OUdS 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/20/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/20/2025 <0.006 µg/L 0.006 µg/L Not Detected
lithium 8/20/2025 <9 µg/L 9 µg/L Not Detected
PFBS 8/20/2025 0.0077 µg/L 0.003 µg/L Detected
PFHpA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/20/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFUnA 8/20/2025 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 8/20/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/20/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/20/2025 <0.002 µg/L 0.002 µg/L Not Detected
lithium 8/20/2025 <9 µg/L 9 µg/L Not Detected
PFOS 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 8/20/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/20/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/20/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/20/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFHxS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.