PlainWater
States → Arkansas

WEST STONE COUNTY WATER ASSN

PWS ID: AR0000735 · FOX, Arkansas 72051

PFAS Detected

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

Population Served
5,188
Total Violations
27
Health-Based Violations
3
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,359
County
Cleburne
School/Daycare
No
MCL Violations
3
Monitoring Violations
17
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 11 2008
Revised Total Coliform Rule MON 6 2025
TTHM MCL 3 2006
Revised Total Coliform Rule RPT 3 2016
Surface Water Treatment Rule Other 1 1995
Coliform (TCR) Other 1 1997

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 90 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 8/20/2025 <9 µg/L 9 µg/L Not Detected
PFTA 8/20/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFEESA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/20/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFNA 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 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
PFTrDA 8/20/2025 <0.007 µg/L 0.007 µg/L Not Detected
11Cl-PF3OUdS 8/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 8/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/20/2025 <0.005 µg/L 0.005 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
PFHxA 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
PFBA 8/20/2025 0.0078 µg/L 0.005 µg/L Detected
PFOA 8/20/2025 <0.004 µg/L 0.004 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
HFPO-DA 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
PFOS 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
PFUnA 8/20/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFBA 5/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/21/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/21/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 5/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/21/2025 <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.