PlainWater

WEST VERNON PARISH WATERWORKS DISTRICT

PWS ID: LA1115121 · ANACOCO, Louisiana 71403

PFAS Detected

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

Population Served
4,365
Total Violations
22
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,455
County
Vernon Parish
School/Daycare
No
MCL Violations
7
Monitoring Violations
9
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 7 2013
Chlorine MR 4 2013
Lead and Copper Rule TT 4 2021
Coliform (TCR) MR 3 2006
Consumer Confidence Rule Other 2 2017
Lead and Copper Rule MR 2 2020

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 4/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 4/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 4/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 4/17/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 4/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 4/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 4/17/2024 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 4/17/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 4/17/2024 <0.007 µg/L 0.007 µg/L Not Detected
4:2 FTS 4/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 4/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 4/17/2024 10.2000 µg/L 9 µg/L Detected
PFHxA 4/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 4/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 4/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 4/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 4/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 4/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 4/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 4/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 4/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 11/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 11/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
6:2 FTS 11/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 11/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 11/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 11/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 11/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 11/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 11/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 11/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 11/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 11/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 11/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 11/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 11/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 11/6/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHxA 11/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 11/6/2024 <0.006 µg/L 0.006 µg/L Not Detected
4:2 FTS 11/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 11/6/2024 <0.007 µg/L 0.007 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.