PlainWater
States → Louisiana

WEST HWY 80 ARK ROAD WS

PWS ID: LA1073055 · WEST MONROE, Louisiana 71294

PFAS Detected

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

Population Served
14,649
Total Violations
217
Health-Based Violations
210
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
4,883
County
Ouachita Parish
School/Daycare
No
MCL Violations
205
Monitoring Violations
2
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 184 2021
Coliform (TCR) MCL 21 2014
Groundwater Rule TT 5 2021
TTHM MR 2 2014

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 5/15/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 5/15/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFDoA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/15/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/15/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/15/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFMPA 5/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/15/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
lithium 5/15/2025 <9 µg/L 9 µg/L Not Detected
8:2 FTS 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 5/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/15/2025 <0.002 µg/L 0.002 µg/L Not Detected
lithium 5/15/2025 <9 µg/L 9 µg/L Not Detected
PFTrDA 5/15/2025 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 5/15/2025 <0.006 µg/L 0.006 µg/L Not Detected
NFDHA 5/15/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFHxS 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/15/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFNA 5/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 5/15/2025 <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.