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States → Louisiana

CONCORDIA WATERWORKS DISTRICT 1

PWS ID: LA1029003 · FERRIDAY, Louisiana 71334

PFAS Detected

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

Population Served
6,921
Total Violations
24
Health-Based Violations
13
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,307
County
Concordia Parish
School/Daycare
No
MCL Violations
0
Monitoring Violations
0
Treatment Tech Violations
13

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 13 2021
Consumer Confidence Rule Other 2 2016

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFTrDA 9/16/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 9/16/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 9/16/2024 17.0000 µg/L 9 µg/L Detected
PFTA 9/16/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHxA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 5/6/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/6/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/6/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/6/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/6/2024 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 3/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 3/3/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 3/3/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 3/3/2024 <0.007 µg/L 0.007 µg/L Not Detected
lithium 3/3/2024 22.4000 µg/L 9 µg/L Detected
PFBS 2/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 2/26/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 2/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 2/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 2/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 2/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 2/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 2/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 2/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 2/26/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 2/26/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 2/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 2/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 2/26/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 2/26/2025 <0.004 µg/L 0.004 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.