PlainWater

LPWDN NORTH REGION

PWS ID: LA1055191 · LAFAYETTE, Louisiana 70507

PFAS Detected

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

Population Served
16,833
Total Violations
13
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
5,611
County
Lafayette Parish
School/Daycare
No
MCL Violations
0
Monitoring Violations
8
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule TT 5 2019
Total Haloacetic Acids (HAA5) MR 4 2012
TTHM MR 4 2012

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFDoA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/27/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/27/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/27/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 9/27/2023 <0.008 µg/L 0.008 µg/L Not Detected
6:2 FTS 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/27/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/27/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/27/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 9/27/2023 14.0000 µg/L 9 µg/L Detected
PFHpA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/27/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/27/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 3/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 3/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 3/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 3/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 3/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 3/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 3/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 3/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 3/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 3/20/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFTA 3/20/2024 <0.008 µg/L 0.008 µg/L Not Detected
9Cl-PF3ONS 3/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 3/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 3/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 3/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 3/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 3/20/2024 13.1000 µg/L 9 µg/L Detected
PFBS 3/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 3/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 3/20/2024 <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.