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States → Louisiana

WEST BATON ROUGE WATER WORKS DISTRICT 2

PWS ID: LA1121018 · PORT ALLEN, Louisiana 70767

PFAS Detected

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

Population Served
13,437
Total Violations
48
Health-Based Violations
23
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
5,913
County
West Baton Rouge Parish
School/Daycare
No
MCL Violations
23
Monitoring Violations
17
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 23 2011
E. COLI MR 10 2010
Public Notice Other 3 2011
TTHM MR 2 2009
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2010
Total Haloacetic Acids (HAA5) MR 2 2009
Groundwater Rule MR 1 2010

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 8 of 300 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpS 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/28/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 5/28/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/28/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 5/28/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 5/28/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/28/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 5/28/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFDA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/28/2025 9.4000 µg/L 9 µg/L Detected
NFDHA 5/28/2025 <0.02 µg/L 0.02 µg/L Not Detected
ADONA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/28/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/28/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/28/2025 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 5/28/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/28/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/28/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 5/28/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/28/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/28/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/28/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/28/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/28/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/28/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 5/28/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 5/28/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFHxA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/28/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 5/28/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFDA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/28/2025 9.5000 µg/L 9 µg/L Detected
PFBS 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/28/2025 <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.