PlainWater

TOWN OF BERWICK

PWS ID: LA1101014 · BERWICK, Louisiana 70380

PFAS Detected

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

Population Served
5,898
Total Violations
14
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,002
County
St. Mary Parish
School/Daycare
No
MCL Violations
0
Monitoring Violations
12
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 8 2019
Surface Water Treatment Rule MR 4 2019
LEAD AND COPPER RULE REVISIONS RPT 1 2024
LEAD AND COPPER RULE REVISIONS TT 1 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 9/17/2024 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 9/17/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 9/17/2024 <9 µg/L 9 µg/L Not Detected
PFTrDA 9/17/2024 <0.007 µg/L 0.007 µg/L Not Detected
ADONA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 6/4/2024 <0.02 µg/L 0.02 µg/L Not Detected
9Cl-PF3ONS 6/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 6/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 6/4/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 6/4/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 6/4/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFBA 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/4/2024 <9 µg/L 9 µg/L Not Detected
4:2 FTS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 4/9/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 4/9/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 4/9/2024 <0.008 µg/L 0.008 µg/L Not Detected
9Cl-PF3ONS 3/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 3/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 3/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 3/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 3/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 3/5/2024 0.0063 µg/L 0.005 µg/L Detected
NFDHA 3/5/2024 <0.02 µg/L 0.02 µg/L Not Detected
ADONA 3/5/2024 <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.