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States → Louisiana

ST BERNARD PARISH WATERWORKS

PWS ID: LA1087001 · CHALMETTE, Louisiana 70043

Population Served
44,783
Total Violations
285
Health-Based Violations
115
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
18,607
County
St. Bernard Parish
School/Daycare
No
MCL Violations
38
Monitoring Violations
156
Treatment Tech Violations
77

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule MR 98 2014
CARBON, TOTAL TT 68 2015
Total Haloacetic Acids (HAA5) MR 24 2015
TTHM MR 24 2015
Coliform (TCR) MCL 21 2012
Total Haloacetic Acids (HAA5) MCL 10 2016
TTHM MCL 7 1987
Coliform (TCR) MR 6 2004
Long Term 2 Enhanced Surface Water Treatment Rule TT 5 2014
Surface Water Treatment Rule TT 4 2000
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 4 2010
Consumer Confidence Rule Other 3 2006

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxS 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/13/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/13/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFOS 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/13/2024 <0.002 µg/L 0.002 µg/L Not Detected
NEtFOSAA 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/13/2024 <9 µg/L 9 µg/L Not Detected
PFTA 8/13/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 8/13/2024 <0.007 µg/L 0.007 µg/L Not Detected
NFDHA 8/13/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFBA 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/22/2024 <9 µg/L 9 µg/L Not Detected
ADONA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/22/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 5/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 5/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 5/22/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHxS 5/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 5/22/2024 <0.007 µg/L 0.007 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.