PlainWater
States → Louisiana

NEW ORLEANS CARROLLTON WATER WORKS

PWS ID: LA1071009 · NEW ORLEANS, Louisiana 70118

PFAS Detected

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

Population Served
334,903
Total Violations
30
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
137,049
County
Orleans Parish
School/Daycare
No
MCL Violations
0
Monitoring Violations
16
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 8 2023
Interim Enhanced Surface Water Treatment Rule MR 4 2016
CARBON, TOTAL MR 4 2022
Interim Enhanced Surface Water Treatment Rule TT 4 2025
Consumer Confidence Rule Other 3 2006

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 20 of 360 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 9/30/2024 <0.02 µg/L 0.02 µg/L Not Detected
6:2 FTS 9/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 9/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/30/2024 0.0076 µg/L 0.005 µg/L Detected
HFPO-DA 9/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 9/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 9/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 9/30/2024 14.0000 µg/L 9 µg/L Detected
4:2 FTS 9/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/30/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 9/30/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 9/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/30/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFNA 9/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 9/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 9/30/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFUnA 9/30/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBA 9/12/2023 0.0063 µg/L 0.005 µg/L Detected
6:2 FTS 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/12/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/12/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFPeA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 9/12/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/12/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/12/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 9/12/2023 <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.