PlainWater
States → Louisiana

MAGNOLIA-EDEN ISLES

PWS ID: LA1103013 · DES PERES, Louisiana 63131

PFAS Detected

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

Population Served
10,155
Total Violations
28
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
3,558
County
St. Tammany Parish
School/Daycare
No
MCL Violations
9
Monitoring Violations
16
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 9 2007
Total Haloacetic Acids (HAA5) MR 8 2013
TTHM MR 8 2013
Consumer Confidence Rule Other 1 1999

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFDA 3/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 3/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 3/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 3/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 3/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 3/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 3/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 3/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 3/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 3/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 3/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 3/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 3/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 3/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 3/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 3/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 3/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 3/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 3/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 3/28/2023 <0.02 µg/L 0.02 µg/L Not Detected
11Cl-PF3OUdS 3/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 3/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 3/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 3/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 3/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 3/1/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 3/1/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 3/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 3/1/2023 <0.007 µg/L 0.007 µg/L Not Detected
lithium 3/1/2023 20.3000 µg/L 9 µg/L Detected
PFDoA 10/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 10/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 10/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 10/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 10/30/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 10/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 10/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 10/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 10/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 10/30/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 10/30/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 10/30/2024 11.3000 µg/L 9 µg/L Detected
PFHpA 10/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 10/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 10/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 10/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 10/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 10/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 10/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 10/30/2024 <0.005 µg/L 0.005 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.