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States → Louisiana

NATCHITOCHES PARISH WWKS DISTRICT 2

PWS ID: LA1069006 · NATCHEZ, Louisiana 71456

PFAS Detected

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

Population Served
8,415
Total Violations
270
Health-Based Violations
237
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,805
County
Natchitoches Parish
School/Daycare
No
MCL Violations
237
Monitoring Violations
8
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 216 2009
Coliform (TCR) MCL 21 2001
TTHM MR 4 2013
Total Haloacetic Acids (HAA5) MR 4 2013
Consumer Confidence Rule Other 1 1999
Groundwater Rule Other 1 2024

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFTA 9/18/2024 <0.008 µg/L 0.008 µg/L Not Detected
6:2 FTS 9/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/18/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/18/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 9/18/2024 11.0000 µg/L 9 µg/L Detected
HFPO-DA 9/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 9/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 9/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 9/18/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 9/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 9/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/18/2024 <0.02 µg/L 0.02 µg/L Not Detected
9Cl-PF3ONS 9/18/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 3/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 3/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 3/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 3/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 3/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 3/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 3/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 3/4/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFUnA 3/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 3/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 3/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 3/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 3/4/2024 <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.