PlainWater

ST LANDRY WATER WORKS DISTRICT 2 RURAL

PWS ID: LA1097033 · SUNSET, Louisiana 70584

Population Served
4,761
Total Violations
31
Health-Based Violations
19
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,587
County
St. Landry Parish
School/Daycare
No
MCL Violations
9
Monitoring Violations
11
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 10 2019
Coliform (TCR) MCL 9 2003
TTHM MR 4 2013
Total Haloacetic Acids (HAA5) MR 4 2013
Coliform (TCR) MR 3 2002

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFNA 6/5/2023 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 6/5/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/5/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/5/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/5/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/5/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/5/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 6/5/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 6/5/2023 <0.02 µg/L 0.02 µg/L Not Detected
NEtFOSAA 6/5/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/5/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/5/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 6/5/2023 <9 µg/L 9 µg/L Not Detected
HFPO-DA 6/5/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 6/5/2023 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 6/5/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFEESA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/5/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/5/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/5/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 12/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 12/4/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFDoA 12/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 12/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 12/4/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 12/4/2023 <9 µg/L 9 µg/L Not Detected
PFBS 12/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 12/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 12/4/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 12/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 12/4/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 12/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 12/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 12/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 12/4/2023 <0.007 µg/L 0.007 µg/L Not Detected
4:2 FTS 12/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 12/4/2023 <0.008 µg/L 0.008 µg/L Not Detected
8:2 FTS 12/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 12/4/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 12/4/2023 <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.