PlainWater
States → Louisiana

FIFTH WARD WATER SYSTEM

PWS ID: LA1009007 · MARKSVILLE, Louisiana 71351

PFAS Detected

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

Population Served
5,676
Total Violations
33
Health-Based Violations
18
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
1,892
County
Avoyelles Parish
School/Daycare
No
MCL Violations
17
Monitoring Violations
3
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 14 2008
Consumer Confidence Rule Other 4 2024
Fluoride MCL 3 1982
Coliform (TCR) MR 3 2011
LEAD AND COPPER RULE REVISIONS TT 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
NFDHA 4/9/2025 <0.02 µg/L 0.02 µg/L Not Detected
6:2 FTS 4/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 4/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 4/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 4/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 4/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 4/9/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 4/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 4/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 4/9/2025 24.3000 µg/L 9 µg/L Detected
PFTrDA 4/9/2025 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 4/9/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFMBA 4/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 4/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 4/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 4/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 4/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 4/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 4/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 4/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 4/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/9/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 4/9/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 4/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 10/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 10/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 10/15/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 10/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 10/15/2025 <0.008 µg/L 0.008 µg/L Not Detected
6:2 FTS 10/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 10/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 10/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 10/15/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFBA 10/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 10/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 10/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 10/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 10/15/2025 <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.