PlainWater

WATERWORKS DISTRICT 7

PWS ID: LA1017052 · KEITHVILLE, Louisiana 71047

PFAS Detected

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

Population Served
5,817
Total Violations
52
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,939
County
Caddo Parish
School/Daycare
No
MCL Violations
9
Monitoring Violations
25
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 9 2010
TTHM MR 8 2014
Total Haloacetic Acids (HAA5) MR 8 2014
Consumer Confidence Rule Other 7 2022
Lead and Copper Rule MR 5 2022
Chlorine MR 4 2014

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 8 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 6/10/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHxA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/10/2024 32.0000 µg/L 9 µg/L Detected
NEtFOSAA 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/10/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFUnA 6/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 6/10/2024 <0.007 µg/L 0.007 µg/L Not Detected
4:2 FTS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFMBA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/10/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 6/10/2024 <0.02 µg/L 0.02 µg/L Not Detected
4:2 FTS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 6/10/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 6/10/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 6/10/2024 <0.006 µg/L 0.006 µg/L Not Detected
6:2 FTS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 6/10/2024 41.0000 µg/L 9 µg/L Detected
PFBA 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/10/2024 <0.004 µg/L 0.004 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.