PlainWater

CITY OF ALEXANDRIA WATER SYSTEM

PWS ID: LA1079001 · ALEXANDRIA, Louisiana 71309

PFAS Detected

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

Population Served
66,798
Total Violations
41
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
22,266
County
Rapides Parish
School/Daycare
No
MCL Violations
14
Monitoring Violations
21
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 10 2015
TTHM MR 8 2013
Total Haloacetic Acids (HAA5) MR 8 2013
E. COLI MR 4 2012
Revised Total Coliform Rule MCL 4 2018
Consumer Confidence Rule Other 3 2005
Public Notice Other 3 2015
Groundwater Rule MR 1 2010

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 20 of 550 samples detected PFAS.

Contaminant Date Result MRL Status
PFMBA 8/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/27/2024 <0.007 µg/L 0.007 µg/L Not Detected
4:2 FTS 8/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/27/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeA 8/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 8/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/27/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 8/27/2024 23.1000 µg/L 9 µg/L Detected
PFHpS 8/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 8/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 8/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/27/2024 <0.008 µg/L 0.008 µg/L Not Detected
11Cl-PF3OUdS 8/27/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/27/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 8/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/27/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/27/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFNA 8/27/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/10/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHpA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/10/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/10/2023 <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.