PlainWater

CITY OF WILMER

PWS ID: TX0570018 · WILMER, Texas 75172-1144

PFAS Detected

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

Population Served
6,690
Total Violations
186
Health-Based Violations
32
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,724
County
Dallas
School/Daycare
No
MCL Violations
26
Monitoring Violations
96
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 43 2018
Public Notice Other 43 2020
Lead and Copper Rule MR 27 2020
Coliform (TCR) MCL 23 2012
Coliform (TCR) MR 20 2015
Consumer Confidence Rule Other 11 2019
Revised Total Coliform Rule TT 6 2016
Revised Total Coliform Rule MON 5 2016
Fluoride MCL 3 1983
Nitrate MR 1 2011

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 26 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
9Cl-PF3ONS 9/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 9/24/2024 0.0033 µg/L 0.003 µg/L Detected
11Cl-PF3OUdS 9/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 9/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 9/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 9/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/24/2024 0.0041 µg/L 0.003 µg/L Detected
PFHxS 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/24/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFNA 9/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 9/24/2024 0.0042 µg/L 0.003 µg/L Detected
NMeFOSAA 9/24/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 9/24/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/24/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 9/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/24/2024 0.0066 µg/L 0.005 µg/L Detected
PFHpA 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/24/2024 <9 µg/L 9 µg/L Not Detected
PFBA 9/24/2024 0.0066 µg/L 0.005 µg/L Detected
PFHxA 9/24/2024 0.0041 µg/L 0.003 µg/L Detected
PFHpS 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/24/2024 0.0041 µg/L 0.003 µg/L Detected
PFMPA 9/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 9/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 9/24/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 9/24/2024 <0.006 µg/L 0.006 µg/L Not Detected
11Cl-PF3OUdS 9/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 9/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 9/24/2024 <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.