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States → Texas

CITY OF DESOTO

PWS ID: TX0570006 · DESOTO, Texas 75115-3901

PFAS Detected

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

Population Served
57,999
Total Violations
87
Health-Based Violations
10
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
18,922
County
Dallas
School/Daycare
No
MCL Violations
10
Monitoring Violations
67
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 49 2015
Coliform (TCR) MCL 10 2007
Coliform (TCR) MR 10 2012
Public Notice Other 10 2024
Revised Total Coliform Rule MON 4 2022
Nitrite MR 4 2023

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 16 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFDA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/14/2023 0.0045 µg/L 0.003 µg/L Detected
PFDoA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/14/2023 0.0040 µg/L 0.003 µg/L Detected
NMeFOSAA 8/14/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 8/14/2023 <0.008 µg/L 0.008 µg/L Not Detected
4:2 FTS 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 8/14/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFPeS 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 8/14/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/14/2023 0.0055 µg/L 0.003 µg/L Detected
PFMPA 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/14/2023 0.0096 µg/L 0.005 µg/L Detected
lithium 8/14/2023 <9 µg/L 9 µg/L Not Detected
PFPeA 5/28/2024 0.0053 µg/L 0.003 µg/L Detected
PFDoA 5/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 5/28/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 5/28/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 5/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 5/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 5/28/2024 <9 µg/L 9 µg/L Not Detected
PFNA 5/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/28/2024 0.0042 µg/L 0.003 µg/L Detected
PFHpS 5/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/28/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/28/2024 <0.02 µg/L 0.02 µg/L Not Detected
8:2 FTS 5/28/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 5/28/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/28/2024 0.0047 µg/L 0.003 µg/L Detected
PFOS 5/28/2024 <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.