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States → Texas

SOUTH GRAYSON SUD

PWS ID: TX0910064 · VAN ALSTYNE, Texas 75495-2757

PFAS Detected

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

Population Served
6,750
Total Violations
4
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,250
County
Grayson
School/Daycare
No
MCL Violations
0
Monitoring Violations
4
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 4 2018

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 11 of 300 samples detected PFAS.

Contaminant Date Result MRL Status
9Cl-PF3ONS 7/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
NEtFOSAA 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/24/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 7/24/2024 <0.008 µg/L 0.008 µg/L Not Detected
6:2 FTS 7/24/2024 0.0084 µg/L 0.005 µg/L Detected
PFHpS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/24/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/24/2024 <0.006 µg/L 0.006 µg/L Not Detected
HFPO-DA 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 7/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/24/2024 35.6000 µg/L 9 µg/L Detected
4:2 FTS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 7/24/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 7/24/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 7/24/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/24/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/24/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/24/2024 <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.