PlainWater
States → Texas

CITY OF GONZALES

PWS ID: TX0890001 · GONZALES, Texas 78629-0547

PFAS Detected

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

Population Served
9,172
Total Violations
80
Health-Based Violations
42
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,007
County
Gonzales
School/Daycare
No
MCL Violations
42
Monitoring Violations
22
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 19 2015
TTHM MCL 19 2015
Revised Total Coliform Rule MON 8 2016
Public Notice Other 5 2014
Coliform (TCR) MR 4 2003
Surface Water Treatment Rule MR 4 2003
E. COLI MR 4 2022
Coliform (TCR) MCL 4 2006
Lead and Copper Rule MR 2 2013

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 20 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 8/21/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/21/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/21/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 8/21/2023 13.2000 µg/L 9 µg/L Detected
PFTA 8/21/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/21/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/21/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 8/21/2023 12.4000 µg/L 9 µg/L Detected
4:2 FTS 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/9/2023 0.0043 µg/L 0.003 µg/L Detected
PFMBA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/9/2023 <0.02 µg/L 0.02 µg/L Not Detected
NMeFOSAA 5/9/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFHpS 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 5/9/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 5/9/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 5/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 5/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 5/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 5/9/2023 <9 µg/L 9 µg/L Not Detected
PFBS 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 5/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/9/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 5/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/9/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/9/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFDA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/9/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/9/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/8/2023 0.0041 µg/L 0.003 µg/L Detected
PFOS 5/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 5/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 5/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 5/8/2023 <0.003 µg/L 0.003 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.