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States → Texas

HIDALGO COUNTY MUD 1

PWS ID: TX1080088 · MISSION, Texas 78572-9527

PFAS Detected

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

Population Served
8,420
Total Violations
118
Health-Based Violations
44
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,088
County
Hidalgo
School/Daycare
No
MCL Violations
44
Monitoring Violations
56
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 21 2005
Interim Enhanced Surface Water Treatment Rule MR 20 2024
Surface Water Treatment Rule MR 17 2024
Coliform (TCR) MCL 14 2011
Total Haloacetic Acids (HAA5) MCL 9 2005
CARBON, TOTAL MR 8 2016
Coliform (TCR) MR 7 2005
Public Notice Other 4 2011
Lead and Copper Rule MR 4 2017

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 11 of 87 samples detected PFAS.

Contaminant Date Result MRL Status
PFDA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/11/2025 0.0038 µg/L 0.003 µg/L Detected
PFUnA 8/11/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/11/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFBA 8/11/2025 0.0058 µg/L 0.005 µg/L Detected
PFEESA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/11/2025 <0.02 µg/L 0.02 µg/L Not Detected
lithium 8/11/2025 54.6000 µg/L 9 µg/L Detected
PFMBA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/11/2025 0.0039 µg/L 0.003 µg/L Detected
PFMPA 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 5/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/20/2025 0.0057 µg/L 0.005 µg/L Detected
HFPO-DA 5/20/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/20/2025 <0.002 µg/L 0.002 µg/L Not Detected
lithium 5/20/2025 59.4000 µg/L 9 µg/L Detected
PFUnA 5/20/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/20/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/20/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/20/2025 <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.