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HARRIS COUNTY MUD 150

PWS ID: TX1011250 · HOUSTON, Texas 77066-2957

PFAS Detected

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

Population Served
8,454
Total Violations
58
Health-Based Violations
49
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,818
County
Harris
School/Daycare
No
MCL Violations
49
Monitoring Violations
2
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 45 2010
Coliform (TCR) MCL 4 2011
Public Notice Other 2 2011
Lead and Copper Rule MR 2 2013

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 16 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 7/18/2024 <0.02 µg/L 0.02 µg/L Not Detected
lithium 7/18/2024 <9 µg/L 9 µg/L Not Detected
PFUnA 7/18/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 7/18/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/18/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/18/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 7/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 7/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 7/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/18/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 7/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/18/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/18/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 5/15/2025 0.0058 µg/L 0.005 µg/L Detected
6:2 FTS 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/15/2025 <0.02 µg/L 0.02 µg/L Not Detected
HFPO-DA 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/15/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/15/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/15/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 5/15/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/15/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/15/2025 <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.