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States → Texas

LAKE MUD

PWS ID: TX1011741 · HOUSTON, Texas 77057-1762

PFAS Detected

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

Population Served
6,048
Total Violations
8
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,016
County
Harris
School/Daycare
No
MCL Violations
4
Monitoring Violations
2
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 4 2004
Lead and Copper Rule MR 2 2013

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 7 of 61 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 8/14/2025 <9 µg/L 9 µg/L Not Detected
HFPO-DA 5/28/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/28/2025 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 5/28/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/28/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/28/2025 0.0071 µg/L 0.005 µg/L Detected
PFPeA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/28/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/28/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/28/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/28/2025 0.0033 µg/L 0.003 µg/L Detected
PFNA 5/28/2025 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 5/28/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 5/28/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/28/2025 0.0048 µg/L 0.003 µg/L Detected
PFUnA 5/28/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/28/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 5/28/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/22/2025 <9 µg/L 9 µg/L Not Detected
PFTA 5/22/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 5/22/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 5/22/2025 <0.006 µg/L 0.006 µg/L Not Detected
9Cl-PF3ONS 5/22/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/22/2025 0.0073 µg/L 0.005 µg/L Detected
6:2 FTS 5/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 5/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/22/2025 0.0046 µg/L 0.003 µg/L Detected
PFDoA 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/22/2025 0.0050 µg/L 0.003 µg/L Detected
PFNA 5/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/22/2025 <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.