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States → Texas

CITY OF HOUSTON WILLOW CHASE

PWS ID: TX1011902 · HOUSTON, Texas 77251-1562

PFAS Detected

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

Population Served
14,169
Total Violations
8
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
4,723
County
Harris
School/Daycare
No
MCL Violations
0
Monitoring Violations
8
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 8 2011

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 8 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
ADONA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/12/2024 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 8/12/2024 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/12/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/12/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/12/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/12/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBA 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 7/31/2024 12.5000 µg/L 9 µg/L Detected
PFHpA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 7/16/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 7/16/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/16/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 7/16/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/16/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/16/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/16/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 7/16/2024 13.8000 µg/L 9 µg/L Detected
PFBS 7/16/2024 <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.