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PRESTONWOOD FOREST UTILITY DISTRICT

PWS ID: TX1010467 · HOUSTON, Texas 77024-3430

PFAS Detected

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

Population Served
5,940
Total Violations
2
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,980
County
Harris
School/Daycare
No
MCL Violations
0
Monitoring Violations
0
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 1 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 7 of 169 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 5/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 5/22/2025 <0.007 µg/L 0.007 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
PFBS 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 5/22/2025 0.0050 µg/L 0.005 µg/L Detected
HFPO-DA 5/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/22/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/22/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 5/22/2025 <0.003 µg/L 0.003 µg/L Not 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
PFOS 5/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 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
PFHpS 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/22/2025 <0.02 µg/L 0.02 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
PFPeA 5/22/2025 <0.003 µg/L 0.003 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
PFMBA 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 5/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/22/2025 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 5/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 5/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 5/22/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFUnA 5/22/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/22/2025 26.1000 µg/L 9 µg/L Detected
PFTrDA 5/22/2025 <0.007 µg/L 0.007 µg/L Not Detected
6:2 FTS 5/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/22/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 5/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 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
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.