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HARRIS COUNTY UTILITY DISTRICT 6

PWS ID: TX1010501 · HOUSTON, Texas 77027-7537

PFAS Detected

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

Population Served
11,262
Total Violations
5
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,754
County
Harris
School/Daycare
No
MCL Violations
0
Monitoring Violations
3
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 2 2010
Coliform (TCR) MR 1 1991

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 10 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
9Cl-PF3ONS 8/12/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFOS 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 8/12/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFBA 8/12/2025 0.0072 µg/L 0.005 µg/L Detected
4:2 FTS 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/12/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/12/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/12/2025 <0.008 µg/L 0.008 µg/L Not Detected
lithium 8/12/2025 <9 µg/L 9 µg/L Not Detected
PFNA 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 8/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/12/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFOA 8/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 6/26/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 6/26/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/26/2025 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 6/26/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 4/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 4/8/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 4/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 4/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 4/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 4/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 4/8/2025 <9 µg/L 9 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.