PlainWater

OAKMONT PUD

PWS ID: TX1012981 · HOUSTON, Texas 77046-3653

PFAS Detected

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

Population Served
3,450
Total Violations
52
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,150
County
Harris
School/Daycare
No
MCL Violations
0
Monitoring Violations
52
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2,4-Trichlorobenzene MR 2 2024
p-Dichlorobenzene MR 2 2024
1,1-Dichloroethylene MR 2 2024
1,2-Dichloroethane MR 2 2024
1,1,1-Trichloroethane MR 2 2024
CHLOROBENZENE MR 2 2024
Benzene MR 2 2024
Toluene MR 2 2024
Styrene MR 2 2024
OXAMYL MR 2 2022
Aldicarb sulfoxide MR 2 2022
Aldicarb sulfone MR 2 2022
Vinyl chloride MR 2 2024
cis-1,2-Dichloroethylene MR 2 2024
Carbofuran MR 2 2022
1,1,2-Trichloroethane MR 2 2024
Ethylbenzene MR 2 2024
Trichloroethylene MR 2 2024
DICHLOROMETHANE MR 2 2024
Carbon tetrachloride MR 2 2024
trans-1,2-Dichloroethylene MR 2 2024
1,2-Dichloropropane MR 2 2024
Aldicarb MR 2 2022
o-Dichlorobenzene MR 2 2024
Tetrachloroethylene MR 2 2024
Xylenes, Total MR 2 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/19/2025 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/19/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/19/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/19/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/19/2025 53.0000 µg/L 9 µg/L Detected
PFPeA 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/19/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/19/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 8/19/2025 <0.007 µg/L 0.007 µg/L Not Detected
6:2 FTS 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/19/2025 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 8/19/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFTrDA 2/18/2025 <0.007 µg/L 0.007 µg/L Not Detected
9Cl-PF3ONS 2/18/2025 <0.002 µg/L 0.002 µg/L Not Detected
NEtFOSAA 2/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 2/18/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 2/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 2/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 2/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 2/18/2025 <0.008 µg/L 0.008 µg/L Not Detected
11Cl-PF3OUdS 2/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 2/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 2/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 2/18/2025 <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.