PlainWater

LAKES OF ROSEHILL WATER SYSTEM

PWS ID: TX1013050 · AUSTIN, Texas 78723-2476

PFAS Detected

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

Population Served
1,242
Total Violations
25
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
414
County
Harris
School/Daycare
No
MCL Violations
0
Monitoring Violations
20
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 20 2003
Public Notice Other 5 2003

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 6 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFNA 4/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 4/25/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFUnA 4/25/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 4/25/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFMPA 4/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 4/25/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 4/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 4/25/2023 9.1100 µg/L 9 µg/L Detected
PFHpS 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 4/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 4/25/2023 <0.02 µg/L 0.02 µg/L Not Detected
4:2 FTS 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 4/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 4/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 4/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 4/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 4/25/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 4/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 4/25/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 4/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 4/25/2023 0.0031 µg/L 0.003 µg/L Detected
PFHpA 4/25/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/25/2023 0.0032 µg/L 0.003 µg/L Detected
NMeFOSAA 4/25/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 4/25/2023 <0.007 µg/L 0.007 µg/L Not Detected
9Cl-PF3ONS 4/25/2023 <0.002 µg/L 0.002 µg/L Not Detected
NEtFOSAA 4/25/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 4/25/2023 0.0063 µg/L 0.003 µg/L Detected
PFHxA 4/25/2023 0.0051 µg/L 0.003 µg/L Detected
lithium 4/25/2023 <9 µg/L 9 µg/L Not Detected
PFTA 4/25/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 4/25/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 4/25/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 4/25/2023 <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.