PlainWater

CITY OF CEDAR PARK

PWS ID: TX2460009 · CEDAR PARK, Texas 78613-3000

PFAS Detected

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

Population Served
86,939
Total Violations
37
Health-Based Violations
10
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
36,380
County
Williamson
School/Daycare
No
MCL Violations
10
Monitoring Violations
18
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 9 2015
Interim Enhanced Surface Water Treatment Rule MR 9 2005
Revised Total Coliform Rule MON 4 2016
Lead and Copper Rule MR 3 2016
CARBON, TOTAL MR 1 2014
Surface Water Treatment Rule MR 1 1993
Fluoride MCL 1 1979

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 8/22/2024 <9 µg/L 9 µg/L Not Detected
PFHxS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 8/22/2024 0.0050 µg/L 0.005 µg/L Detected
PFUnA 8/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/22/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFNA 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 8/22/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFBS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/22/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 8/22/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/22/2024 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/22/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/22/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/22/2024 <9 µg/L 9 µg/L Not Detected
PFEESA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/22/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/22/2024 <0.006 µg/L 0.006 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.