PlainWater

CITY OF ROCKWALL

PWS ID: TX1990001 · ROCKWALL, Texas 75087-3737

PFAS Detected

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

Population Served
47,251
Total Violations
2
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
30,400
County
Rockwall
School/Daycare
No
MCL Violations
0
Monitoring Violations
1
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 1 2013

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 11 of 90 samples detected PFAS.

Contaminant Date Result MRL Status
4:2 FTS 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/9/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 9/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/9/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/9/2025 0.0035 µg/L 0.003 µg/L Detected
PFBA 9/9/2025 0.0050 µg/L 0.005 µg/L Detected
11Cl-PF3OUdS 9/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 9/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/9/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 9/9/2025 0.0035 µg/L 0.003 µg/L Detected
PFOA 9/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 7/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/9/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 7/9/2025 <0.008 µg/L 0.008 µg/L Not Detected
lithium 7/9/2025 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 7/9/2025 <0.006 µg/L 0.006 µg/L Not Detected
8:2 FTS 5/13/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/13/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/13/2025 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 5/13/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 5/13/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 5/13/2025 <0.008 µg/L 0.008 µg/L Not Detected
NFDHA 5/13/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 5/13/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/13/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 5/13/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/13/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/13/2025 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 5/13/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/13/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/13/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 5/13/2025 0.0039 µg/L 0.003 µg/L Detected
PFBA 5/13/2025 0.0056 µg/L 0.005 µg/L Detected
PFPeA 5/13/2025 0.0040 µg/L 0.003 µg/L Detected
PFOA 5/13/2025 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 5/13/2025 <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.