PlainWater
States → Texas

R C H WSC

PWS ID: TX1990012 · ROCKWALL, Texas 75087-7818

PFAS Detected

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

Population Served
7,863
Total Violations
52
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,621
County
Rockwall
School/Daycare
No
MCL Violations
0
Monitoring Violations
21
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 8 2023
Public Notice Other 8 2025
Chlorine MR 8 2017
Consumer Confidence Rule Other 4 2024
LEAD AND COPPER RULE REVISIONS TT 4 2024
LEAD AND COPPER RULE REVISIONS RPT 4 2024
Lead and Copper Rule MR 3 2024
Coliform (TCR) MR 2 1991

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 12 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
ADONA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 6/21/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 6/21/2023 0.0042 µg/L 0.003 µg/L Detected
PFDoA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/21/2023 0.0033 µg/L 0.003 µg/L Detected
PFNA 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 6/21/2023 <0.002 µg/L 0.002 µg/L Not Detected
NFDHA 6/21/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/21/2023 0.0046 µg/L 0.003 µg/L Detected
PFMPA 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/21/2023 0.0046 µg/L 0.003 µg/L Detected
PFDoA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/21/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/21/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFOA 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/21/2023 0.0032 µg/L 0.003 µg/L Detected
NMeFOSAA 6/21/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/21/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/21/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 6/21/2023 <9 µg/L 9 µg/L Not Detected
PFOS 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 6/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/21/2023 0.0044 µg/L 0.003 µg/L Detected
11Cl-PF3OUdS 6/21/2023 <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.