PlainWater

VIENNA, TOWN OF

PWS ID: VA6059800 · VIENNA, Virginia 22180

PFAS Detected

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

Population Served
30,000
Total Violations
11
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
9,534
County
Fairfax
School/Daycare
No
MCL Violations
1
Monitoring Violations
6
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 3 2010
Lead and Copper Rule MR 3 2013
Coliform (TCR) MCL 1 1991

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/30/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 8/30/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/30/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/30/2023 <9 µg/L 9 µg/L Not Detected
PFHpS 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/30/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/30/2023 0.0054 µg/L 0.003 µg/L Detected
PFMPA 8/30/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/30/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/30/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/30/2023 0.0038 µg/L 0.003 µg/L Detected
PFDoA 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/30/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/30/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/30/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 8/30/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 8/30/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFOA 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 5/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/21/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/21/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 5/21/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/21/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 5/21/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFTA 5/21/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 5/21/2024 <0.007 µg/L 0.007 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.