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States → Virginia

WILLIAMSBURG, CITY OF

PWS ID: VA3830850 · WILLIAMSBURG, Virginia 23185

PFAS Detected

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

Population Served
16,300
Total Violations
11
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
5,046
School/Daycare
No
MCL Violations
0
Monitoring Violations
11
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chromium MR 1 1980
Selenium MR 1 1980
BHC-GAMMA MR 1 1980
Mercury MR 1 1980
Toxaphene MR 1 1980
Methoxychlor MR 1 1980
Arsenic MR 1 1980
Barium MR 1 1980
Cadmium MR 1 1980
Endrin MR 1 1980
Fluoride MR 1 1980

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFDoA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/5/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/5/2024 <0.007 µg/L 0.007 µg/L Not Detected
11Cl-PF3OUdS 8/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/5/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 8/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 8/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/5/2024 <9 µg/L 9 µg/L Not Detected
PFBS 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/5/2024 0.0031 µg/L 0.003 µg/L Detected
PFNA 8/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/5/2024 <0.02 µg/L 0.02 µg/L Not Detected
4:2 FTS 4/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 4/25/2024 <9 µg/L 9 µg/L Not Detected
HFPO-DA 4/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 4/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 4/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 4/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 4/25/2024 0.0031 µg/L 0.003 µg/L Detected
PFNA 4/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 4/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 4/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 4/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/25/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 4/25/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 4/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 4/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 4/25/2024 <0.004 µg/L 0.004 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.