PlainWater
States → Virginia

NATIONAL AIRPORT

PWS ID: VA6013080 · WASHINGTON, Virginia 20001

PFAS Detected

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

Population Served
28,055
Total Violations
6
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
42
County
Arlington
School/Daycare
No
MCL Violations
1
Monitoring Violations
4
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 2 1991
Combined Radium (-226 and -228) MR 1 1977
Coliform (TCR) MCL 1 1994
Gross Alpha, Excl. Radon and U MR 1 1977

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 9/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/28/2023 0.0040 µg/L 0.003 µg/L Detected
PFOS 9/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 9/28/2023 0.0040 µg/L 0.003 µg/L Detected
NMeFOSAA 9/28/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 9/28/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFHpA 9/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/28/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFEESA 9/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/28/2023 <0.02 µg/L 0.02 µg/L Not Detected
lithium 9/28/2023 <9 µg/L 9 µg/L Not Detected
PFMBA 9/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/28/2023 0.0060 µg/L 0.003 µg/L Detected
PFMPA 9/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 9/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 6/13/2023 <0.007 µg/L 0.007 µg/L Not Detected
HFPO-DA 6/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/13/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 6/13/2023 0.0030 µg/L 0.003 µg/L Detected
PFDoA 6/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/13/2023 0.0070 µg/L 0.005 µg/L Detected
lithium 6/13/2023 <9 µg/L 9 µg/L Not Detected
PFOA 6/13/2023 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 6/13/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/13/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 6/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/13/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/13/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/13/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/13/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFUnA 6/13/2023 <0.002 µg/L 0.002 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.