PlainWater

DOVER AIR FORCE BASE

PWS ID: DE0000579 · DOVER, Delaware 19901

PFAS Detected

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

Population Served
11,000
Total Violations
17
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Federal
Connections
180
County
Kent
School/Daycare
No
MCL Violations
5
Monitoring Violations
4
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 5 2004
Coliform (TCR) MR 4 2013
Public Notice Other 2 2011

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 9/12/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFBA 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/12/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/12/2023 <0.002 µg/L 0.002 µg/L Not Detected
NEtFOSAA 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/12/2023 <0.006 µg/L 0.006 µg/L Not Detected
6:2 FTS 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/12/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/12/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/12/2023 15.0000 µg/L 9 µg/L Detected
PFTrDA 9/12/2023 <0.007 µg/L 0.007 µg/L Not Detected
ADONA 9/12/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 3/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 3/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 3/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 3/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 3/7/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 3/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 3/7/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 3/7/2023 <0.007 µg/L 0.007 µg/L Not Detected
8:2 FTS 3/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 3/7/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 3/7/2023 17.5000 µg/L 9 µg/L Detected
PFHpS 3/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 3/7/2023 <0.02 µg/L 0.02 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.