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States → Delaware

DEWEY BEACH WATER DEPARTMENT

PWS ID: DE0000825 · FRANKFORD, Delaware 19945

PFAS Detected

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

Population Served
31,000
Total Violations
4
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,771
County
Sussex
School/Daycare
No
MCL Violations
0
Monitoring Violations
4
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 4 2009

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 9 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFBA 6/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 6/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/17/2024 0.0081 µg/L 0.004 µg/L Detected
PFOS 6/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 6/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 6/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/17/2024 0.0050 µg/L 0.003 µg/L Detected
6:2 FTS 6/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 6/17/2024 <0.02 µg/L 0.02 µg/L Not Detected
9Cl-PF3ONS 6/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 6/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpS 6/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 6/17/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 6/17/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFHxA 6/17/2024 0.0036 µg/L 0.003 µg/L Detected
PFMBA 6/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 6/17/2024 <0.006 µg/L 0.006 µg/L Not Detected
4:2 FTS 6/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/17/2024 <9 µg/L 9 µg/L Not Detected
PFPeS 6/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 6/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 6/17/2024 0.0038 µg/L 0.003 µg/L Detected
PFMPA 6/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 6/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 12/9/2024 0.0035 µg/L 0.003 µg/L Detected
ADONA 12/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 12/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 12/9/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBA 12/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 12/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 12/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 12/9/2024 <9 µg/L 9 µg/L Not Detected
PFPeA 12/9/2024 0.0035 µg/L 0.003 µg/L Detected
PFMBA 12/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 12/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 12/9/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 12/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 12/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 12/9/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFDoA 12/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 12/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 12/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 12/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 12/9/2024 <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.