PFAS Investigation Sites

This page contains a list of sites being investigated by DNREC for per- and polyfluoroalkyl substances (PFAS) in drinking water, groundwater or surface water in Delaware.

Contact Us

DNREC Division of Waste and Hazardous Substances
Todd Keyser

DNREC Division of Water
Douglas Rambo

DHSS Office of Drinking Water

Learn more about an exposure assessment initiated by the CDC and the Agency for Toxic Substances and Disease Registry in the community near the New Castle Air National Guard Base.

Each listing includes the location and the site identification number used in the Delaware Environmental Navigator (DEN), which includes electronic copies of reports, studies, analysis, correspondence and quarterly sampling results for each site.

Sites in New Castle County

DE-1789 — Red Clay Calf Run PFAS
Mitch Road and Stanton Road, Wilmington

DE-0363 — 0 E Basin Road, New Castle PFOS-PFOA
0 E Basin Road, New Castle, DE 19720

DE-1003 — Delaware Air National Guard
New Castle County Airport, 151 North DuPont Highway, New Castle, DE 19720

DE-0357 — New Castle County Airport
151 North Dupont Highway, New Castle, DE 19720

DE-1317 — Hockessin Groundwater
Hockessin, DE 19707

DE-0016 — Harry Wood Landfill
Route 273, Near Hares Corner, New Castle, DE 19720

DE-0001 — Army Creek Landfill
US Route 13 and US Route 40, New Castle, DE 19720

DE-0017 — Delaware Sand and Gravel
757 Grantham Lane, New Castle, DE 19720

Sites in Kent County

DE-1794 — Forrest Avenue PFAS
1368 Rose Valley School Road, Dover, DE  19904

DE-0031 — Dover Air Force Base (5 Areas)
Dover Air Force Base, Dover, DE 19902

DE-1718 — DSFS Dover Study
Chestnut Grove Road and Fire School Road, Dover, DE 19904

Sites in Sussex County

DE-1782 — Atlantic Avenue PFAS
35753 Bethany Crest Lane, Millville, DE  19970

DE-1710 — Bayside PFAS
Lighthouse Road and Sound Church Road, Selbyville, DE  19975

DE-1675 — Blades Groundwater
20 West Fourth Street, Blades, DE 19973
Find more information on the Blades Groundwater site

DE-0042 — NCR Corp
499 Mitchell Street, Millsboro, DE 19966