The Department of Natural Resources and Environmental Control (DNREC) Remediation Section (RS) has adopted an amended plan regarding the clean-up of the 16519 South DuPont Highway Site (DE-1768) (Site) located in Harrington. The Site was a former automotive repair facility that has been split into two operable units, Operable Unit-1 (OU-1) and Operable Unit-2 (OU-2), to facilitate cleanup and redevelopment.

OU-1 and OU-2 require an amended Environmental Covenant limiting the withdrawal of groundwater on the site. OU-1 requires the installation of a vapor mitigation system, development of, and compliance with, an amended Contaminated Materials Management Plan (CMMP), development of, and compliance with, an amended Long-Term Stewardship Plan, and the submittal of a Remedial Action Completion Report.

DNREC issued a public notice of the Amended Proposed Plan of Remedial Action (Amended Proposed Plan) for the 16519 South DuPont Highway (DE-1768) Site on December 24, 2025. There were no comments or questions from the public regarding the Amended Proposed Plan.

Details of the Amended Final Plan are available online at den.dnrec.delaware.gov.

For additional information, please contact:

Nathan Bailey, Project Manager
DNREC- Division of Waste and Hazardous Substances
Remediation Section
391 Lukens Drive, New Castle, DE 19720
DNREC_WHS_REMEDIATIONINBOX@delaware.gov
302-395-2600

Related Topics:  amended plan, clean-up, final plan, public notice, remediation, waste and hazardous substances