The Department of Natural Resources and Environmental Control (DNREC) Remediation Section (RS) has adopted a plan regarding the clean-up of Operable Unit 1 (OU-1) of the Former New Arc Welding Site (DE-1345) (Site), located in Wilmington. The Site has had various industrial uses, including oil refining, car manufacturing, paper and twine manufacturing, also as a motorcycle shop, and more recently, metal welding, fabricating, and coating. Currently, OU-1 of the Site is utilized for trailer storage.

The following remedial actions are required for the Site: restrictions on site use to non-residential and on the withdrawal of groundwater at the Site.

DNREC issued a public notice of the Proposed Plan of Remedial Action (Proposed Plan) for OU-1 of the Site on December 17, 2025. There were no comments or questions from the public regarding the Proposed Plan.

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

For additional information, please contact:

Lindsay Hall, 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:  clean-up, final plan, public notice, remediation, waste and hazardous substances