Notification of Public Comment for a Brownfield Development Agreement for 320 & 340 South Market Street, Wilmington Site (DE-1761)

Division of Waste and Hazardous Substances

Published: May 9, 2021
Comments Due: June 1, 2021

Pursuant to the Hazardous Substance Cleanup Act (HSCA), 7 Del. C. Chapter 91, §9126, the Department of Natural Resources and Environmental Control (DNREC) is required to issue a public notice within twenty days after entering into negotiations for a Brownfield Development Agreement (BDA). A BDA is an agreement between DNREC and a Brownfield developer with respect to a Certified Brownfield Site that sets forth a scope of work and schedule of remedial activities during the development of the Site.

DNREC’s Remediation Section (DNREC-RS) negotiated a BDA with CSW Luxor VI Wilmington, L.P. regarding the 320 and 340 South Market Street Site, located at 320 & 340 South Market Street, Wilmington, Delaware. Identified by New Castle County as tax parcel numbers 26-050.00-014 and 26-050.00-015, the Site may have had a release of hazardous substances as a result of historical activities on site. For more information, please see DNREC’s navigator at:

The public comment period begins on Monday, May 10, 2021 and will end at the close of business on Tuesday, June 1, 2021. Please submit written comments to the DNREC-RS Project Manager, John Costa at DNREC-RS, 391 Lukens Drive, New Castle, DE 19720. A copy of the BDA is available by accessing the DNREC-RS’ site files database at

Learn more about this Site and other Certified Brownfield sites by accessing the web page at or by contacting the DNREC-RS Project Manager, John Costa at (302) 395-2600 or