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Technical assistance information for the Former Hercules Golf Course Site


ADVISORY: To report spills, odors or DNREC 24-hour hotlineviolations at this site, please contact DNREC’s 24-hour complaint lines. Telephone numbers are 1-800-662-8802, 1-302-739-9401, and #367 for Verizon Wireless customers. 

Project update

April 29, 2010
The development of the site continues with grading and the installation of utilities. Toll Brothers is stockpiling top soil for reuse as individual lots are rough graded and foundations are installed.  Their consultant is taking samples of the top soil as a precautionary measure.

DNREC approved the soil remediation completion report in December 2009. Click here for a summary and here for a section of the report that contains data and sample locations. (The full report, too large to be put online, can be requested through DNREC's Site Investigation and Restoration Branch, located at 391 Lukens Drive, New Castle.) 

Site Information

The former Hercules Golf Course Technical Assistance Site (DE#1323) is located on Hercules Road near Wilmington. To ensure that the cleanup at this site is protective of both human health and the environment, the Department of Natural Resources and Environmental Control (DNREC) has reached a Memorandum of Understanding (MoU) with New Castle County – Department of Land Use (NCCo) regarding the oversight of the cleanup at the site. The essence of the agreement is that NCCo will issue certain permits and approvals contingent on DNREC’s determination that the cleanup has been conducted properly using all relevant technical standards and guidance to assure protection of human health and the environment.

Under the agreement with New Castle County, the next DNREC involvement with the site will be review of results from lot by lot sampling. (See paragraph D.3.f. of the MOU.)

Please contact Stephen Johnson, the project officer, at 302-395-2600, if you have additional questions. 

Related links for the former
Hercules Golf  Course site 

Memorandum of Understanding (MoU) with New Castle County

Hercules Road & Lancaster Pike site history

Remedial Action Plan

Arsenic Information



























































































































Field Reports

Dust Meter Location Map

SIRB Technical Assistance Presentation

Delaware DNREC Brownfields Cleanup Program Overview and Hercules Tract Process

Hercules Research Facility
Hercules Research Facility RCRA Corrective Action (facility adjacent to, but not part of Golf Course facility)

More information on RCRA Corrective Actions

Analytical Data for Research Facility Wells

Public Water Supply Source Water Assessment

Dioxin Information

Additional Site Documents

Public Comments

Response to Comments

Public Meeting Notes


















































































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