Amended Proposed Plan of Remedial Action for Cavaliers Country Club OU-1B (DE-1600)

Division of Waste and Hazardous Substances
Start Date: September 15, 2019
End Date: October 7, 2019

The Department invites public comment on a proposal to clean-up Cavaliers Country Club –  Operable Unit 1B (OU-1B or Site) located at 100 Addison Drive in Newark. The Site is part of a former 18-hole golf course that has been divided into three operable units, OU-1A, OU-1B and OU-2, to facilitate cleanup and redevelopment. Cavaliers Country Club-OU-1B consists of approximately 70 acres located on the eastern portion of the 18-hole golf course including the club house and parking lot.

Cavaliers Country Club OU-1B will be subject to the following remedial actions:  the submittal of a Remedial Action Work Plan which specifies the methods to be used to remediate the site including the removal and disposal of primarily arsenic-impacted soils, blending of arsenic-impacted soils, or the possibility of capping impacted soils with impervious material (e.g., buildings, asphalt, or concrete) to meet DNREC Hazardous Substance Cleanup Act (HSCA) standards for all contaminants, termination of the active pumping system between the Christina River and Lake Julian, development and implementation of a Long-Term Stewardship (LTS) Plan (if found applicable), development and compliance with the Contaminated Materials Management Plan (CMMP), and the recording of an Environmental Covenant restricting property use types (if applicable), interference with the remedy, and limiting groundwater withdrawal.   

Details of the Amended Proposed Plan are available at the office of DNREC-Remediation Section (391 Lukens Drive, New Castle, DE, 19720) or online at:

The comment period ends on October 7, 2019. For additional information, please contact Caleb Melvin, Project Manager at (302) 395-2600 or via email at

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