Proposed Plan of Remedial Action for 215-219 N Tatnall St. (DE-1808)

Division of Waste and Hazardous Substances

Published: Dec. 3, 2023
Comments Due: Dec. 26, 2023

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The Department invites public comment on a proposal to clean-up 215-219 N Tatnall St. (DE-1808) located at 215-219 N Tatnall St. in Wilmington. The Site is approximately 0.1 acres and is currently undeveloped, but previously contained rowhouses.

215-219 N Tatnall St. will be subject to the following remedial actions: the development of the Contaminated Materials Management Plan (CMMP), the recording of an Environmental Covenant restricting groundwater withdrawal, and compliance with the CMMP.

Details of the Proposed Plan are available online at:

The comment period ends on December 26, 2023. For additional information, please contact Bill Duy Project Manager at (302) 395-2600 or via email at