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Environmental Protection

Hazardous Waste Post Closure

Approvals for closing Hazardous Waste Posts

Permitted waste facilities must contact DNREC Division of Waste &Hazardous Substances prior closing to ensure proper procedures are followed.

Department: DNREC

Division: Waste and Hazardous Substances

Office: Solid and Hazardous Waste Management Section


Case by case up to 10 year max

Applicable Laws


Applicable Rules and Regulations


Nancy Marker can be contacted by email at and by phone at 302-739-9403.


This search covers most of the frequently requested licenses, certifications, registrations, and filings that the State of Delaware requires. However, this is not a fully exhaustive list of every possible requirement. Please consult with the appropriate state agencies to find out if there are additional requirements you must fulfill.

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