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Skip Navigation LinksDNREC : Division of Waste & Hazardous Substances

General FAQs


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What does DNREC’s Division of Waste & Hazardous Substances oversee?

The division oversees the handling, transfer, storage, disposal, and management of solid waste and hazardous materials through regulations, monitoring, inspections, emergency response, and environmental regulation enforcement. The Division of Waste & Hazardous Substances is also responsible for managing above-ground and underground storage tank sites, boiler safety, and hazardous waste sites throughout Delaware. Click here for quick reference phone numbers. For more information on the sections and programs within the division, please click on the links below:  

How can I get information from the Division of Waste & Hazardous Substances?

For general information, please feel free to call the Division of Waste & Hazardous Substances directly at 302.395.9400.  Sections within the division may be reached by clicking here for quick reference phone numbers

Information can also be obtained from the Department through the Freedom of Information Act, or FOIA. The process is generally used to obtain public documents such as facility permits or for Department correspondence. FOIA requests can be filed online or by writing a letter to the FIOA Coordinator, Division of Waste & Hazardous Substances, 89 Kings Highway, Dover, DE 19901. Generally, the more specific your request, the faster we will be able to respond.

How do I find out how to contact a specific program or where it is in the Division’s organization?

If you are looking for a phone number for a specific program, please click Contact Us. This phone list is broken down by topic areas and staff contacts for easy reference.  You can also find specific phone numbers in WHS Sections. This page provides basic information about each of the division’s units and includes contact names, numbers and addresses.


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