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Skip Navigation LinksDNREC : Division of Waste & Hazardous Substances

Before and after photos of a remediated property

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Waste & Hazardous Substances Section and Program Links       

Non-WHS related cleanup and disposal programs:

NEW! Underground Storage Tank Advisory Committee DNREC is forming the new UST advisory committee with the first meeting to be held Oct. 26 from 10 a.m. - noon and to take place at DNREC's Lukens Drive Offices, Conference Room A, 391 Lukens Dr., New Castle, DE 19720. The purpose of the meeting is to exchange ideas with, and solicit feedback from, stakeholders on environmental matters concerning underground storage tanks in Delaware. For more information, or to RSVP for the meeting, please contact Alex Rittberg at 302-395-2500, or by email at:  For more information on the event, please visit:

FALL ISSUE! "Environmental Protection Matters" Read the Fall issue from DNREC's Office of Environmental Protection, which includes the Divisions of Air Quality, Energy & Climate, Water, and Waste & Hazardous Substances. Articles in this issue feature DNREC's Solid and Hazardous Waste Management Section (SHWMS).  Read "Universal Recycling Grants Program Update" and review "Recycling in Delaware" for more information on SHWMS' Universal Recycling Grants and Low Interest Loan Program and materials that are acceptable for recycling. Other articles include:

  • "Cleaner Cars are Driving Delaware" regarding financial incentives for alternative fuel vehicles and charging equipment; 
  • "The Problem with PFAS"  on the emerging contaminants, per- and polyfluoroalkyl substances (PFAS);
  • "EPA Environmental Job Training Success Stories" regarding the terrific West End Neighborhood House and Delaware Tech partnership;
  • "Legislative Update" on the recent amendments to the Jeffrey Davis Aboveground Storage Tank Act and Hazardous Substances Cleanup Act; and,
  • "Did You Know" on the amazing New Castle County Industrial Hazardous Materials Response Alliance (NCCIHMRA). 

NOW AVAILABLE:  DNREC's recycling team offers free onsite waste assessment to schools and businesses to assist with the Universal Recycling requirements. For more information about Universal Recycling, please visit the Division of Waste & Hazardous Substances website or call the Recycling Team at 302-739-9403, ext. 8.  All commercial businesses in Delaware are now required to participate in the comprehensive Universal Recycling Program. This includes for-profit and not-for profit retail or wholesale stores, offices, food service establishments, warehouses, and other manufacturing, industrial or processing activities, and institutions such as social, charitable, educational, healthcare, professional and government services. Learn more about recycling in Delaware including where and how to recycle – bottle returns, composting, recycling grants, and the Recycling Public Advisory Committee. Information about a new Delaware Organics Task Force can be found here.

Learn more about Recycling in Delaware... click here! 

Other Topics of Interest: 

  • U.S. Environmental Protection Agency (EPA) has released an Engineering Evaluation/Cost Analysis (EE/CA) Report for a Removal Action to address contaminated soil and groundwater at the Millsboro TCE Superfund Site located in Millsboro, Sussex County, Delaware. For more information on the EE/CA and the site, please see EPA's fact sheet here.
  • U.S. Environmental Protection Agency (EPA) continues its cleanup effort at the Standard Chlorine of Delaware Superfund Site, also known as the Metachem Site, located in New Castle County, Delaware. EPA has been cleaning up the site in four separate parts called "operable units" or OUs. In early 2016, the EPA announced a proposed Record of Decision (ROD) Amendment for addressing off-site contaminated soils at the site, referred to as Operable Unit 2 (OU-2). More information regarding the EPA's OU-2 Proposed Plan for the ROD Amendment is available here.
  • DNREC's Division of Waste & Hazardous Substances' Site Investigation and Restoration Section (SIRS) and the Division of Watershed Stewardship's Watershed Assessment and Management Section (WAMS) have completed the Phase II regional environmental study of polychlorinated biphenyls (PCBs) across the State of Delaware. More information and the Phase II Report, please click here.
  • Watershed Approach to Toxics Assessment and Remediation  (WATAR) is a watershed-scale approach to the evaluation of contaminant sources, transport pathways and receptors. More information is available here 
  • Annual Toxics Release Inventory (TRI) data now available; decrease in emissions continues in Delaware. Toxics Release Inventory update with latest state emissions figures
  • Delaware Brownfields Marketplace is an interactive database that contains a list of market-ready brownfield sites available for redevelopment in Delaware.
  • Delaware Groundwater Management Zones (GMZs): A GMZ is a delineated land area adjacent to and including a contaminated site where DNREC has determined that new drinking water wells must be restricted in order to protect public health and safety. For more information on GMZs in Delaware, please click here.

Additional information? For more information, visit All (A-Z List)…, an alphabetical list of links to Division of Waste & Hazardous Substances topics.

All (A-Z List)…
Alphabetical list of links to Division of Waste & Hazardous Substances topics.

Including information about on how to properly recycle or dispose of solid, infectious and hazardous waste – from hazardous chemicals to tires; cleanup of dumps, and waste regulation.

Environmental Enforcement
Enforcement-related information about land, water and air.

Hazardous Substances
Information about hazardous substances and their sources – from arsenic to MTBE.


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