Skip to Page Content Governor | General Assembly | Courts | Elected Officials | State Agencies
  Photo: Featured Delaware Photo
  Phone Numbers   Mobile   Help   Size   Print   Email

Skip Navigation LinksDNREC : Division of Waste & Hazardous Substances

Before and after photos of a remediated property

24-Hour Environmental Complaint and Spill Line
DNREC's 24HR Complaint Line logo

Division of Waste & Hazardous Substances Section and Program links       

Non-WHS related cleanup and disposal programs:

UPDATE: DNREC finalized the Proposed Amendments to the AST Regulations as published in the April 1, 2017 State Register of Regulations. The effective date of the amendments is April 11, 2017. Pursuant to 7 Del. C. §6008, any person whose interest is substantially affected by these regulations may submit an appeal to the Environmental Appeals Board within 20 days of publishing the Secretary’s decision (Secretary's Order No. 2017-WH-0013) in the Register. Requests for an appeal on this matter can be sent to: Jeffrey Healy, DNREC, Richardson & Robbins Building, 89 Kings Highway, Dover, DE 19901.

ADVISORY: DNREC will be conducting several Underground Storage Tank Advisory Committee (USTAC) meetings this spring to continue working on the Draft Amendments to the Underground Storage Tank Regulations. The meetings will be held at DNREC’s New Castle Office located at 391 Lukens Drive, New Castle, DE 19720 and are scheduled on the following dates and times: 

For questions, or to provide feedback to DNREC on the Initial Draft of the Regulations, please send an email to or call Alex Rittberg at 302-395-2500. Information from prior meetings can be found here.  

ADVISORY: Information is available on the Newark South Groundwater Plume Site, where DNREC has requested US Environmental Protection Agency assistance in finding the source or sources of contaminants that have required successful treatment for almost two decades of the City of Newark's water supply.

UST CLOSURE ASSISTANCE: DNREC's Heating Fuel Underground Storage Tank Closure Assistance Program for heating fuel UST systems of 1,100 gallons or less used to store fuel to heat the premises where they are located. 

FINAL ISSUE! "Environmental Protection Matters" Read the last 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 & 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.


Retrieving Data





site map   |   about this site   |    contact us   |    translate   |