7 Código de Admin. de DE 1102 Solicitudes De Permisos De Fuente Menor Natural: Wilson Baker Inc.

Wilson Baker Inc. solicita un permiso de construcción para construir un Sistema de Recuperación de Vapores de Etapa I en sus instalaciones ubicadas en Milton, Delaware.

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7 DE Admin. Code 1102 Natural Minor Permit Applications: Wilson Baker Inc.

Wilson Baker Inc. requests a construction permit for a Stage I Vapor Recovery System in Milton, Delaware.

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7 Código de Admin. de DE 1102 Solicitudes De Permisos De Fuente Menor Natural: Weis Markets Inc.

Weis Markets Inc. solicita un permiso de construcción para construir un Sistema de Recuperación de Vapores de Etapa I en sus instalaciones ubicadas en Middletown, Delaware.

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7 DE Admin. Code 1102 Natural Minor Permit Applications: Weis Markets Inc.

Weis Markets Inc. is requesting a construction permit for a Stage I Vapor Recovery System in Middletown DE.

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Financial assurance for hazardous waste management

Financial assurance for RCRA hazardous waste facilities under the Delaware Department of Natural Resources and Environmental Control (DNREC) ensures that operators have the necessary financial resources to cover closure, post-closure care, and corrective action costs. These requirements are enforced under both state and federal hazardous waste regulations to prevent environmental contamination and protect public health.

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Financial assurance for solid waste management

Financial assurance for solid waste management under the Delaware Department of Natural Resources and Environmental Control (DNREC) ensures that facility owners/operators have the necessary financial resources to cover closure, post-closure care and potential corrective actions. These requirements are designed to protect public health and the environment by ensuring that solid waste facilities remain in compliance

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Notification of Negotiations for a Brownfields Development Agreement for 3, 11, 13 Gordon Street: Wilmington Hope Commission Inc.

DNREC’s Remediation Section is negotiation a Brownfields Development Agreement with Wilmington Hope Commission Inc. for three sites.

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Delaware’s Plastic Carryout Bag Ban

Since July 1, 2022, retailers in the State of Delaware have been required to not provide plastic carryout bags at the point of sale. This is intended to help reduce beach and roadside litter and decrease the impact of plastic bags at the sorting facility that manages material from Delaware’s Universal Recycling program.

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PFAS in Delaware

DNREC and the DHSS Division of Public Health are working with federal agencies to protect the environment and public health in Delaware from the effects of a group of synthetic chemicals known as PFAS. A dual-federal-agency supplemental report released on Dec. 10, 2024, outlines findings from settled dust samples

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PFAS and Drinking Water

The federal Safe Drinking Water Act governs the quality and testing of all public drinking water supplied by water systems in the United States. The EPA works with states, localities and water suppliers to implement drinking water regulations. PFAS Menu

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PFAS and Surface Water

PFAS and other toxic contaminants can enter surface water through overland flow, such as stormwater runoff, through industrial discharges, through atmospheric deposition and through discharge of contaminated groundwater. PFAS Menu

PFAS in Delaware

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PFAS and Wastewater

Nationwide studies since the early 2000s indicate that PFAS exist in influent, effluent and residuals (biosolids) of wastewater treatment plants (Bogdan, D. 2021). Some of the most frequently detected PFAS compounds are PFAAs (perfluoroalkyl acids). This makes wastewater treatment plants important in managing and mitigating the environmental spread of PFAAs and a key participant in protecting both

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Regulations Under Development

The DNREC Division of Waste and Hazardous Substances is committed to transparency and encourages community engagement as it updates and amends state regulations and related documents. This page provides information on items under development. Questions and comments are always welcome as regulations are developed, but every regulatory development will include formal commenting

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East Basin Road Groundwater Site

The U.S. Environmental Protection Agency (EPA) has added the East Basin Road Groundwater Site in New Castle County to the Superfund National Priorities List (NPL). The site is an approximately seven-square mile area surrounding the city of New Castle’s public wells. [modal text=”DNREC Contacts” title=”DNREC Contacts”

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Are You a Solution Provider?

The DNREC Recycling Program offers the Recyclopedia search tool to help consumers find ways to properly dispose of things. The team is always looking for new solutions for recycling and disposing of items. If you offer a solution that might help, the team wants to hear from you. Use the form below to provide

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Recyclopedia: What Can I Recycle in Delaware?

Use the Recyclopedia search tool to find out if something is acceptable to recycle at home, if you need to drop it off, or if it is trash. Use the search bar or scroll through the featured topics below. Use the map search

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Georgetown North Groundwater Site

The U.S. Environmental Protection Agency (EPA) has added the Georgetown North Groundwater Site to the Superfund National Priorities List (NPL). The NPL is EPA’s list of priority sites requiring evaluation for possible remediation from releases of hazardous substances, pollutants or contaminants. [collapse type=”success” title=”DNREC

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Answers About the Brownfields Marketplace

The DNREC Remediation Section welcomes questions about the Brownfields Marketplace. Below are some questions that have been asked in the past and answers to those questions. [button type=”primary”

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Delaware Brownfields Marketplace

The Delaware Brownfields Marketplace lists brownfield sites in Delaware that are available for potential redevelopment. Developers may apply for grants to investigate and clean up these properties and receive liability protection for past environmental contamination. Learn About Brownfields

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Archived Delaware TRI Reports

An archive of state-produced Toxics Release Inventory (TRI) reports for Delaware. Starting with data for 2020, this information is part of a national dataset managed by the US EPA. 2019 TRI Report2019 TRI Facility Profiles 2018 TRI Report2018 TRI Facility Profiles 2017 TRI Report2017

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Delaware Recycles

Recycling conserves valuable natural resources and energy, reduces greenhouse gas emissions and helps us take responsibility for our waste today, as opposed to leaving a burden for future generations. Recycling is an economic engine that has created job opportunities in Delaware and has significantly reduced Delaware’s rate of

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Compliance and Permitting Training

DNREC’s Compliance and Permitting Section (CAPS) offers training on waste management regulations. Some trainings are offered via webinar and recorded for

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Episodic Events for Hazardous Waste Generators

A facility may incur an episodic event — planned or unplanned — wherein an increase in the generation of hazardous wastes exceeds the calendar month quantity limits for the generator’s usual category. Under the regulations, Very Small Quantity Generators and Small Quantity Generators are allowed episodic events. [panel type=”success” heading=”Contact

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PFAS Investigation Sites

This page contains a list of sites being investigated by DNREC for per- and polyfluoroalkyl substances (PFAS) in drinking water, groundwater or surface water in Delaware. DNREC Division of Waste and Hazardous Substances Todd Keyser 302-395-2600

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Exposure Assessment Near New Castle Air National Guard Base

In 2019, the Centers for Disease Control and Prevention (CDC) and the Agency for Toxic Substances and Disease Registry (ATSDR) initiated an exposure assessment for perf- and polyfluoroalkyl substances (PFAS) in the community near the New Castle Air National Guard Base in New Castle County. [panel

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Solid and Hazardous Waste Transporter Permits

The transportation of non-hazardous solid waste (including scrap tires and infectious waste), and hazardous waste (including used oil), is subject to regulation in Delaware.

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Voluntary Cleanup Program

DNREC’s Voluntary Cleanup Program (VCP) is available to all parties who may be liable for the contamination of a property, but who wish to settle their liabilities with the Department of Natural Resources and Environmental Control under the Hazardous Substance Cleanup Act (HSCA).

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HSCA State Lead and Enforcement Programs

Delaware’s Hazardous Substance Cleanup Act (HSCA) (7 Del.C. Ch. 91) provides DNREC with the authority to take enforcement actions against responsible parties to ensure cleanup at sites with a release, or imminent threat of release, of hazardous substances. Remediation Section 391 Lukens Drive New

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Hazardous Waste Corrective Action

Corrective action is required under the federal Resource Conservation and Recovery Act (RCRA) for facilities that treat, store or dispose of hazardous wastes. The Act requires hazardous waste facilities to investigate and clean up releases of hazardous waste or constituents in soil, groundwater, surface water and air.

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Natural Resource Damage Assessment and Restoration

Natural Resource Damage Assessment and Restoration (NRDAR) is the process used to determine whether natural resources have been injured, destroyed, or lost as a result of a release of hazardous substances or oil, and to identify actions and funds needed to restore such resources. NRDAR is authorized by several state and federal environmental laws.

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HSCA Advisory Committee

The Hazardous Substance Cleanup Act (HSCA) Advisory Committee advises the Division of Waste and Hazardous Substances on rules, policies, and procedures relating to the cleanup and re-use of hazardous waste sites.

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Loans and Grants

Because of the the financial burden of completing environmental work at potentially contaminated properties within the State, DNREC has created different loans and grants to help property owners with remediation of contaminated properties. Remediation Section 391 Lukens Drive New Castle,

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Long-Term Stewardship

Long-term stewardship (LTS) is the maintenance and monitoring of the remedial measures taken at a site to maintain the desired level of protection of human health and the environment over an extended period of time. Remediation Section 391 Lukens Drive New

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Federal Programs

Various federal programs apply to sites being addressed by the DNREC Remediation Section.

National Priorities List (NPL) National Priorities List (NPL) sites are sites that pose a long term remedial response action that are carried out by EPA with DNREC involvement and assistance. EPA is the

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Environmental Investigation and Remediation Consultants

The Division of Waste and Hazardous Substances maintains a list of environmental investigation and remediation consultants. This list is provided to the regulated community to help select an environmental consultant for the investigation and remediation of leaking underground and aboveground storage tank sites. [modal text=”How to Get On This

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Risk Assessment and Cleanup Standards

The DNREC Division of Waste and Hazardous Substances sets standards for risk assessment and cleanup and remediation planning for contaminated sites. Cleanup and remediation are governed under the Delaware Hazardous Substance Cleanup Act, known as HSCA (7 Del. C. Ch.91). The HSCA Human Health Risk Assessment Guidance

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Remediation Laws, Regulations and Guidance

Information regarding the laws, regulations, guidance, policies, standard operating procedures (SOPs) and other documents related to the programs administered by DNREC Remediation Section. The resources listed here are mostly PDF files, readable using Adobe

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Hazardous Substance Cleanup Act Program

The Delaware Hazardous Substance Cleanup Act (HSCA) gives DNREC the ability to ensure cleanup of facilities with a release or imminent threat of release of hazardous substances.

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Accidental Release Prevention

The DNREC Accidental Release Prevention (ARP) Program ensures that facilities that use Extremely Hazardous Substances (EHS) maintain Risk Management Plans (RMP). Facilities regulated by

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PCB Mass Loading Studies

The DNREC Division of Waste and Hazardous Substances and Division of Watershed Stewardship are working together to study polychlorinated biphenyls (PCBs) and how they enter surface waters from hazardous substance release sites around the state. Phase I Summary [button type=”primary”

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A Watershed Approach

The Watershed Approach to Toxics Assessment and Restoration (WATAR) is a watershed-scale approach to evaluating where contamination comes from, how it gets into Delaware’s waterways and water bodies, and what effects it has on watershed health. [panel type=”success” heading=”Contact

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PCB Mass Loading Studies: Phase II Report

The phase II report from the DNREC initiative to study polychlorinated biphenyls (PCBs) and how they enter surface waters from hazardous substance release sites around the state. PCB Mass Loading from Hazardous Substance Release Sites to Surface Waters in New Castle, Kent and Sussex Counties Part 1 — Summary

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PCB Mass Loading Studies: Phase I Report

The phase I report from the DNREC initiative to study polychlorinated biphenyls (PCBs) and how they enter surface waters from hazardous substance release sites around the state. PCB Mass Loading from Hazardous Substance Release Sites to Surface Waters of the Christina River Basin Report Summary Figure 1 Evaluated

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State Emergency Response Team

The State Emergency Response Team (SERT) responds to releases of oil and hazardous materials including non-fixed facility radiological releases in the State of Delaware. Incidents can range from transportation-related spills to major threats such as weapons of mass destruction. The SERT consists of the DNREC Emergency Response Team, the Delaware Emergency Management

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Responding to Environmental Emergencies

The DNREC Emergency Response Branch is responsible for responding to petroleum and hazardous materials incidents in the state. Incidents can range from transportation-related spills to major threats such as weapons of mass destruction. DNREC Emergency Response 155 Commerce Way, Suite B

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Emergency Response and Strategic Services

The DNREC Emergency Response and Strategic Services Section oversees emergency response, accidental release prevention, emergency planning and community right-to-know, and boiler safety programs. It assists with public communications and manages financial and paralegal support for the Division of Waste and Hazardous Substances.

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Large Quantity Generators

If a facility generates hazardous waste in quantities greater than 1,000 kilograms (≈2,200 pounds) or generates acutely hazardous waste in quantities greater than 1 kilogram (≈2.2 pounds) in a calendar month, that facility is defined, under Delaware’s Regulations Governing Hazardous Waste, as a Large Quantity Generator (LQG). [panel type=”success” heading=”Contact

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Electronic Waste

In this world of rapidly changing technology, disposal of electronic waste (e-waste) has created a growing waste stream. The Division of Waste and Hazardous Substances provides guidance for the management of these wastes by businesses under the state’s hazardous waste regulations.

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Universal Waste Rule

Universal wastes are items that are generated by a large number of businesses in relatively small quantities. Five hazardous wastes are identified as universal wastes under Section 273 of Delaware’s Regulations Governing Hazardous Waste. They are batteries, mercury-containing equipment, obsolete agricultural pesticides, lamps and aerosol cans. [panel type=”success” heading=”Contact Us”

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Solvent-Contaminated Cloth Wipes

The Delaware Department of Natural Resources and Environmental Control, Compliance and Permitting Section provides the following guidance on the management of cloth wipes, including shop towels, and rags contaminated with hazardous wastes identified via characteristic or listing in the Delaware Regulations Governing Hazardous Waste (7 DE Admin. Code 1302).

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