Doing business with DNREC during the coronavirus period. More Info

Delaware.gov logo
Listen to this page using ReadSpeaker

 Pages Tagged With: "groundwater"

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
Read More




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.

Read More




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 and New Castle Co.
Read More




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 Site Map Figure 2
Read More




On-Site Wastewater Treatment and Disposal System: NSTU Inc.

NSTU Inc. has applied for an on-site wastewater treatment and disposal system permit for a system designed to accommodate 30 employees; at a site located at 1400 S. Dupont Hwy. in New Castle.
Read More




Virtual Public Hearing: Midway Service Non-Hazardous Liquid Waste Transporters Permit

The DNREC Groundwater Discharges Section has rescheduled a public hearing on Midway Service Inc.’s permit amendment to their Non-Hazardous Liquid Waste Transporters Permit to include Clean Delaware, Inc. as a disposal facility for septage and holding tank waste.
Read More




Non-Hazardous Liquid Waste Transporters Permit: Robinson’s Sewage Disposal

Robinson’s Sewage Disposal has applied to the Groundwater Discharges Section for a renewal of the Non-Hazardous Liquid Waste Transporters Permit which allows for the transport of septage and holding tank waste to be disposed of at the Sussex County Sewer System.
Read More




On-Site Wastewater Treatment and Disposal System

John E & Barbara H Moore have applied for a construction permit for an on-site wastewater treatment and disposal system for four homes located at the intersection of Thompsonville Road and Lynch Road, in Kent County.
Read More




National Pollutant Discharge System Permit: Occidental Chemical Corporation

Occidental Chemical Corporation has applied for reissuance of its permit to discharge treated groundwater and stormwater to the Delaware River and stormwater to the Red Lion Creek from their facility at 1657 River Road in New Castle County.
Read More




Virtual Public Hearing: Mountaire Farms On-Site Wastewater Treatment and Disposal System

The Groundwater Discharges Section will conduct a public hearing on May 21 on the application and draft construction permit and associated modification and renewal draft permit for Mountaire Farms of Delaware, Inc.’s On-Site Wastewater Treatment and Disposal System.
Read More




Groundwater Discharges Section Permit Applications

A listing of recent applications to the Groundwater Discharges Section for permits related to on-site wastewater treatment and disposal and transportation of non-hazardous liquid waste.
Read More




On-Site Systems Advisory Board (OSSAB) Representative Interest

The Ground Water Discharges Section is soliciting Class B and Class C Designers (Professional Engineer) interested in applying for consideration to become a member of the On-Site Systems Advisory Board.
Read More




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.

Contact Us

DNREC Division of Waste
Read More




Non-Hazardous Liquid Waste Transporters Permit: National Property Services LLC

National Property Services LLC has applied to the Groundwater Discharges Section for a Non-Hazardous Liquid Waste Transporters Permit to transport septage and holding tank waste, to be disposed of at the Town of Laurel and Sussex County Sewer System.
Read More




Correction to the Final Plan of Remedial Action for the Osprey Point Subdivision Site (DE-1647)

A correction to a part of the Final Plan of Remedial Action for the Osprey Point Subdivision that was noticed on February 26, 2020.
Read More




Final Plan Of Remedial Action For The Osprey Point Subdivision Site (DE-1647)

The Department has adopted a plan regarding the clean-up of the Osprey Point Subdivision Site located in Rehoboth Beach. The Site, once used as a golf course, requires a restriction on the future use of groundwater at the Site.
Read More




Groundwater Discharges Section: Formal Waivers

A listing of applications from Bridlewood, LLC for Formal Waivers to construct on-site wastewater treatment and disposal systems.
Read More




On-Site Wastewater Treatment and Disposal System Applications

A listing of recent permit applications to the DNREC Groundwater Discharges Section.
Read More




Proposed Plan of Remedial Action for the Osprey Point Subdivision Site (DE-1647)

The Department invites public comment on a proposal to clean-up the Osprey Point Subdivision Site located in Rehoboth Beach. The Site, once used as a golf course, requires a restriction on future use of groundwater at the Site.
Read More




Groundwater Discharges Section Applications

A listing of recent applications to the DNREC Groundwater Discharges Section.
Read More




Non-Hazardous Liquid Waste Transporters Permit Applications

A listing of applications to the DNREC Groundwater Discharges Section for Non-Hazardous Liquid Waste Transporters Permits.
Read More




On-Site Wastewater Treatment And Disposal System Permit Application: MUCE LLP

MUCE LLP has applied for an on-site wastewater treatment and disposal system permit for a system designed to accommodate 1,740 gallons per day generated by a daycare facility. The site is located at 4001 Limestone Rd., in Wilmington.
Read More




Non-Hazardous Liquid Waste Transporters Permit Applications

Applications to the Groundwater Discharges Section for amendments and renewals of Non-Hazardous Liquid Waste Transporters Permits.
Read More




Blades Groundwater Site

The Environmental Protection Agency (EPA) is proposing to add the Blades Groundwater Site to the Superfund National Priorities List (NPL). The NPL is EPA’s list of priority sites with releases of hazardous substances, pollutants or contaminants requiring evaluation for possible remediation.
[collapse type=”success”
Read More




Groundwater Discharges Permit Aplications

A listing of recent permit applications to the DNREC Groundwater Discharges Section.
Read More




Non-Hazardous Liquid Waste Transporters Permit Application: Nelbud Services Group, Inc.

Nelbud Services Group, Inc. has applied to the Groundwater Discharges Section for a renewal of Non-Hazardous Liquid Waste Transporters Permit DE OH-107 which allows for the transport of grease trap waste and/or cooking oil waste to be disposed of at out-of-state permitted facilities.
Read More




On-Site Wastewater Treatment And Disposal System

Summit Land, LLC has submitted an application for a Temporary Holding Tank Permit to serve the Whispering Woods Subdivision, located near the intersection of Boyds Corner and Ratledge Road, in New Castle County.
Read More




Groundwater Discharges Waiver Requests

A listing of applications to the Groundwater Discharges Section for Rural Area Waivers and Formal Waivers of requirements of the groundwater discharges regulations.
Read More




Non-Hazardous Liquid Waste Transporters Permits (Renewals)

United Site Services of MD and Valley Proteins, Inc. have applied for renewals of their Non-Hazardous Liquid Waste Transporters Permits.
Read More




On-Site Wastewater Treatment and Disposal System

Donald M. Mellinger has applied for an innovative & alternative on-site wastewater treatment and disposal system permit designed to accommodate 1,260 gallons per day generated by office buildings and single family residences located at 1072 Yorklyn Road in Hockessin.
Read More




Legal Notice: Proposed Plan of Remedial Action for the Lidl Grocery Store Site (De-1643)

Division of Waste and Hazardous Substances Start Date: 2/10/2019 End Date: 3/4/2019
The Department invites public comment on a proposal to clean up the Lidl Grocery Store Site located in Dover, Delaware.  The approximately 7.23-acre
Read More




Groundwater Discharges Section Fees

The following is a table of fees related to the permitting and licensing programs of the Groundwater Discharges Section of the Division of Water.
On-Site Inspections (Annual) Holding Tank $60
Read More




Groundwater Discharge Licenses

The Groundwater Discharges Section issues licenses for the various professions involved in designing, installing and maintaining on-site wastewater treatment and disposal systems. Licenses are granted under the state’s on-site systems regulations and with input from the On-Site Systems Advisory Board.
[collapse type=”success” title=”Contact
Read More




On-Site Systems Advisory Board

The On-Site Systems Advisory Board advises the Department on the groundwater discharges licensing program. The Board, created in the on-site systems regulations (7 DE Admin. Code, 7101), reviews and approves professional training requirements and courses and makes recommendations for licensing decisions by the Department.

Read More




Innovative and Alternative Systems

In some cases, where site constraints limit the ability to install conventional wastewater treatment systems, the Department may approve innovative or alternative systems. These are alternative technologies that have been proven to provide at least an equivalent level of treatment as the conventional systems used in Delaware. These systems provide advanced treatment for the reduction
Read More




Underground Injection Control

The Groundwater Discharges Section reviews and permits the use of underground injection wells in Delaware. The only injection wells permitted in Delaware are those that are used to inject non-hazardous fluids underground. These are known as Class V wells.

Read More




Spray Irrigation Program Resources

This page provides a general interpretation of existing methods for designing spray irrigation facilities, and also considers the relative effectiveness and limitations of these facilities.
Marlene Baust Groundwater Discharges Section 302-739-9948
Read More




Spray Irrigation Systems

Spray irrigation of reclaimed water has been in use in Delaware since the 1970s. Reclaimed water is water that has been recovered through the treatment of wastewater at wastewater treatment facilities. Once reclaimed water has been properly treated, it can be applied to agricultural fields, golf courses, forests, parks, roadway medians and cemeteries.

Read More




Approved Products

A list of septic system products reviewed and approved by the Groundwater Discharges Section for use in Delaware. The Section also maintains a list of approved innovative and alternative systems that might be used where site constraints limit the ability to install conventional wastewater treatment systems. Approved Products – General [table-wrap
Read More




On-Site Wastewater System Forms

A collection of forms and resources related to the permitting and management of on-site wastewater treatment and disposal systems in Delaware. Site Evaluation Approval Septic Permit Application
Read More




Septic Systems

An on-site wastewater treatment and disposal system – known commonly as a septic system – is a wastewater treatment facility located within your property boundaries that collects, treats and disposes of wastewater from your home or business. This is different from a central or municipal wastewater treatment facility which receives wastewater from other locations for
Read More




Groundwater Discharges Section

The Groundwater Discharges Section oversees all aspects of the siting, design and installation of onsite wastewater treatment and disposal systems (known as septic systems). The Section is organized into two branches.

Contact Us

Ping Wang Groundwater Discharges Section Manager 302-739-9948
Read More




Division of Water Contacts

Virgil R. Holmes, Director Richardson and Robbins Building 89 Kings Highway Dover, DE 19901 302-739-9949
Environmental Laboratory Sergio Huerta, M.D. Laboratory Administrator 302-739-9942

Read More




Groundwater Protection

The Groundwater Protection Branch oversees groundwater protection efforts, the Source Water Assessment and Protection Program, and the Wellhead Protection Program.

Contact

Matthew T. Grabowski Branch Manager 302-739-9945
The hydrologists and environmental scientists
Read More




Construction of Monitor and Observation Wells

Monitor and observation wells constructed in Delaware shall conform to the requirements of the State of Delaware Regulations Governing the Construction and Use of Wells (1997). This document reiterates some of the requirements found in the regulations. It also establishes additional criteria for the design and construction of monitor and observation wells intended to assist
Read More




Division of Water

The Division of Water manages and protects Delaware’s water resources. It provides technical assistance, laboratory services, and regulatory guidance and implementation. And the Division performs applied research and provides educational services.

Water Supply


Read More







+