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 Pages Tagged With: "groundwater"

Temporary Holding Tank: Estuary Development, LLC

Estuary Development, LLC has applied for a permit for a temporary holding tank to serve 25 dwellings located at Sea Lions Court, in Sussex County.


Construction of Monitor and Observation Wells

Monitor and observation wells constructed in Delaware must conform to the requirements of the Delaware Regulations Governing the Construction and Use of Wells (7 DE Admin. Code 7301). This page reiterates some of the requirements found in the regulations. It also establishes additional criteria for the design and construction of monitor and observation


Underground Injection Control

The Division of Water reviews and permits the use of underground injection wells in Delaware.

Contact Us

Div. of Water 302-739-9948
Online Applications Div. of Water Permit Fees



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.

Contact Us

Marlene Baust 302-739-9948
Online Applications Div. of Water


Non-Hazardous Liquid Waste Transporters

The DNREC Division of Water issues permits to Non-Hazardous Liquid Waste Transporters under the Delaware Regulations Governing the Design, Installation and Operation of On-Site Wastewater Treatment and Disposal Systems (7 DE Admin. Code 7101).

Contact Us

Div. of Water 302-739-9948
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Groundwater Discharge Licenses

The DNREC Division of Water 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.

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Div. of


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.
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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.
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Groundwater Discharges Permit Applications

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


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.
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Groundwater Discharges Permits

US Home has applied for a Temporary Holding Tank Permit to accommodate 11,700 gallons per day of wastewater from a site located northeast of the intersection of Lizard Hill and Peppers Corner roads, in Sussex County.


Groundwater Discharges Section Applications

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


Groundwater Discharges Applications

A list of recent permit applications submitted to the DNREC Groundwater Discharges Section.


Groundwater Discharges Formal Waiver: Sam Tano

Sam Tano has applied for a formal Waiver to install an on-site wastewater treatment and disposal system on a property in Kings Crossing near Lincoln.


Groundwater Discharges Applications

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


On-Site Wastewater Treatment and Disposal System: Blue Diamond Park

Blue Diamond Park has submitted an application for a Temporary Holding Tank Permit for a site at 780 S DuPont Hwy, in New Castle County.


On-Site Wastewater Treatment and Disposal System: Iglesia Pentecostal La Senda Antigua-Milford

Iglesia Pentecostal La Senda Antigua-Milford, Inc has applied for a permit to construct an on-site wastewater treatment and disposal system on their property on the north side of Johnson Road west of Coastal Highway near Lincoln.


Spray Irrigation Permit: Hy-Point Dairy Farms

Hy-Point Dairy Farms has applied for renewal of a permit to spray irrigate screened milk and beverage processing wastewater at their facility on the north side of Beaver Valley Rd., approximately 0.5 miles west of Route 202, in New Castle County.


Non-Hazardous Liquid Waste Transporters Permits

A listing of recent applications to the DNREC Groundwater Discharges Section for permits to transport grease trap waste and/or cooking oil waste, septage and holding tank waste, to be disposed of at permitted facilities.


Non-Hazardous Liquid Waste Transporters Permit: JG Environmental

JG Environmental has applied for renewal of a permit to transport non-hazardous liquid waste to be disposed of at out-of-state permitted facilities.


On-Site Wastewater Treatment and Disposal System Applications

A listing of permit applications submitted to the DNREC Groundwater Discharges Section.


Groundwater Discharges Applications

A listing of recent permit and waiver applications to the DNREC Groundwater Discharges Section.


On-Site Wastewater Treatment and Disposal System Notices

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


Groundwater Discharges Section Permit Applications

A list of recent permit applications submitted to the DNREC Groundwater Discharges Section.


Groundwater Discharges Section Permit Applications

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


On-Site Wastewater Treatment and Disposal System

James-Heather Lynch has applied for an on-site wastewater treatment and disposal system permit to serve an assisted living facility at 207 Ruth Drive, in Middletown.


Groundwater Discharges Section Permit Applications

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


Groundwater Discharges Section Permit Applications

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


Groundwater Discharges Permit Applications

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


Groundwater Discharges Applications

A list of recent permit applications to the DNREC Groundwater Discharges Section.


Non-Hazardous Liquid Waste Transporters Permit: Waste Masters Solutions LLC

Waste Masters Solutions LLC has applied for renewal of a permit to transport portable toilet waste to be disposed of at the New Castle and Kent County Sewer Systems.


Groundwater Discharges Permit Applications

A collection of permit applications to the DNREC Groundwater Discharges Section.


Groundwater Discharges Section Applications

A listing of applications to the DNREC Groundwater Discharges Section for a Non-Hazardous Liquid Waste Transporters Permit and for Rural Area Waivers to construct septic systems.


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.

Contact Us

Remediation Section 391 Lukens


On-Site Wastewater Treatment and Disposal System: Newton Farms, LLC

Newton Farms has applied for a permit to install an on-site wastewater treatment and disposal system on their property at the southeast corner of Emma Jane Road and E. Newton Road, near Bridgeville.


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


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.
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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


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


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.


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.


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.


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.


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.


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.


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.


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.


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 and Hazardous


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.


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.





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