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 Pages Categorized With: "Water"

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.

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


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.


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).

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Div. of Water Licensing 302-739-9116
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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


Water Well Licensing Board

The Water Well Licensing Board advises and assists the Secretary of the Department of Natural Resources and Environmental Control (DNREC) in the administration of the Water Well Licensing program.

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Sarah Silves 302-739-9116



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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Boards and Councils

The DNREC Division of Water works with a number of boards and councils that help it manage various programs and provide outside input and advice on permitting, licensing and other issues. Meetings of the these boards and councils are open to the public. They are posted on the DNREC Calendar of Events and on


Division of Water Forms

This page lists application forms for licenses, permits, leases and other regulatory items from the DNREC Division of Water. Applications are being moved to the online DNREC ePermitting system. As they are moved, they will be replaced with links to that system. Eventually, this page will not be needed and will


Residential Services

The Residential Services Section serves property owners and their selected contractors and appointed agents. The scope of services includes drinking water wells, septic systems and other residential activities that affect water resources in the ground. Wastewater Disposal The Wastewater Disposal Program oversees all aspects of the siting,


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.



Approved Septic System Products

The Residential Services Section maintains the following list of septic system products reviewed and approved 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


Maintaining Your Septic System

Properly maintaining your septic system can save you from problems, and expenses. The smaller the amount of wastewater you put through your system, the longer the system will last. Here are ideas for how to manage your system and help it last a long time. [column md=”6″ xclass=”col-xs-12


Septic Systems

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


Well Permits

The DNREC Well Permits Program manages and issues well construction and use permits for wells that withdraw 50,000 gallons per day or less of water. The program also inspects wells and maintains data on the construction and status of all wells for which a well construction or use permit has been issued.


The Delaware Environmental Laboratory

The Delaware Environmental Laboratory is a full-service lab that tests and assesses water, air, soil, hazardous materials and biological samples. The lab helps facilitate the management of Delaware’s natural resources and the protection of Delaware’s water resources. Since its creation in 1949, the mission of the lab has been to aid in


Online Application Submission

The DNREC Division of Water offers online application submission through the Digital DNREC ePermitting system.

Contact Us

Div. of Water Licensing 302-739-9116
All Division of Water licenses can be applied for online. Permit applications


Division of Water Contacts

Director’s Office Steven Smailer, P.G.Directorsteven.smailer@delaware.gov302-739-9949 Jennifer RousheyEnvironmental Administratorjennifer.roushey@delaware.gov302-739-9949 Matthew T. GrabowskiEnvironmental Administratormatthew.grabowski@delaware.gov302-739-9949 Ashley KunderEnvironmental Laboratory Directorashley.kunder@delaware.gov302-739-9942
Mailing and Physical Address Richardson and Robbins Building 89 Kings Highway Dover, DE


DNREC Division of Water

The DNREC Division of Water manages and protects Delaware’s water resources. It performs applied research and provides technical assistance, laboratory services, and regulatory guidance and implementation. Residential Services The Residential Services Section serves property owners,





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