The Department of Natural Resources and Environmental Control offers a number of online applications and tools to make it easier to interact with the agency.
Applications are categorized into General, Land-Use, Air Quality, Water Quality, Reporting Tools, Contaminants, Licensing, Permits and Certifications, Enforcement, Fish and Wildlife, and Outdoors and Recreation.
Delaware Environmental Navigator: Map-based application to explore the many types of information collected by DNREC such as permitted facilities, enforcement actions and environmental monitoring.
Flood Planning Tool: A map-based tool to help determine flood risk for homes and businesses and for designing development projects in accordance with floodplain codes.
Ocean, River and Bay Planner: A map-based tool that allows decision-makers, planners and stakeholders to visually assess project impacts for permitting and planning purposes.
Sea Level Rise Inundation Map: An online map view of sea level rise inundation areas. Usually embedded in the Sea Level Rise Inundation web page.
State-Regulated Tidal Wetland Map Index: Map-based index to regulatory maps of Delaware tidal wetlands.
Delaware Freshwater Wetland Toolbox: Learn about freshwater wetlands and view freshwater wetland maps.
Delaware Tax Ditch Map: A web-map of Delaware Tax Ditch boundaries, channels, rights-of-way and other information relating to Tax Ditches.
Delaware Tax Ditch Right-of-Way Search: A map-based tool to search for, and create reports on, tax ditch rights-of-way on specific Delaware property parcels.
Delaware Brownfields Marketplace: A searchable (map-based and text-based) index of brownfield sites available for redevelopment.
Delaware Air Quality Forecast: The latest air quality index and air quality forecast for Delaware.
Pollen Count: Delaware’s pollen count: The latest data on pollen and mold in Delaware.
Delaware’s Air Quality Monitoring Network: A web-map showing the locations of Delaware air quality monitoring stations, with links to the latest readings as well as historical data.
DNREC Water Quality Data Portal: Data search tool for EPA, USGS and National Water Quality Monitoring Council data on Delaware water quality.
Recreational Water Quality Monitoring: Map-based reporting of recreational water quality, including any water quality alerts, with details.
State and Local Emissions Inventory System (SLEIS): Online application for the regulated community to report air emissions. (Login required)
Online Tier II Manager: Online application for facilities required to submit annual hazardous chemical inventory (Tier II) reports (Login required).
Hazardous Waste Handler Notification: Portal for reporting by registered hazardous waste generators (Login required).
Water Usage Reporting: Online submission of water usage reports (Login required).
Wastewater Discharge Monitoring Reports: Online reporting of wastewater discharges (Login required).
Storm Water Notices of Intent: Reporting and search of Notices of Intent (NOIs) for construction-related storm water discharges.
Delaware Environmental Release Notification System (DERNS): A notification system to alert Delawareans to releases or discharges of contaminants or pollutants that meet or exceed certain thresholds in their neighborhoods or throughout the state.
Recent Environmental Releases: A report on the most recent environmental release reports from the DERNS system.
Emission Repair Technician Certification Application: Online application for Emission Repair Technician Certification (Login required).
Gasoline Delivery Vessel (GDV) Application: Online application for a Gasoline Delivery Vessel permit (Login required).
Online Well Permitting Application: Online application for well permits (Login required).
Environmental Enforcement Actions: A searchable listing of all environmental enforcement actions.
Criminal Environmental Enforcement Actions: A listing of criminal charges from environmental offenses in the past 90 days.
Past Administrative and Civil Enforcement Actions: A listing of civil and administrative environmental enforcement actions from 1994 to mid-2001.
Inland Bays Shellfish Aquaculture Map: A map-based tool that provides site-specific information helpful for selecting shellfish aquaculture lease locations in the Inland Bays.
Nuisance Wildlife Control Operators in Delaware: Online database of licensed wildlife control operators.
Mosquito Control Section Spray Zone Map: Online map of mosquito control spray areas, with data (updated daily) to show planned mosquito spraying.
Mosquito Control Request Form: Request service from the Mosquito Control Section.
Report Atlantic Sturgeon: An online reporting app to allow the public to report any interaction with Atlantic Sturgeon, alive or dead.
Conservation Issues: Index of reports (Excel or PDF) on conservation issues, by species and by habitat. Part of the Delaware Wildlife Action Plan.
Species of Greatest Conservation Need: Index of reports (Excel or PDF) on endangered species, by habitat type. Part of the Delaware Wildlife Action Plan.
Delaware State Parks Passes and Surf Fishing Permits: Online sales of annual passes to Delaware State Parks and of surf fishing permits.
Play Outside: A map-based, mobile-friendly app to find parks, natural areas, trails and more.
Delaware Trails and Pathways: A map-based guide to Delaware’s trails and pathways and efforts to increase their number.
Hunter and Trapper Registration: Mobile-friendly collection of applications to help individuals meet legal requirements for hunting and trapping in Delaware.
Fish and Wildlife Automated Licensing System: Online purchasing and printing of hunting and fishing licenses, deer tags, public land use permits, duck stamps and trout stamps.
Delaware Hunter Education System: Online access to hunter education courses and materials (Login required).
Delaware Boat Registration: Online boat registration tools (Login required).