A listing of permits for water wells. The dataset includes information such as location (tax parcel), capacity, date and permit number. Specific location data, for some well types, is redacted per state law.

A listing of permits for the installation of small (individual structure) and large (multi-structure) septic systems. This dataset includes information such as location (tax parcel), size and capacity, date, and permit number.

The Outdoor Recreation Inventory (ORI) was originally created to track publicly owned lands within Delaware that are open for public recreation. The database has since been expanded to include all publicly and privately owned protected lands (Federal, State, County, Municipal and private conservation) regardless of whether or not they are open to the public.

Counts of waterfowl found in regular aerial surveys of Delaware waterfowl habitat areas.