DEEP headquarters at 79 Elm Street in Hartford has partially re-opened to staff and members of the public as of Tuesday, February 3. The DEEP records room has re-opened. The DEEP Central Permit Processing Unit (CPPU) will be open to the public starting on Wednesday, Feb. 4. For updates, click here

Natural Diversity Data Base and Environmental Reviews

Requests for Natural Diversity Data Base State-listed Species Reviews

Find out how to request an environmental review to determine the impact of proposed development projects on state-listed species.

Natural Diversity Data Base Maps

Natural Diversity Data Base maps show approximate locations of state-listed species and important natural communities in Connecticut, and are used to find areas of potential conservation concern.

Contribute Data on State-listed Species

Have you found a state-listed or rare plant, mammal, bird, reptile, amphibian, or invertebrate? Report it to DEEP's Natural Diversity Data Base.

Resources

State Listed Plants and Natural Communities by Town
The Vegetation of Connecticut: A Preliminary Classification, pub. 2006
Connecticut's 13 Most Imperiled Ecosystems
CT Endangered, Threatened, and Special Concern Species List
Endangered, Threatened, and Special Concern Species Fact Sheets
State-listed Species by County
DEEP Scientific Collector Permits
DEEP GIS Open Data Website
CTECO Environmental Conditions Online

Connect with Us

About the Natural Diversity Data Base
Contact the NDDB (Wildlife Division)
CT Fish and Wildlife Facebook page
CT Fish and Wildlife Instagram

Natural Diversity Data Base and Environmental Reviews

Featured Links

Resources

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