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Interactive Maps

Note: The State Lands Interactive Mapper (SLIM) has been replaced by the DECinfo Locator.

The following interactive online maps are available on the DEC website.

DECinfo Locator

DECinfo Locator is an interactive map that lets you access many DEC documents and other public data about the environmental quality of specific sites in New York State, as well as information about sites for outdoor recreation. More than 50 data layers are available at this time.

NYSHABS Mapper

View DEC's HABs notification map to view locations of current freshwater HABs in New York State. Each yellow dot on the map represents a HAB reported in the past two weeks. Click on a dot for more information, including the date it was reported, the waterbody name, and pictures. Click on the arrow at the bottom of the screen to view a list of reported HABs

Environmental Resource Mapper

The Environmental Resource Mapper is an interactive mapping application that can be used to identify some of New York State's natural resources and environmental features that are state protected, or of conservation concern.

New York Nature Explorer

New York Nature Explorer, a gateway to biodiversity information, is an online tool for finding out about the animals, plants and habitats in your neighborhood or area of interest. Users may choose a county, town, or watershed, or they may specify their own location on a map, and they will receive a list of the animals, plants, and significant natural communities that have been found there.

Hudson Valley Natural Resource Mapper

The Hudson Valley Natural Resource Mapper is a tool for viewing maps of natural features in the Hudson River estuary watershed to inform conservation and land-use planning. Resources shown include estuary habitats, streams, wetlands, forests, and biodiversity areas, as well as Hudson River recreation sites and protected lands.

Mineral Resources Navigator

The Mineral Resources Navigator is an interactive utility to locate mines and oil, gas and other regulated well types. The information is refreshed nightly. Information on these sites are available through this application.

Stormwater Interactive Map

The Stormwater Interactive Map is an interactive mapping application used to look up geographic information related to the Phase II Stormwater Program. It can also be used to find geographic information useful for construction projects, including the geographic coordinates for a site.

EAF Mapper

the EAF Mapper is an interactive tool that helps answer some of the questions on Part 1 of the Environmental Assessment Form that may be required as part of the permit application process.


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