Hydrogeologic Framework and Chloride Data for Kings, Queens, and Nassau Counties, Long Island, New York

This data release contains two child item datasets including a compilation of available chloride concentration data in groundwater and related isochlors as well as geospatial data defining the hydrogeologic framework for Kings, Queens, and Nassau Counties in Long Island, New York. These data are accessible as an online webmap: https://ny.water.usgs.gov/maps/lisustainabilityphase1viewer/