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Lloyd and North Shore Aquifers: Water Level Data, April-May 2016

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 09:44 PM | Dataset Last Updated: April 30, 2026 at 12:00 AM
This point shapefile consists of digital points that represent water level altitudes in the Lloyd and North Shore aquifers of Long Island, New York. The U.S. Geological Survey measured 55 observation wells and 5 supply wells screened in the Lloyd aquifer and the contiguous and hydraulically connected North Shore aquifer. This point shapefile is a digital representation of the water levels presented in sheet 3 of Scientific Investigations Map 3398.

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