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Filters Date Range Past year (3) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Project (3) Shapefile (3) ArcGIS Service Definition (1) Types Map Service (3) OGC WFS Layer (3) OGC WMS Layer (3) Shapefile (3) ArcGIS REST Map Service (1) ArcGIS Service Definition (1) Contacts New York Water Science Center Cooperative Water Program Arthur G Lilienthal NYC Department of Environmental Protection NYS Department of Environmental Conservation City of Ithaca Categories Data (3) Project (3) Tag Types Label (7) Tags (with Scheme=(none)) bathymetry (1) cascadilla creek (1) cayuga inlet (1) fall creek (1) sixmile creek (1) surface water (1) water use (1) View Results as: JSON ATOM CSV

Bathymetry of New York City's West of Hudson Reservoirs Background Every day, the New York City Department of Environmental Protection (DEP) supplies more than one billion gallons of drinking water to more than nine million people. To do this, the DEP maintains an extensive network of reservoirs and aqueducts. A major part of this system, the West of Hudson (WOH) network, in the Delaware and Hudson River drainages, includes six reservoirs (fig. 1) – Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie – which were constructed from the early 1900s to the 1960s and have an estimated combined storage capacity of more than 460 billion gallons. Problem and Objective The daily and seasonal management of the WOH reservoirs by DEP depends on accurate bathymetric... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Ashokan Reservoir, Cannonsville Reservoir, Completed, Cooperative Water Program, Delaware River Basin, All tags... Neversink Reservoir, New York, Pepacton Reservoir, Rondout Reservoir, Schoharie Reservoir, USGS New York Water Science Center, WQ Model, WSC, Water Use, Water Use, Water Use and Availability Science, Water Use and Availability Science, Water use, Water-Use, Water-Use, bathymetry, water use, Fewer tags Surface-water Quality in the Mohawk River Basin (Pilot RIBS/TMDL) Problem The quality of surface water has important effects on human and ecological health. Surface water is an important drinking water source and is used for swimming, fishing, and recreation, and the quality of surface water can have profound effects on the health, diversity, and resilience of ecological communities. The New York State Department of Environmental Conservation (NYSDEC) is tasked by the U.S. Environmental Protection Agency (USEPA) to monitor ambient water quality of the State. The NYSDEC is also tasked to develop Total Maximum Daily Loads (TMDLs) for state waters that fail to meet their intended use. A critical first step in maintaining high quality of surface-water is assessment of existing... Categories: Data, Project; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cooperative Water Program, GW or SW, GW or SW, GW or SW, Mohawk River Basin, All tags... Mohawk River Basin, New York, Surface-Water Quality Monitoring, Surface-Water Quality Monitoring, Surface-Water-Quality Monitoring, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Quality, Water quality, Water quality, surface water, Fewer tags Flood-Inundation Maps for Four Stream Reaches, Ithaca, Tompkins County, New York Problem The City of Ithaca, Tompkins County, N.Y., is in the process of developing a flood management plan for the streams that flow through the City. Flooding in the City is an annual problem caused by a variety of distinct and sometimes interconnected reasons. Flooding often is a result of snowmelt and rain during the winter and spring. Slow ice-melt and breakup can lead to ice jams and subsequent flooding. Flash floods are produced by summer thunderstorms. All of these flood types are compounded by two factors: the storm-sewer system in the City and the elevation of Cayuga Lake. The storm sewers drain to the nearby streams at points below the tops of the streambanks. Because the streamward ends of the storm sewers... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cascadilla Creek, Cayuga Inlet, Cooperative Water Program, Fall Creek, Flood Inundation, All tags... Flood Inundation, Flood Inundation, Flood Science, Flood Science, Flood Science, Floods and Droughts, Ithaca, NY, New York, Sixmile Creek, Tompkins County, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, Fewer tags