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Flood Inundation
USGS Water Data
Flood Event Viewer

Continuous and discrete surface-water, groundwater, and water-quality data are collected to provide long-term hydrologic records critical to investigating hydrology, modeling climate-change, evaluating natural and anthropogenic changes in the hydrologic regime, and providing information on water availability to water managers.

USGS StreamStats

USGS StreamStats Landing Page

StreamStats is a Web-based Geographic Information Systems (GIS) application that provides users with access to an assortment of analytical tools that are useful for a variety of water-resources planning and management purposes.

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USGS NWISWeb

USGS NWISWeb Landing Page

The U.S. Geological Survey's (USGS) National Water Information System (NWIS) is a comprehensive and distributed application that supports the acquisition, processing, and long-term storage of water data.

USGS Water Data

Real-time links - Water Conditions for New York

Real-time and historical water data for New York

New York Water Data
Filter Total Items: 225

Data for Impacts of Alewife and White Perch Introductions on Rainbow Trout Growth in the Ashokan Reservoir, Catskill Mountains, NY Data for Impacts of Alewife and White Perch Introductions on Rainbow Trout Growth in the Ashokan Reservoir, Catskill Mountains, NY

This dataset contains the results from aging and back-calculation of length-at-age of scale samples from 492 Rainbow Trout captured in the Ashokan Reservoir between 1952 and 2016. The first five columns contain collection information including an assigned fish number, the year and period of capture, the basin of the Ashokan Reservoir from which a fish was captured, and the length of the...
By
New York Water Science Center

Geospatial Dataset of Water-Table and Potentiometric-Surface Altitudes in the Upper Glacial, Magothy, and Lloyd Aquifers of Long Island, New York, April-May 2016 Geospatial Dataset of Water-Table and Potentiometric-Surface Altitudes in the Upper Glacial, Magothy, and Lloyd Aquifers of Long Island, New York, April-May 2016

The U.S. Geological Survey (USGS) is providing online maps of water-table and potentiometric-surface altitude in the upper glacial, Magothy, Jameco, Lloyd, and North Shore aquifers on Long Island, New York, April-May 2016. Also provided is a depth-to-water map for Long Island, New York, April-May 2016. The USGS makes these maps and geospatial data available as REST Open Map Services (as...
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New York Water Science Center

Geospatial datasets of AUV observations including bottom dissolved oxygen in Great South Bay, Long Island, New York, August 2016 Geospatial datasets of AUV observations including bottom dissolved oxygen in Great South Bay, Long Island, New York, August 2016

This dataset provides locations and values of water quality parameters from a four-day survey conducted between August 23, 2016 and August 26, 2016 using an Autonomous Underwater Vehicle (AUV) in Great South Bay, New York. Measured parameters include bottom dissolved oxygen (DO), salinity, specific conductance, water temperature, and pH. During the four day period, data was collected...
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New York Water Science Center

Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Schoharie Reservoir, 2014 Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Schoharie Reservoir, 2014

From 2013 to 2015, bathymetric surveys of New York Citys six West of Hudson reservoirs (Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie) were performed to provide updated capacity tables and bathymetric maps. Depths were surveyed with a single-beam echo sounder and real-time kinematic global positioning system (RTK-GPS) along planned transects at predetermined...
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New York Water Science Center

Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Pepacton Reservoir, 2015 Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Pepacton Reservoir, 2015

From 2013 to 2015, bathymetric surveys of New York Citys six West of Hudson reservoirs (Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie) were performed to provide updated capacity tables and bathymetric maps. Depths were surveyed with a single-beam echo sounder and real-time kinematic global positioning system (RTK-GPS) along planned transects at predetermined...
By
New York Water Science Center

Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Rondout Reservoir, 2013 to 2014 Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Rondout Reservoir, 2013 to 2014

From 2013 to 2015, bathymetric surveys of New York Citys six West of Hudson reservoirs (Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie) were performed to provide updated capacity tables and bathymetric maps. Depths were surveyed with a single-beam echo sounder and real-time kinematic global positioning system (RTK-GPS) along planned transects at predetermined...
By
New York Water Science Center

Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Neversink Reservoir, 2014 Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Neversink Reservoir, 2014

From 2013 to 2015, bathymetric surveys of New York Citys six West of Hudson reservoirs (Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie) were performed to provide updated capacity tables and bathymetric maps. Depths were surveyed with a single-beam echo sounder and real-time kinematic global positioning system (RTK-GPS) along planned transects at predetermined...
By
New York Water Science Center

Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Cannonsville Reservoir, 2015 Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Cannonsville Reservoir, 2015

From 2013 to 2015, bathymetric surveys of New York Citys six West of Hudson reservoirs (Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie) were performed to provide updated capacity tables and bathymetric maps. Depths were surveyed with a single-beam echo sounder and real-time kinematic global positioning system (RTK-GPS) along planned transects at predetermined...
By
New York Water Science Center

Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Ashokan Reservoir, 2013 to 2014 Geospatial Bathymetry Dataset and Elevation-Area-Capacity Table for Ashokan Reservoir, 2013 to 2014

From 2013 to 2015, bathymetric surveys of New York Citys six West of Hudson reservoirs (Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie) were performed to provide updated capacity tables and bathymetric maps. Depths were surveyed with a single-beam echo sounder and real-time kinematic global positioning system (RTK-GPS) along planned transects at predetermined...
By
New York Water Science Center

Hormone, pesticide, pharmaceutical and other organic compound data for select water and bed sediment samples collected in Chesapeake Bay watershed in parts of Maryland, Pennsylvania, Virginia, and West Virginia, 2006-2014 Hormone, pesticide, pharmaceutical and other organic compound data for select water and bed sediment samples collected in Chesapeake Bay watershed in parts of Maryland, Pennsylvania, Virginia, and West Virginia, 2006-2014

These data represent water and bed sediment samples analyzed for a variety of organic compounds. The samples were collected in streams and rivers in the Chesapeake Bay watershed from 2006-2014. Water samples were collected from 61 sites and analyzed for hormones (SH2434 method; Tables 1A and 1B), pharmaceuticals (SH2080 method; Tables 2A and 2B), wastewater indicators (SH1433 method...
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Chesapeake Bay Activities, New York Water Science Center

Data for effects of watershed and in-stream liming on macroinvertebrate communities in acidified tributaries to an Adirondack lake Data for effects of watershed and in-stream liming on macroinvertebrate communities in acidified tributaries to an Adirondack lake

In 2012, a program was initiated using in-stream and aerial (whole-watershed) liming to improve water quality and Brook Trout (Salvelinus fontinalis) recruitment in three acidified tributaries of a high-elevation Adirondack lake in New York State. Concurrently, macroinvertebrates were sampled annually between 2013 and 2016 at 3 treated and 3 untreated reference sites to assess the...
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New York Water Science Center

Data for relationships between fish assemblages and acid-base chemistry in streams of the Great Smoky Mountains National Park, 1993-2014 Data for relationships between fish assemblages and acid-base chemistry in streams of the Great Smoky Mountains National Park, 1993-2014

Fish community richness, density, and biomass for entire communities, Brook Trout, Rainbow Trout, and minnows, including site characteristics, and water chemistry (acid neutralizing capacity, pH, nitrate, sulfate, ammonia, calcium, and total aluminum) collected at least once and as many as 13 times at each of 52 stream sites during the same years that fish were inventoried, Great Smoky...
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New York Water Science Center
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