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Groundwater and Streamflow Information

Groundwater and surface water are among the Nation’s most important natural resources. The USGS provides unbiased, timely, and relevant information, studies, and data about water resources of the Nation. The NYWSC maintains a network of more than 300 surface water and 650 groundwater monitoring stations across New York State; over the years, the USGS has collected water-resources data at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands. The data collected at the various sites are synthesized in State-level, interstate, and international studies to evaluate resources not only in one State but also other States and countries that might be affected or may influence the condition of surface water and groundwater. The data collected are used in studies of water supplies, groundwater contamination, flooding, water stored in ice and the oceans, and the effects of climate and land use change and manmade influences.

Filter Total Items: 106

Simulation of Contributing Areas to Selected Public Water-Supply Wellfields in the Valley-Fill Aquifers of New York State

Background For effective wellhead protection, the area where water carrying potential contaminants can enter the groundwater system and flow to the supply well must first be defined, and then best management practices need to be implemented to minimize the opportunity for contamination to occur in areas defined as sources of water to the well. Determination of the sources of water and contributi
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Simulation of Contributing Areas to Selected Public Water-Supply Wellfields in the Valley-Fill Aquifers of New York State

Background For effective wellhead protection, the area where water carrying potential contaminants can enter the groundwater system and flow to the supply well must first be defined, and then best management practices need to be implemented to minimize the opportunity for contamination to occur in areas defined as sources of water to the well. Determination of the sources of water and contributi
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Hydrologic Monitoring in the Central Pine Barrens

The Long Island Central Pine Barrens (CPB) is a large, preserved region of pristine ecological habitat located in eastern parts of Suffolk County, Long Island, NY. The 106,500-acre CPB encompasses portions of the Towns of Brookhaven, Riverhead, and Southampton, and is a core part of the larger Long Island Pine Barrens Maritime Reserve (fig. 1). The CPB overlies portions of Long Island’s federally...
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Hydrologic Monitoring in the Central Pine Barrens

The Long Island Central Pine Barrens (CPB) is a large, preserved region of pristine ecological habitat located in eastern parts of Suffolk County, Long Island, NY. The 106,500-acre CPB encompasses portions of the Towns of Brookhaven, Riverhead, and Southampton, and is a core part of the larger Long Island Pine Barrens Maritime Reserve (fig. 1). The CPB overlies portions of Long Island’s federally...
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Current Water Conditions in New York

• National Water Information System (NWIS): Find water-resources data collected at approximately 1.5 million sites, using menu-based and map-based front ends. • WaterWatch: View maps, graphs, and tables describing real-time, recent, and past streamflow conditions for the United States.
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Current Water Conditions in New York

• National Water Information System (NWIS): Find water-resources data collected at approximately 1.5 million sites, using menu-based and map-based front ends. • WaterWatch: View maps, graphs, and tables describing real-time, recent, and past streamflow conditions for the United States.
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Lake Ontario Flood Monitoring and Mapping

Problem– Lake Ontario experienced period-of-record (1918-2017) maximum monthly average water levels during May through July 2017. NOAA lake gages recorded instantaneous peaks-of record, 249.2 at Olcott, 249.1 at Rochester, and 249.0 at Oswego and St. Vincent. These high water levels along with wind-generated waves caused flooding of thousands of residences and businesses and the erosion of miles o
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Lake Ontario Flood Monitoring and Mapping

Problem– Lake Ontario experienced period-of-record (1918-2017) maximum monthly average water levels during May through July 2017. NOAA lake gages recorded instantaneous peaks-of record, 249.2 at Olcott, 249.1 at Rochester, and 249.0 at Oswego and St. Vincent. These high water levels along with wind-generated waves caused flooding of thousands of residences and businesses and the erosion of miles o
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305b Groundwater Quality Monitoring in New York

Relatively little data describing the quality of groundwater in New York State exists, yet groundwater is used as a source of drinking water by approximately one quarter of the population of the state. The objective of the 305(b) Ambient Groundwater Quality Monitoring project is to quantify and report on ambient groundwater quality from bedrock and glacial-drift aquifers in upstate New York. An...
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305b Groundwater Quality Monitoring in New York

Relatively little data describing the quality of groundwater in New York State exists, yet groundwater is used as a source of drinking water by approximately one quarter of the population of the state. The objective of the 305(b) Ambient Groundwater Quality Monitoring project is to quantify and report on ambient groundwater quality from bedrock and glacial-drift aquifers in upstate New York. An...
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Hudson River Salt Front Data

Tide stage, specific conductance, water temperature, and freshwater inflow at selected Hudson River (New York) gages updated every hour . Water temperature and specific conductance are measured at a depth of 10 feet below NGVD 1929 (mean sea level). These data include PROVISIONAL DATA subject to revision. This information has been made possible by funding from the U.S. Geological Survey...
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Hudson River Salt Front Data

Tide stage, specific conductance, water temperature, and freshwater inflow at selected Hudson River (New York) gages updated every hour . Water temperature and specific conductance are measured at a depth of 10 feet below NGVD 1929 (mean sea level). These data include PROVISIONAL DATA subject to revision. This information has been made possible by funding from the U.S. Geological Survey...
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Monthly Hydrologic Conditions for New York

The U.S. Geological Survey New York Water Science Center’s monthly summary reports and tables of hydrologic conditions for surface and ground water list the station, county, period of record, and several statistics, including color-coded percent exceedance* categories based on average monthly conditions for the period of record at each station.
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Monthly Hydrologic Conditions for New York

The U.S. Geological Survey New York Water Science Center’s monthly summary reports and tables of hydrologic conditions for surface and ground water list the station, county, period of record, and several statistics, including color-coded percent exceedance* categories based on average monthly conditions for the period of record at each station.
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Our Science

The New York Water Science Center conducts research and investigations used across a broad range of industries and other services.
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Our Science

The New York Water Science Center conducts research and investigations used across a broad range of industries and other services.
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U.S. Geological Survey Hydrologic Monitoring on Long Island, New York

The U.S. Geological Survey (USGS) is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and usable information.
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U.S. Geological Survey Hydrologic Monitoring on Long Island, New York

The U.S. Geological Survey (USGS) is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and usable information.
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Long Island Groundwater Network

U.S. Geological Survey Hydrologic Monitoring on Long Island, New York Groundwater is the sole source of water supply for more than 3 million people on Long Island, New York. Large-scale groundwater pumpage, installation of sanitary- and storm-sewer systems, and frequent variations in precipitation all have significant effects on regional groundwater levels and aquifer storage. In order to properly...
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Long Island Groundwater Network

U.S. Geological Survey Hydrologic Monitoring on Long Island, New York Groundwater is the sole source of water supply for more than 3 million people on Long Island, New York. Large-scale groundwater pumpage, installation of sanitary- and storm-sewer systems, and frequent variations in precipitation all have significant effects on regional groundwater levels and aquifer storage. In order to properly...
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Long Island Surface-Water Network

U.S. Geological Survey Hydrologic Monitoring on Long Island, New York M ost streams and lakes on Long Island are hydraulically connected with the shallow groundwater system , and provide a window to the overall health of the underlying aquifer system. These water bodies are usually the first to show changes in the underlying aquifer , so there needs to be a consistent dataset of hydrologic data...
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Long Island Surface-Water Network

U.S. Geological Survey Hydrologic Monitoring on Long Island, New York M ost streams and lakes on Long Island are hydraulically connected with the shallow groundwater system , and provide a window to the overall health of the underlying aquifer system. These water bodies are usually the first to show changes in the underlying aquifer , so there needs to be a consistent dataset of hydrologic data...
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New York Flood Information

For emergency situations, please contact Chris Gazoorian, Surface Water Specialist at the USGS New York Water Science Center or call our general number (518) 285-5600 and follow the directions to leave voicemail which will be immediately forwarded to a responsible party and responded to as quickly as possible.
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New York Flood Information

For emergency situations, please contact Chris Gazoorian, Surface Water Specialist at the USGS New York Water Science Center or call our general number (518) 285-5600 and follow the directions to leave voicemail which will be immediately forwarded to a responsible party and responded to as quickly as possible.
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