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Assessment of Nutrient Loading to Jamaica Bay, Gateway National Recreation Area, New York Significant changes in nitrogen loads to Jamaica Bay have likely occurred with progressive improvements to Water Pollution Control Plants (WCWPs) that discharge into the Bay. Data available from the New York City Department of Environmental Protection and others will be used to determine loads from WPCPs, combined sewer overflows, and the atmosphere. Selected wells within the USGS water quality database, including those near the landfills that are immediately adjacent to Jamaica Bay, will be used to determine concentrations of nutrients in shallow ground water that enter the bay from ground water seepage. To facilitate evaluation of ground water loads, an existing USGS Finite element model that simulates sub... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Coastal Science, Coastal Science, Completed, Cooperative Water Program, GW or SW, All tags... GW or SW, GW or SW, Gateway National Recreation Area, Groundwater-Quality Monitoring, Groundwater-Quality Monitoring, Groundwater-Quality Monitoring, Jamaica Bay NY, NY, Nearshore Environmental Health, Nearshore Environmental Health, Nearshore Environmental Health, New York, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Quality, Water quality, groundwater, wells, Fewer tags Groundwater Availability of the Northern Atlantic Coastal Plain Background The North Atlantic Coastal Plain (NACP) covers a land area of approximately 34,000 mi 2 along the eastern seaboard of the United States from Long Island, N.Y., southward to the northern portion of North Carolina. This area is underlain by a thick wedge of sedimentary deposits that form a complex groundwater system in which the sands and gravels function as confined aquifers, and the silts and clays function as confining units. These confined aquifers of the NACP constitute a major source of water for public and domestic supply for the nearly 27 million people living in the region, as well as being important source of water for industrial and agricultural purposes. Increases in population and changes... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cooperative Water Program, Delaware, Focused Assessments, Focused Assessments, Focused Assessments, All tags... GW Model, GW Model, GW model, GW or SW, GW or SW, GW or SW, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Maryland, New Jersey, New York, North Carolina, Northern Atlantic Coastal Plain, USGS New York Water Science Center, Virginia, WSC, Water Budget, Water Budget, Water Quality, Water Quality, Water Use and Availability Science, Water Use and Availability Science, Water budget, Water quality, aquifers, groundwater, hydrology, sediment, water supply, Fewer tags Comprehensive Delineation of Groundwater Source Areas and Times-of-travel to Long Island Streams and Estuaries Problem The discharge of freshwater and associated loading of nutrients and other dissolved constituents from the Long Island aquifer system to surrounding estuaries and their tributaries are increasingly recognized as critical factors in the health of these ecosystems. However, further work is needed to scientifically characterize these factors and present them to the public in an appropriate manner. Many organizations have undertaken assessments of this discharge and loading for discrete groundwater source areas and (or) receiving surface waters, applying a variety of techniques and assumptions. In part, this is because there is no delineation of recharge areas to the island’s groundwater-fed streams and estuaries... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Basin & Hydrogeologic Characterization, Basin & Hydrogeologic Characterization, Climate Change, Climate Research and Development, ClimateChange, All tags... Cooperative Water Program, Ecosystem Health, Ecosystem Health, Environments, Flood Science, Flood Science, Flood Science, Geospatial Applications, Geospatial Applications, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Long Island, NY, New York, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, flow model, groundwater, nutrients, recharge, water quality, Fewer tags Assessment of compound flood risk from the combined effects of sea level rise on storm surge, tidal and groundwater flooding, and stormwater BACKGROUND Long Island Sound has 600 miles of coastline and there are over 23 million people living within 50 miles of its shores. In response to water-quality issues and nitrogen pollution in the Sound, Congress created the Long Island Sound Study (LISS) in 1985. LISS is a partnership of federal, state, and local government agencies, private organizations and educational institutions working together to restore and protect the Sound. The USGS New England and New York Water Science Centers are partners in the LISS. These organizations also have historical and ongoing work with other partners in the LISS study region. Although historically the focus of LISS has been on water quality issues, a “Sustainable and Resilient... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Coastal Science, Flood Hazards, Flood Science, Geospatial Applications, Long Island, All tags... Mapping Application Development, New York, SW Model, USGS New York Water Science Center, USGS New York Water Science Center, WSC, Water Use and Availability Science, compound flooding, groundwater, sea level rise, storm surge, Fewer tags Aquifer Appraisal at the Tunison Laboratory of Aquatic Science, Cortland, New York Problem - The Ithaca Subdistrict Office of the U.S. Geological Survey (USGS) is providing technical assistance to the USGS, Biological Resources Division (BRD), at the Tunison Laboratory of Aquatic Science (TLAS) in an investigation of the availability of fresh ground water. An expansion in the water supply at the laboratory is needed for a proposed spawning facility for salmon strains that are viable for natural fisheries in the Great Lakes region. The hydrogeology of the area is a complex of moraine and outwash deposits west of Cortland, N.Y. Data from existing wells at the laboratory indicate that well screens may readily clog from precipitated minerals. A review of the hydrogeology of the area, including... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Borehole Geophysics, Completed, Cortland County, Fisheries, GW or SW, All tags... GW or SW, GW or SW, Geophysics, Hydrogeologic Characterization, Hydrogeologic Characterization, NY, New York, Tunison Lab, USGS New York Water Science Center, WSC, Water Quality, aquifer, aquifer, borehole geophysics, borehole-geophysical logging, fish, fish, groundwater, moraine, water quality, water quality, wells, Fewer tags Delineation of Rock Fractures, Faults, and Groundwater Flow in the Vicinity of Proposed Water Tunnels, New York City and Southeastern New York Problem - The New York City Department of Environmental Protection (NYCDEP) is constructing or proposing water tunnels under New York City and areas of southeastern New York (Hudson River Basin). These tunnels can intersect faults and fractures that produce large amounts of ground water. For example, one tunnel excavation intersected fractures that produced over 200 gallons per minute of ground-water flow into the tunnel. Consequently, there is a need to determine the potential of intersecting ground-water producing fractures during tunnel excavation. The use of advanced borehole geophysical techniques by the USGS during tunnel excavations in northern Queens County demonstrated that geophysical techniques can... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Borehole Geophysics, Completed, Cooperative Water Program, GW or SW, GW or SW, All tags... GW or SW, Geophysics, Geophysics, Geophysics, Groundwater Monitoring, Groundwater Monitoring, Groundwater Monitoring, Groundwater and Streamflow Information, Groundwater and Streamflow Information, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, New York, New York City, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, borehole, groundwater, rock fractures, tunnels, Fewer tags Delineation of the Freshwater-Saltwater Interface at Selected Public-Supply Wells Using Advanced Surface and Borehole Geophysical Techniques, in Eastern Suffolk County, New York The combination of a complex hydrogeologic framework, narrow land masses surrounded by saltwater, and extensive ground-water public-supply pumpage has produced localized areas of elevated chloride concentrations in ground water. This project uses advanced surface and borehole geophysical methods to determine the extent of saltwater intrusion and road-salt plumes at selected sites in eastern Suffolk County, Long Island, NY. Two-dimensional resistivity sections have been integrated with borehole geophysical logs and water-quality data to produce cross-sections of road-salt plumes. Borehole geophysical logs are collected twice a year to determine variations in chloride concentration and thicknesses of intrusive... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Borehole Geophysics, Borehole Geophysics, Borehole Geophysics, Cooperative Water Program, GW or SW, All tags... GW or SW, GW or SW, Geophysics, Geophysics, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, New York, Suffolk County, USGS New York Water Science Center, WSC, borehole, freshwater, geophysics, groundwater, saltwater, wells, Fewer tags Detection and Quantification of Oxygenated Polycyclic Aromatic Hydrocarbons (oxy-PAHs) in Groundwater Near the Former Manufactured Gas Plant in Bay Shore, N.Y. Introduction As a result of storage and disposal practices at a former Manufactured Gas Plant, or MGP, in Bay Shore, NY, a variety of polycyclic aromatic hydrocarbons (PAHs) have been detected at high concentrations in the surficial, upper glacial aquifer of Long Island. Levels of PAHs initially detected over 10 years ago were in the parts-per-thousand range within a groundwater contaminant plume. The plume extended over a half-mile from MGP-related sources to discharge at a local estuarine tributary, Lawrence Creek, resulting, resulting in malodorous hydrocarbon sheens in this tributary and nearby storm drains. These signs of contamination revealed a larger underlying problem and prompted calls by state and local... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Bay Shore, Completed, Cooperative Water Program, Ecosystem Health, Ecosystem Health, All tags... Ecosystem Health, Groundwater Monitoring, Groundwater Monitoring, Groundwater Monitoring, Groundwater and Streamflow Information, Groundwater and Streamflow Information, Long Island, NAPL, NY, New York, OGI, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Quality, gas, groundwater, hydrocarbon, oxy-PAH, polycyclic aromatic hydrocarbons, remediation, surface water, Fewer tags Detailed Aquifer Mapping in the Owasco Inlet valley Towns of Moravia, Locke (Cayuga County) and Groton (Tompkins County), New York Introduction Detailed mapping of the valley-fill aquifer within the Owasco Inlet valley and adjacent tributary valleys in Cayuga County (Towns of Moravia and Locke) and Tompkins County (Town of Groton) is the latest study in the cooperative Detailed Aquifer Mapping Program between the US Geological Survey (USGS) and the New York State Department of Environmental Conservation (NYSDEC). The aim of the program is to map sand and gravel aquifers in New York State at a scale of 1:24,000. This information is used by NYSDEC Division of Water and others to delineate groundwater contributing areas, assess potential threats to aquifers from both point and non-point sources, respond to contamination from spills or leaks... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aquifer Mapping, Aquifer Mapping, Aquifer Mapping, Cayuga county, Cooperative Water Program, All tags... Groton, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Locke, Moravia, New York, Owasco Inlet, Tompkins county, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, contamination, groundwater, Fewer tags Rockland County Water-Resource Assessment INTRODUCTION • Concerns over the viability of the fractured bedrock aquifer that provides about 1/3 of Rockland County’s water supply prompted a 5-year study by the U.S. Geological Survey (USGS) to (1) define the hydrogeologic framework of the aquifer, (2) assess conditions within it, and (3) identify other potential sources of water for the County. The study was done in cooperation with Rockland County and the New York State Department of Environmental Conservation. • Population growth in Rockland County to nearly 300,000 people has been paralleled by significant hydrologic changes over the past 50 years –water demand and impervious surface area have increased, and sanitary sewers now serve most areas and discharge... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Completed, Cooperative Water Program, GW or SW, GW or SW, GW or SW, All tags... Geophysics, Geophysics, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Groundwater-Quality Monitoring, Groundwater-Quality Monitoring, Groundwater-Quality Monitoring, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, NY, New York, Rockland County, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Use and Availability Science, Water Use and Availability Science, aquifer, fractured-bedrock, groundwater, hydrogeology, water use, Fewer tags Geohydrology of the Valley-Fill Aquifer in Upper Buttermilk Creek/Danby Creek Valleys, Town of Danby, Tompkins County, New York Problem - The valley-fill deposits in Upper Buttermilk Creek/Danby Creek valleys are sources of water for many homeowners, farms, and small businesses that are in this valley. The aquifer was mapped by Miller (2000) and identified as one of the 17 aquifers in Tompkins County that needs to be studied in more detail. However, there is little geohydrologic data in the valley. A cluster of wells in Upper Buttermilk valley are finished in sand and gravel, indicating that there is a sand and gravel aquifer in, at least, part of the valley. The Upper Buttermilk Creek/Danby Creek valleys are "through valleys"-- a part of a valley where the bedrock floor rose to land surface and formed a preglacial surface-water divide.... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aquifer Mapping, Aquifer Mapping, Aquifer Mapping, Borehole Geophysics, Completed, All tags... Cooperative Water Program, Danby Creek Valleys, Geophysics, Geophysics, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, NY, New York, Tompkins County, Town of Danby, USGS New York Water Science Center, Upper Buttermilk Creek Valleys, WSC, Water Use and Availability Science, Water Use and Availability Science, discharge, geohydrology, groundwater, maps, recharge, surface water, water quality, wells, Fewer tags Assessment of Groundwater Resources to Adapt to Climate Change at Fire Island, New York Summary Fire Island National Seashore (FIIS) occupies 42 km of the barrier island for which it is named that lies off the southern shore of western and central Suffolk County, Long Island, N.Y. Fire Island is underlain by a complex aquifer system consisting of unconsolidated glacial, lacustrine, deltaic, and marine deposits of clay, silt, sand, and gravel that range in age from Late Cretaceous to Holocene. Accelerated sea level rise, storms, rising temperatures, and changes in patterns of precipitation are all expected to drive significant ecological change. Among the most vulnerable resources are the Island’s fresh groundwater resources. The potential for climate-driven changes in the quantity and quality of... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Climate Change, Climate Change, ClimateChange, Cooperative Water Program, Ecosystem Health, All tags... Ecosystem Health, Fire Island National Seashore, GW Model, GW Model, GW model, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Groundwater-Flow Modeling, NY, New York, Suffolk County, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, groundwater, Fewer tags 305b Ambient Groundwater Quality Monitoring in New York Introduction 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 ongoing cooperative project between the U.S. Geological Survey (USGS) and New York State Department of Environmental Conservation (NYSDEC), this study supports NYSDEC’s responsibilities under Section 305(b) of the Clean Water Act Amendments of 1977. The project began in 2002 with a pilot study in the Mohawk... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cooperative Water Program, GW or SW, GW or SW, GW or SW, Groundwater and Streamflow Information, All tags... Groundwater-Quality Monitoring, Groundwater-Quality Monitoring, Groundwater-Quality Monitoring, New York, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Quality, Water quality, groundwater, statewide, water quality, Fewer tags Delineation of Groundwater Flow, Lithology, Faults, and Fractures Along Existing and Proposed Water Tunnel Problem The New York City Department of Environmental Protection (NYCDEP) has asked the U.S. Geological Survey (USGS) to assist in two major studies: 1) delineation of the source(s) of shallow groundwater and the extent that the Delaware Aqueduct is contributing to local flooding issues, and 2) delineation of the structural, geologic, and hydrologic conditions along proposed tunnel construction paths using advanced surface and borehole geophysical methods. The NYCDEP needs to determine the source of groundwater and surface water and their possible relation to leakage from the Delaware Aqueduct in upstate New York. The Delaware Aqueduct, which supplies a significant portion of New York City's water supply, has... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Borehole Geophysics, Cooperative Water Program, Delaware Aqueduct, GW or SW, GW or SW, All tags... Geophysics, Geophysics, Groundwater Monitoring, Groundwater Monitoring, Groundwater Monitoring, Groundwater and Streamflow Information, Groundwater and Streamflow Information, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, New York, USGS New York Water Science Center, WSC, borehole geophysics, flooding, groundwater, lithology, surface water, tunnel, Fewer tags Geohydrology of the Upper Sixmile Creek/West Branch Owego Creek Valleys and Lower Sixmile Creek/Willseyville Creek Valleys, Town of Caroline, Tompkins County, New York Problem - The Town of Caroline needs geohydrologic data in two major valley-fill aquifers within the town in order for planners to develop a strategy to manage and protect their water resources. Interest in the interaction between ground water and surface water has increased in recent years as a result of widespread concerns related to water supply. The need to better understand how the development of one water resource affects another will increase as development in Tompkins County intensifies. Upper Sixmile Creek/West Branch Owego Creeks valleys and Lower Sixmile Creek/Willseyville Creek valleys in the Town of Caroline were selected to be studied because they are undergoing increasing development; and most people... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Completed, Cooperative Water Program, Geospatial Applications, Geospatial Applications, Groundwater Recharge, All tags... Groundwater Recharge, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Information Visualization, Information Visualization, Information Visualization, Lower Sixmile Creek, New York, Tompkins County, Town of Caroline, USGS New York Water Science Center, Upper Sixmile Creek, WSC, Water Use and Availability Science, Water Use and Availability Science, West Branch Owego Creek Valleys, Willseyville Creek Valleys, aqufers, geohydrology, geology, groundwater, potentiometric surface, recharge, Fewer tags Statewide Assessment of New York’s Karst Aquifers With an Inventory of Closed-Depression and Focused-Recharge Features Background: The New York State Departments of Environmental Conservation (NYS DEC) and Health (NYS DOH) are concerned about groundwater contamination in the carbonate-bedrock aquifers in New York, especially relating to the unintended introduction of volatile organic compounds (VOCs) and liquid manure to these aquifers. These carbonate rocks form extensive aquifers that transmit, and can yield, water from solution-enlarged fractures, bedding planes, and other openings (Olcott, 1995). Groundwater contamination from liquid manure application (fecal coliform bacteria [E. coli] and nitrate) has been on the increase over the past decade as these incidents have been reported to the NYS DEC. Nitrate is highly water-soluble... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Basin & Hydrogeologic Characterization, Basin & Hydrogeologic Characterization, Basin & Hydrogeologic Characterization, Cooperative Water Program, Geospatial Applications, All tags... Geospatial Applications, Groundwater Recharge, Groundwater Recharge, Groundwater recharge, NY, New York, Toxic Substance Hydrology, USGS New York Water Science Center, WSC, aquifers, carobnate-bedrock, contamination, focused-recharge, groundwater, statewide, Fewer tags