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Hydrogeology of the Tully Valley Mudboil Area, Southern Onondaga County, New York Problem The Tully Valley, located in southern Onondaga County has been the source of sediment and brackish water discharge to Onondaga Creek, a tributary to the Seneca and Oswego Rivers and eventually Lake Ontario. Information on the origin of the Tully Valley mudboils, their persistence, and the possible extent of their migration within the Tully Valley is needed to mitigate or remediate (1)the discharge of turbid water and fine-grained sediment from the mudboils, (2) land-surface subsidence caused by the removal of sediment from below the land surface, and (3) degradation of Onondaga Creek by turbidity, fine-sediment deposition, and chloride loading. Objectives To define the glacial stratigraphy and hydraulic-head... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cooperative Research Units, Cooperative Water Program, GW or SW, 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, Landslide Hazards, New York, Sediment, Sediment, Sediment, Tully Valley, Southern Onondaga County, USGS New York Water Science Center, WSC, Fewer tags Geophysical Methods Capabilities Geophysics Geophysics GEOPHYSICAL METHODS CAPABILITIES The New York Water Science Center (NY WSC) makes extensive use of geophysical methods in its hydrologic investigations and research in cooperation with local, State, and Federal partners. The NY WSC staff has many years of experience in collecting and interpreting surface and borehole geophysical data, and applying the results to provide a better understanding of the subsurface environment for resource management and protection, infrastructure design, hazard mitigation, and remedial actions. The NYSWSC partners with the Hydrologic Remote Sensing Branch (HRSB) to apply the latest geophysical technologies in support of groundwater studies in New York and... Categories: Data, Project; Types: Downloadable; Tags: Aquifer Mapping, Borehole Geophysics, Coal and Methane, GW Model, Geophysics, All tags... Hydrofracking, Hydrogeologic Characterization, Saltwater Intrusion, Surface Geophysics, Time-domain Electromagnetic (TDEM), USGS New York Water Science Center, WSC, 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 Documenting Hydrogeologic Information Obtained from Deep-Borehole Drilling in Suffolk County, New York Background Borehole drilling and well-installation are costly procedures, and securing funding for new well installation for the sake of research is often difficult.The Suffolk County Water Authority (SCWA) maintains a large network of deep wells for public supply that is constantly being upgraded as water demands increase. During the drilling process, contractors record drillers’ logs and collect cores and, subsequently, often perform borehole geophysical logging for determination of aquifer properties. However, although these data may suffice for selecting a screen zone, they are lacking in more detailed hydrologic information necessary for a better understanding of Suffolk County’s hydrologic... 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, deep-borehole drilling, 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 the Nanticoke Creek Valley near Endicott, New York Problem The Village of Endicott relies on wells that supply ground water from sand and gravel aquifers within the Susquehanna River valley. Localized contamination in the Village of Endicott and elsewhere in the Susquehanna River Valley has been documented by U. S. Environmental Protection Agency (USEPA) and the New York State Department of Environmental Conservation (NYSDEC) from a number of commercial and industrial sites. Currently, the Village of Endicott treats its water prior to distribution and can purchase water from other nearby municipal sources as needed. The village would like to find an additional source of clean water to supplement The most viable clean source is likely to be in sand-and-gravel-filled... 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, GW or SW, GW or SW, GW or SW, Geophysics, Geophysics, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, 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 Delineation of the Saltwater-Freshwater Interface at Selected Well Locations in the Town of Riverhead, NY Problem The Town of Riverhead in the northeastern Suffolk County includes rural farmland and suburbs and is bounded by the Long Island Sound to the north and Peconic Bay to the southeast. Riverhead’s close proximity to saline embayments and its location along the northeastern discharge area for Long Island’s groundwater flow system makes it vulnerable to saltwater intrusion. Several public-supply wells in Riverhead have experienced increased chloride concentrations recently due to the encroachment of saltwater. Riverhead is underlain by a sequence of unconsolidated deposits ranging in age from Pleistocene to Upper Cretaceous that overlie a basement complex of Precambrian bedrock. These deposits are part of Long... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aquifer Mapping, Aquifer Mapping, Aquifer Mapping, Borehole Geophysics, Borehole Geophysics, All tags... Borehole Geophysics, Cooperative Water Program, GW or SW, GW or SW, GW or SW, Geophysics, Geophysics, New York, Riverhead, Long Island, Saltwater Intrusion, Saltwater Intrusion, Saltwater intrusion, USGS New York Water Science Center, WSC, Fewer tags New York Water Science Center Data Program Objective: The USGS New York Water Science Center (NYWSC) works with other Federal agencies as well as with State, municipal, and tribal agencies to provide research and data about water-related issues. Relevance and Impact: The NYWSC leads the scientific and water-resources management communities by providing high-quality, timely, and unbiased scientific data, reports, and other information that are widely accessible and understandable and that benefit science interests of all levels of government, academia, nongovernmental organizations, the private sector, and the general public. Statement of Problem: The NYWSC studies the effects of weather, climate, and manmade influences on groundwater levels, streamflow (discharge),... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Beach and Barrier Dynamics, Beach and Barrier Dynamics, Beach and Barrier dynamics, Coastal Science, Coastal Science, All tags... Cooperative Water Program, Ecosystem Health, Ecosystem Health, Geophysics, Geophysics, Groundwater Monitoring, Groundwater Monitoring, Groundwater Monitoring, Groundwater and Streamflow Information, Groundwater and Streamflow Information, Groundwater-Quality Monitoring, Groundwater-Quality Monitoring, Groundwater-Quality Monitoring, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, New York, Surface-Water Monitoring, Surface-Water Monitoring, Surface-Water Monitoring, Surface-Water Quality Monitoring, Surface-Water Quality Monitoring, Surface-Water-Quality Monitoring, Tide and Wave Hydrodynamics, Tide and Wave Hydrodynamics, Tide and Wave Hydrodynamics, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Quality, Water Use and Availability Science, Water quality, Water-Quailty Modeling, Water-Quailty Modeling, Water-Quality Modeling, Fewer tags Delineation of the Hydrogeologic Framework and Saltwater-Freshwater Interface and Determination of Water-Supply Sustainability of Long Island, New York Problem Long Island’s sole-source aquifer system, which includes the Lloyd, Magothy, Jameco, and upper glacial aquifers, supplies groundwater to over 2.8 million people. As a coastal aquifer system, it is susceptible to saltwater intrusion. Past pumpage and sewering (fig. 1) resulted in increased salinity in most aquifers in all counties (Buxton and Shernoff, 1999; Misut and others, 2004; Misut and Aphale, 2014). Simulation of drought has predicted increasing salinity in the lower part of the glacial aquifer of the North Fork of Suffolk County (Misut and others, 2004). In addition, simulation of future well pumpage in Queens County by the U.S. Geological Survey (USGS) has predicted increasing salinity in the Magothy... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aquifer Mapping, Aquifer Mapping, Cooperative Water Program, GW Model, GW model, All tags... Geophysics, Geophysics, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Information Visualization, Long Island, New York, Potentiometric Surfaces,Aquifer Assessment,geophysics, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, Fewer tags Technical Pump-Test Evaluation of Suffolk County Aquifers Problem - USGS regional framework characterizations have been used effectively in many studies. However, lack of framework accuracy, particularly at smaller scales, continues to cause problems that may involve: (1) sizing of pumps and other aspects of wellfield design and maintenance, (2) projection of local-scale water-level changes, and (3) projection of interactions with other hydrologic stresses. The objective of this study is to improve framework representations by implementing continuous-recording observation wells at SCWA wellfields, in concert with the SCWA record of pumping and other regional USGS data. As necessary, the implications of framework revisions on such topics as safe aquifer yield, source-area... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cooperative Water Program, Geophysics, Geophysics, Hydrogeologic Characterization, Hydrogeologic Characterization, All tags... Hydrogeologic Characterization, Hydrogeologic Characterization, Suffolk County, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, 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 Hydrogeology and Water Quality of the North Shore Aquifer in Locust Valley, Town of Oyster Bay, New York Problem Perchlorate detected in a shallow supply well within the southern portion of the Locust Valley Water District (LVWD) has prompted interest in determining the possible existence of a deeper confined aquifer (North Shore Aquifer) that may be protected from shallow contamination (fig. 1). Previous USGS studies in this area indicate the northern part of Nassau County has a complex hydrogeologic framework (Stumm and others, 2004). A previously mapped buried glacial valley may extend and be present at this location. If such a buried valley exists, all Cretaceous age deposits (Magothy aquifer, Raritan clay, and Lloyd aquifer) may have been eroded and Pleistocene-aged deposits including the North Shore aquifer... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Biogeochemical and Hydrologic Assessment, Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, Borehole Geophysics, Borehole Geophysics, All tags... Borehole Geophysics, Contaminants, Natural, Contaminants, Natural, Contaminants, natural, Cooperative Water Program, Ecosystem Health, Ecosystem Health, GW or SW, GW or SW, Geophysics, Geophysics, Groundwater-Quality Monitoring, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Locust Valley, Long Island, New York, North Shore, Oyster Bay, USGS New York Water Science Center, WSC, aquifer, hydrogeology, water quality, Fewer tags Hydrogeology of Two Areas of the Tug Hill Glacial-drift Aquifer, Oswego County, New York Problem - Several supply wells in Oswego County were evaluated by the USGS in 1999 by using stable oxygen and hydrogen isotopes and chlorofluorocarbon (CFC) age dating techniques. For two municipal well sites (the Villages of Sandy Creek and Lacona, and the Village of Pulaski) that tap a shallow, unconfined aquifer (typically 20-50 ft thick) there were significant discrepancies between ground-water recharge ages determined by chemical data and those determined by ground-water-flow models developed by independent studies. The significant discrepancies between the times of travel of ground water as determined by numerical ground-water-flow modeling and geochemical dating techniques in Oswego County need to be understood... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Completed, Cooperative Water Program, GW Model, GW Model, GW model, All tags... Geophysics, Geophysics, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Groundwater-Flow Modeling, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, New York, Oswego County, Tug Hill, hydrogeology, aquifer, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, Fewer tags Using Advanced Borehole Geophysical Methods to Characterize Fractures, Foliation, and Fractured-Rock Groundwater Flow at a Geothermal Test Site on Roosevelt Island, New York County, New York Background The U.S. Geological Survey (USGS) has characterized fractures, foliation, and fractured-rock groundwater flow penetrated by test boreholes in crystalline bedrock underlying Manhattan Island, New York County, New York since 1998. New test boreholes will be drilled on Roosevelt Island in New York County for a Cornell University geothermal test project. Cornell University is partnering with the USGS in a cooperative program to use advanced borehole geophysical methods to characterize the fractured-rock groundwater flow system on the southern end of Roosevelt Island, and compare it to the flow system on nearby Manhattan Island. The USGS will assess the hydrogeology of the area and determine the strike and... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Borehole Geophysics, Borehole Geophysics, Borehole Geophysics, Completed, Cooperative Water Program, All tags... GW or SW, GW or SW, GW or SW, Geophysics, Geophysics, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, New York, Roosevelt Island, USGS New York Water Science Center, WSC, Fewer tags Hydrogeology and Surface/Groundwater Interactions in the Meads Creek Valley, Schuyler and Steuben Counties, New York Problem - The interaction between ground water and surface water within the Meads Creek watershed is not well understood, and the need for understanding the interaction has increased in recent years because of widespread concerns related to water supply, ground- and surface-water contamination, loss of wetlands due to development; and other changes in the watershed. In addition, flooding in the southern part of the watershed (mostly in Steuben County), where most development in the watershed has taken place, has highlighted the need for information about the drainage characteristics in the basin including the role of ground-water and surface-water interactions. Objectives - The objectives are (1) characterize... 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, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, New York, Schuyler County, Steuben County, USGS New York Water Science Center, WSC, Water Use and Availability Science, Water Use and Availability Science, hydrogeology, Fewer tags Hydrogeology of a Ground-Water Contamination Site, Cayuga County, New York Problem - The U.S. Geological Survey (USGS) provided technical assistance between 2001 and 2013 to the U.S. Environmental Protection Agency (EPA) in an investigation of the presence of chlorinated solvents (trichloroethylene and degradates) in ground water in the Middle-to-Lower Devonian and Upper Silurian carbonate bedrock southwest of Auburn in Cayuga County, N.Y. Pieziometric and water-quality data from the wells indicate that contaminants may have migrated in the bedrock as far as 7 miles toward discharge areas that are in an adjacent surface-water basin. The ground-water contamination site was added to the Super Fund priority list in 2003. Objectives - The objective of the work is to characterize the stratigraphy,... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Borehole Geophysics, Borehole Geophysics, Borehole Geophysics, Borehole Geophysics, Cayuga County, All tags... Completed, Contaminants, Organic, Contaminants, Organic, Contaminants, Organic, Contaminants, organic, Cooperative Water Program, GW or SW, GW or SW, GW or SW, GW or SW, Geophysics, Geophysics, Geophysics, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, New York, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Quality, Water quality, bedrock,borehole logs, gw wells, Fewer tags Surface-Geophysical Surveys and Well Network for Monitoring Aquifer Salinity in the Genesee River Valley, Livingston County, New York Background and Problem The Retsof salt mine in the Genesee River valley, Livingston County, New York flooded after roof collapses in 1994 created two rubble chimneys in overlying bedrock that intersected a confined aquifer in the basal glacial-drift deposits (figs. 1 and 2). Groundwater flowed downward through the rubble chimneys causing widespread drawdown in the lower confined aquifer until the mine was completely flooded in 1996 (Yager and others, 2001). By 2005, water levels in the lower confined aquifer had nearly recovered to pre-collapse conditions but the hydraulic connection through the rubble chimneys between the brine-filled mine cavity, saline-water bedrock fracture zones, and the lower confined aquifer... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Borehole Geophysics, Borehole Geophysics, Borehole Geophysics, Cooperative Water Program, Geophysics, All tags... Geophysics, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, Mining, Mining, Mining, New York, Retsof mine,Genessee River Valley, Livingston County, Saltwater Intrusion, Saltwater Intrusion, Saltwater intrusion, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water quality, Fewer tags 1 2 »