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From May 2017 to November 2019, the U.S. Geological Survey conducted bathymetric surveys of New York City's East of Hudson Reservoirs. Bathymetry data were collected at New Croton Reservoir during June 2017, July 2017, and October 2017. Depth data were collected primarily with a multibeam echosounder. Quality assurance points were measured with a single-beam echosounder. Water surface elevations were established using real-time kinematic (RTK) and static global navigation satellite system (GNSS) surveys and submersible pressure transducers. Measured sound velocity profiles were used to correct echosounder depth measurements for thermal stratification. Digital elevation models were created by combining the measured...
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From 2016 through 2018, the U.S. Geological Survey, in cooperation with the New York State Department of Environmental Conservation, collected horizontal-to-vertical seismic soundings at 71 locations in the major valleys in the Oneonta area, Otsego and Delaware Counties, New York to help determine thickness of the unconsolidated deposits and the bedrock surface elevation. The HVSR technique, commonly referred to as the passive-seismic method, is used to estimate the thickness of unconsolidated sediments and the depth to bedrock (Lane and others, 2008; Fairchild and others, 2013). The passive-seismic method uses a single, broad-band three-component (two horizontal and one vertical) seismometer to record ambient seismic...
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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 contributing areas to wells is complex because aquifers and their connection with recharge sources are heterogeneous in nature and hidden from direct observation. The major groundwater source for public supplies in upstate New York are valley-fill aquifers of glacial and post-glacial origin. Saturated coarse-grained sediments (sand...
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INTRODUCTION Naturally occurring methane has been noted at some locations in the upper Devonian shale bedrock and in overlying glacial deposits in parts of Broome, Tioga, and Chemung Counties in south-central New York State (Williams, 2010). Systematic sampling of water wells for dissolved methane is needed to determine if the topographic and hydrogeologic setting of a well is related to methane occurrence. Objective and Study Area - The objective of this study is to characterize the natural occurrence of dissolved methane gas in groundwater from water wells within four different topographic and hydrogeologic settings (upland and major valley areas where bedrock is confined or unconfined by glacial deposits)....
Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Broome County, Chemung County, Completed, Contaminants, Natural, Contaminants, Natural, All tags...
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Fire Island National Seashore (FIIS) is located on the barrier island along the extreme southern shore of western and central Suffolk County, New York. Interspersed throughout FIIS are seventeen residential beach communities that in the summer months greatly increase in population due to the arrival of summer residents and vacationers. Wastewater from the numerous homes and businesses in the barrier island communities generally is discharged directly into the shallow ground-water system through use of private septic systems. Contaminants entering the ground-water system can pose a threat to coastal habitats, as they are transported by ground water that discharges to ocean and estuary shorelines. In October 2004,...
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Hydrogeologic characterization of the basal sand and gravel aquifer in the Hoosic River valley in Hoosick Falls, New York is important for determination of sources, extent, and future migration of PFOA groundwater contamination; evaluation of potential remedial actions; and appraisal of alternative groundwater supplies. Variations in the current pumping stresses and a planned 72-hour aquifer test provide an opportunity to characterize hydraulic connections in the basal sand and gravel aquifer through continuous monitoring of groundwater levels in selected wells. Publications Williams, J.H., and Heisig, P.M., 2018, Groundwater-level analysis of selected wells in the Hoosic River Valley near Hoosick Falls, New...
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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...
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Problem - Roof collapses in the Retsof salt mine near Geneseo N.Y. in March and April of 1994 propagated upward through overlying bedrock, forming a 600-ft-long rubble zone or chimney that connected the mine to a glacial aquifer system and created sinkholes at land surface. Fresh water from the glacial aquifers flowed downward into the mine until the mine was completely flooded in January 1996. The mine opening is predicted to slowly close over a period of several hundred years, with most of the subsidence occurring before 2070. As the mine opening closes, about 40 percent of the brine will be displaced from the mine and migrate upward through the rubble chimney. Continuing monitoring of chloride concentrations...
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Problem Onondaga Lake has been identified as one of the nation's most contaminated lakes as a result of discharges from industrial, sewage, and stormwater sources, and the lake received priority cleanup status under the National Water Resources Development Act of 1990. Although remediation of polluted surface-water discharges is planned, the migration of poor quality (saline) ground water into the lake also affects the quality of lake water and may impair the remediation plans. Anthropogenic contamination has been identified at several sites near the lakeshore, including the former Allied Signal soda ash production facility and a former petroleum storage facility. Saline discharges from the Allied Signal waste...
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In 2011, the U.S. Geological Survey, in cooperation with the Town of Newfield and the Tompkins County Planning Department, began a study of the stratified-drift aquifers in the West Branch Cayuga Inlet and Fish Kill valleys in the Town of Newfield, Tompkins County, New York. The objective of this study was to characterize the hydrogeology and water quality of the stratified-drift aquifers in the West Branch Cayuga Inlet and Fish Kill valleys and produce a summary report of the findings. This dataset contains locations and unit labels of the surficial geologic units in West Branch Cayuga Inlet and Fish Kill Valleys, Newfield, Tompkins County, New York.
From May 2017 to November 2019, the U.S. Geological Survey conducted bathymetric surveys of New York City's East of Hudson Reservoirs. Bathymetry data were collected at Amawalk Reservoir from May 2018 to November 2019. Depth data were collected primarily with a multibeam echosounder. Quality assurance points were measured with a single-beam echosounder. Water surface elevations were established using real-time kinematic (RTK) and static global navigation satellite system (GNSS) surveys and submersible pressure transducers. Measured sound velocity profiles were used to correct echosounder depth measurements for thermal stratification. Digital elevation models were created by combining the measured bathymetry data...
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The U.S. Geological Survey in cooperation with the New York State Department of Environmental Conservation, the Tug Hill Commission, the Jefferson County Soil and Water Conservation District, the Oswego County Soil and Water Conservation District, and the Tug Hill Land Trust studied the northern and central parts of the Tug Hill glacial aquifer to help communities make sound decisions about the groundwater resource. This child item dataset contains locations of surface water temperature sites for the northern and central parts of the Tug Hill aquifer.
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This child item dataset contains a shapefile that delineates ice-margin positions in the Owasco Inlet watershed and surrounding area. Ice positions mostly represent pauses during the final retreat of the ice sheet from the area. Ice-margin positions are delineated by moraines (mostly till) in upland areas and by ice-contact deposits in the valleys.
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PROBLEM The unconsolidated aquifer in Enfield Creek Valley (fig. 1) was mapped by Miller (2000) and identified as one of 17 unconsolidated aquifers in Tompkins County that needs to be studied in more detail. Well records in Enfield Creek valley indicate that the northern part of Enfield Creek valley contains sand and gravel deposits which may be under unconfined conditions in some areas, confined in others, or both; and the southern part of the valley contains mostly sand and gravel under unconfined conditions. The valley will probably undergo increased development as the population in Tompkins County increases and spreads out from metropolitan areas. However, there is little geohydrologic data in the valley....
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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...
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Background: Moreau Lake is located within Moreau Lake State Park, a 4,100 acre park divided by the Hudson River in northern Saratoga and southern Warren Counties of upstate New York. Moreau Lake has a surface area of 128 acres, a watershed of 469 acres, and 3.6 miles of shoreline. The lake has a “normal” mean depth of 32 feet and a maximum depth of 50 feet. An outlet control structure at the south end of the lake controls surface water outflow and protects adjacent property within the floodplain of Moreau Lake. The lake is considered a kettle lake and as such is surrounded by ice-contact sand and gravel (NY State Parks, 2006). Moreau Lake is a recreational water body used by the public for swimming, fishing,...
map background search result map search result map The Onondaga Valley Ground-Water Study, central New York Simulation of the Shallow Ground-Water Flow System at Fire Island National Seashore, Long Island, New York Delineation of Rock Fractures, Faults, and Groundwater Flow in the Vicinity of Proposed Water Tunnels, New York City and Southeastern New York Simulation of migration of brine and saline water from the flooded Retsof salt mine in the Genesee Valley, New York Natural Methane Occurrence in Water Wells of South-Central New York State- Evaluation of Topographic Position and Hydrogeologic Setting Geohydrology of the Unconsolidated Aquifer in Enfield Creek Valley, Town of Enfield, Tompkins County, New York Detailed Aquifer Mapping in the Owasco Inlet valley Towns of Moravia, Locke (Cayuga County) and Groton (Tompkins County), New York Groundwater-level Monitoring for Characterization of Hydraulic Connections in the Basal Sand & Gravel Aquifer, Hoosic River Valley, Hoosick Falls, New York An Investigation into the Water Surface Elevation Changes of Moreau Lake, Moreau Lake State Park, Saratoga County, NY Simulation of Contributing Areas to Selected Public Water-Supply Wellfields in the Valley-Fill Aquifers of New York State Elevation contours, Morris Lake (Newton Reservoir), New Jersey, 2018 Surficial geology in West Branch Cayuga Inlet and Fish Kill Valleys, Newfield, Tompkins County, New York Bedrock elevation beneath main valleys in the Oneonta area, Otsego and Delaware Counties, New York Inferred valley ice tongue positions in the Oneonta area, Otsego and Delaware Counties, New York Eskerform features in the Oneonta area, Otsego and Delaware Counties, New York Horizontal-to-vertical spectral ratio soundings and depth-to-bedrock data for valley-fill aquifers in the Oneonta area, Otsego and Delaware Counties, New York, 2016 - 2018 Geospatial bathymetry datasets for Amawalk Reservoir, New York, 2018 to 2019 Geospatial bathymetry datasets for New Croton Reservoir, New York, 2017 Surface Water Temperature Sites in the Tug Hill Glacial Aquifer Ice-margin Positions in the Owasco Inlet Watershed Area, Cayuga and Tompkins Counties, New York Groundwater-level Monitoring for Characterization of Hydraulic Connections in the Basal Sand & Gravel Aquifer, Hoosic River Valley, Hoosick Falls, New York Elevation contours, Morris Lake (Newton Reservoir), New Jersey, 2018 Geospatial bathymetry datasets for Amawalk Reservoir, New York, 2018 to 2019 Geohydrology of the Unconsolidated Aquifer in Enfield Creek Valley, Town of Enfield, Tompkins County, New York Surficial geology in West Branch Cayuga Inlet and Fish Kill Valleys, Newfield, Tompkins County, New York Geospatial bathymetry datasets for New Croton Reservoir, New York, 2017 An Investigation into the Water Surface Elevation Changes of Moreau Lake, Moreau Lake State Park, Saratoga County, NY Surface Water Temperature Sites in the Tug Hill Glacial Aquifer Inferred valley ice tongue positions in the Oneonta area, Otsego and Delaware Counties, New York Bedrock elevation beneath main valleys in the Oneonta area, Otsego and Delaware Counties, New York Eskerform features in the Oneonta area, Otsego and Delaware Counties, New York Horizontal-to-vertical spectral ratio soundings and depth-to-bedrock data for valley-fill aquifers in the Oneonta area, Otsego and Delaware Counties, New York, 2016 - 2018 Detailed Aquifer Mapping in the Owasco Inlet valley Towns of Moravia, Locke (Cayuga County) and Groton (Tompkins County), New York The Onondaga Valley Ground-Water Study, central New York Ice-margin Positions in the Owasco Inlet Watershed Area, Cayuga and Tompkins Counties, New York Simulation of migration of brine and saline water from the flooded Retsof salt mine in the Genesee Valley, New York Simulation of the Shallow Ground-Water Flow System at Fire Island National Seashore, Long Island, New York Natural Methane Occurrence in Water Wells of South-Central New York State- Evaluation of Topographic Position and Hydrogeologic Setting Delineation of Rock Fractures, Faults, and Groundwater Flow in the Vicinity of Proposed Water Tunnels, New York City and Southeastern New York Simulation of Contributing Areas to Selected Public Water-Supply Wellfields in the Valley-Fill Aquifers of New York State