Hudson River Salt-Front Monitoring Project, New York

Study area Hudson River from Hyde Park to Yonkers, N.Y. Period of project Continuous since October 1991 Problem - The location of the salt front (freshwater-saltwater interface) in the lower Hudson River basin can affect wildlife habitats and freshwater withdrawals for municipal use. Knowing the location of the salt front can help managers make informed decisions to protect the environment, maintain drinking water standards, and issue health advisories pertaining to drinking water, if needed. Objectives - Estimate the location of the salt front (defined as 100mg/L chloride) in the lower Hudson River. Specifically, collect water-surface elevation, specific conductance, and water-temperature data at three gages...

Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Completed, Cooperative Water Program, Groundwater and Streamflow Information, Groundwater and Streamflow Information, Hudson River Estuary, All tags... National Streamflow Information Program, New York, Saltwater Intrusion, Saltwater Intrusion, Saltwater intrusion, Surface-Water Monitoring, Surface-Water Monitoring, Surface-Water Monitoring, USGS New York Water Science Center, WSC, salt front, 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

Hydrologic-Data Collection in the Five Boroughs of New York City

Problem Previous hydrologic studies have indicated that there may be sufficient water resources underlying Queens, Kings, Richmond, New York, and Bronx Counties for use as a supplemental water supply in times of drought or other emergency. An extensive ground-water and surface-water monitoring program is necessary to provide a comprehensive hydrologic data set for use in ongoing and future ground-water investigations. Objective The project will provide a continuous hydrologic data set needed for resource assessment, planning, and protection. To meet this objective the U.S. Geological Survey (USGS), in cooperation with the New York City Department of Environmental Protection, maintains and operates a network of approximately...

Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Climate Impacts, Climate Impacts, Climate impacts, Contaminants, Emerging, Contaminants, Emerging, All tags... Contaminants, Microbial, Contaminants, Microbial, Contaminants, Natural, Contaminants, Natural, Contaminants, Organic, Contaminants, Organic, Contaminants, emerging, Contaminants, microbial, Contaminants, natural, Contaminants, organic, Cooperative Water Program, Drought, Drought, Drought, Energy Resources, Flood Inundation, Flood Inundation, Flood Inundation, GW or SW, GW or SW, GW or SW, Groundwater Monitoring, Groundwater Monitoring, Groundwater Monitoring, Groundwater and Streamflow Information, Groundwater and Streamflow Information, Human Health Activities Program, Low Flow or Peak Flow, Low Flow or Peak Flow, Low flow or peak flow, New York, New York City, Real Time Monitoring, Saltwater Intrusion, Saltwater Intrusion, Saltwater intrusion, Surface-Water Monitoring, Surface-Water Monitoring, Surface-Water Monitoring, Toxic Substance Hydrology, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water quality, 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