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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...
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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...
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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...
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This archive contains the logistic mapping output vulnerability difference rasters at the conceptual well locations. Data are provided in rasters containing the differences between estimated probabilities of nitrate concentrations greater than 2 milligrams per liter at hypothetical 150 feet and 300 feet deep wells for sequential five-year categories when one or both of the predicted probabilities was equal to or greater than 50 percent.
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Coalbed Methane wells are provided as a method for analysis and illustration of the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each point represents a well location and is symbolized as producing oil, gas, both oil and gas, or other (dry or unknown) using the status code in the attribute table. Data were provided by the Wyoming State Oil and Gas Conservation Commission. See supplemental information section for limitations and assumptions about data.
Categories: Data, pre-SM502.8; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: 503301 = Tertiary-Upper Cretaceous Coalbed Methane, 50330101 = Eastern Basin Margin Upper Fort Union Sandstone, 50330181 = Wasatch Formation, 50330182 = Upper Fort Union Formation, 50330183 = Lower Fort Union-Lance Formations, All tags...
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This is a combined dataset from the USGS Orphaned Well Dataset (Grove and Merrill, 2022) and publicly available data from the USGS National Water Information System, NWIS, obtained via the Water Quality Portal using the USGS Python dataretrieval library. This dataset is composed of water quality measurements from groundwater sites located within 1 mile of the locations of unplugged orphaned wells listed in the United States Documented Unplugged Orphaned Oil and Gas Well Dataset. This dataset contains measurements of common water quality parameter (pH, temperature, specific conductance, TDS), dissolved light hydrocarbons and their isotopes (Methane, δ13C in methane, δ2H in methane, ethane, δ13C in ethane, propane,...
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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....
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Coalbed Methane wells are provided as a method for analysis and illustration of the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each point represents a well location and is symbolized as producing oil, gas, both oil and gas, or other (dry or unknown) using the status code in the attribute table. Data were provided by the Montana Board of Oil and Gas Conservation. See supplemental information section for limitations and assumptions about data.
Categories: Data, pre-SM502.8; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: 503301 = Tertiary-Upper Cretaceous Coalbed Methane, 50330101 = Eastern Basin Margin Upper Fort Union Sandstone, 50330181 = Wasatch Formation, 50330182 = Upper Fort Union Formation, 50330183 = Lower Fort Union-Lance Formations, All tags...
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This archive contains the logistic mapping vulnerability output rasters at the conceptual well locations. Data are provided in rasters containing the estimated probabilities of nitrate concentrations greater than 2 milligrams per liter at hypothetical 150-foot-deep and 300-foot-deep wells.


    map background search result map search result map Assessment of Nutrient Loading to Jamaica Bay, Gateway National Recreation Area, New York Aquifer Appraisal at the Tunison Laboratory of Aquatic Science, Cortland, New York Delineation of the Freshwater-Saltwater Interface at Selected Public-Supply Wells Using Advanced Surface and Borehole Geophysical Techniques, in Eastern Suffolk County, New York Geohydrology of the Valley-Fill Aquifer in Upper Buttermilk Creek/Danby Creek Valleys, Town of Danby, Tompkins County, New York Output vulnerability rasters from logistic mapping at the conceptual well locations for a study of groundwater vulnerability to elevated nitrates in the Puget Sound Basin, Washington, 2000–19 Output vulnerability difference rasters from logistic mapping at the conceptual well locations for a study of groundwater vulnerability to elevated nitrates in the Puget Sound Basin, Washington, 2000–19 Supporting GIS files in study to estimate groundwater vulnerability for elevated nitrates in the Puget Sound Basin, Washington, 2000-19 Measurements of Water Quality Constituents in Groundwater Within 1 Mile (1.61 km) of Orphaned Wells in the United States National Assessment of Oil and Gas Project - Powder River Basin Province (033) - Wyoming Coalbed Methane Wells National Assessment of Oil and Gas Project - Powder River Basin Province (033) - Montana Coalbed Methane Wells Aquifer Appraisal at the Tunison Laboratory of Aquatic Science, Cortland, New York Geohydrology of the Valley-Fill Aquifer in Upper Buttermilk Creek/Danby Creek Valleys, Town of Danby, Tompkins County, New York Assessment of Nutrient Loading to Jamaica Bay, Gateway National Recreation Area, New York National Assessment of Oil and Gas Project - Powder River Basin Province (033) - Montana Coalbed Methane Wells Delineation of the Freshwater-Saltwater Interface at Selected Public-Supply Wells Using Advanced Surface and Borehole Geophysical Techniques, in Eastern Suffolk County, New York Output vulnerability difference rasters from logistic mapping at the conceptual well locations for a study of groundwater vulnerability to elevated nitrates in the Puget Sound Basin, Washington, 2000–19 Supporting GIS files in study to estimate groundwater vulnerability for elevated nitrates in the Puget Sound Basin, Washington, 2000-19 Output vulnerability rasters from logistic mapping at the conceptual well locations for a study of groundwater vulnerability to elevated nitrates in the Puget Sound Basin, Washington, 2000–19 National Assessment of Oil and Gas Project - Powder River Basin Province (033) - Wyoming Coalbed Methane Wells Measurements of Water Quality Constituents in Groundwater Within 1 Mile (1.61 km) of Orphaned Wells in the United States