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Shapefiles of hydrogeologic unit extents and top-surface altitude contours used in the revised hydrogeologic framework for the Virginia Coastal Plain Southwest of the James River A revision to the hydrogeologic framework of the Virginia coastal plain southwest of the James River was developed by USGS during 2019-2021. This revision includes modifications to existing understanding of the groundwater system in Prince George, Surry, Sussex, Isle of Wight, and Southampton counties and the cities of Franklin and Suffolk in southeast Virginia. This USGS data release contains a csv file of interpreted borehole hydrogeologic-unit top-surface altitudes, a shapefile of the study area extent, a shapefile of faults within the study area, shapefiles of altitude contours for 12 hydrogeologic-unit top surfaces, shapefiles of hydrogeologic-unit margins for 10 hydrogeologic-units in the coastal plain of... Categories: Data; Tags: Franklin city, Geophysics, Hydrology, Isle of Wight County, James River, All tags... Prince George County, Southampton County, Stratigraphy, Suffolk city, Surry County, Sussex County, USGS Science Data Catalog (SDC), Virginia, Water Resources, aquifer, borehole logging, confining unit, groundwater, hydrogeologic framework, hydrogeology, hydrology, Fewer tags Rondout Neversink study area hydrogeologic framework layers Digital hydrogeologic datasets were developed for the Rondout-Neversink study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets define the hydrogeologic framework of the valley-fill aquifer and surrounding till-covered uplands within the study area. Datasets include: bedrock elevation raster, lacustrine silt and clay top and bottom elevation rasters, lidar minimum elevation raster, lacustrine extent polygon, valley-fill extent polygon, and surficial geology polygons. Elevation layers were interpolated at 125-foot discretization to match the model grid cell size. Tags: Aquifer Mapping, Aquifer mapping, Bedrock mapping, GW Model, GW or SW, All tags... Geospatial Applications, Groundwater-Flow Modeling, Hydrogeologic framework, Lacustrine silt and clay, New York, Orange County, Rondout-Neversink, Source Water or Drinking Water, Sourcewater, Sullivan County, Ulster County, Valley fill, Water, Water Use and Availability Science, glacial geology, Fewer tags Digital elevations and extents of regional hydrogeologic units in the Northern Atlantic Coastal Plain aquifer system A digital model of the sedimentary Northern Atlantic Coastal Plain aquifer system is composed of 20 rasters and hydrogeologic unit extent polygons. Rasters describe the top elevations of regional aquifers and confining units at a resolution of 2640 feet (1/2 mile). The rasters are clipped to the extent polygons, which represent the spatial extents of the hydrogeologic units onshore and several miles offshore. This three-dimensional hydrogeologic model was constructed as part of a U.S. Geological Survey Groundwater Resources Program study of groundwater availability in the Northern Atlantic Coastal Plain (NACP) aquifer system, including parts of New York, New Jersey, Delaware, Maryland, Virginia, and North Carolina.... Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Aquia aquifer, Delaware, Delmarva Peninsula, Eastern Shore, Fall Line, All tags... Fall Zone, Groundwater and Streamflow Information Program, Hydrogeology, Lower Chesapeake aquifer, Magothy aquifer, Maryland, Matawan aquifer, Monmouth-Mount Laurel aquifer, New Jersey, New York, North Carolina, Northern Atlantic Coastal Plain, Northern Atlantic Coastal Plain aquifer system, Piney Point aquifer, Potomac-Patapsco aquifer, Potomac-Patuxent aquifer, USGS Science Data Catalog (SDC), Upper Chesapeake aquifer, Virginia, confined, elevations, heterogeneous, hydrogeologic framework, hydrogeologic units, inlandWaters, surficial aquifer, unconfined, unconsolidated, Fewer tags Greene study area hydrogeologic framework layers Digital hydrogeologic datasets were developed for the Greene study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets define the hydrogeologic framework of the valley-fill aquifer and surrounding till-covered uplands within the study area. Datasets include: bedrock elevation raster, lacustrine silt and clay top and bottom elevation rasters, lidar minimum elevation raster, lacustrine extent polygon, valley-fill extent polygon, and surficial geology polygons. Elevation layers were interpolated at 125-foot discretization to match the model grid cell size. Tags: Aquifer Mapping, Aquifer mapping, Bedrock mapping, Chenango County, GW Model, All tags... GW or SW, Geospatial Applications, Greene, Groundwater-Flow Modeling, Hydrogeologic framework, Lacustrine silt and clay, New York, Source Water or Drinking Water, Sourcewater, Valley fill, Water, Water Use and Availability Science, glacial geology, Fewer tags Jamestown study area hydrogeologic framework layers Digital hydrogeologic datasets were developed for the Jamestown study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets define the hydrogeologic framework of the valley-fill aquifer and surrounding till-covered uplands within the study area. Datasets include: bedrock elevation raster, lacustrine silt and clay top and bottom elevation rasters (where present), LIDAR minimum elevation raster, lacustrine extent polygon, valley-fill extent polygon, and surficial geology polygons. Elevation layers were interpolated at 125-foot discretization to match what was done in previous work. Tags: Aquifer Mapping, Aquifer mapping, Bedrock mapping, Cattaraugus County, Chautauqua County, All tags... GW Model, GW or SW, Geospatial Applications, Glacial geology, Groundwater-Flow Modeling, Hydrogeologic framework, Jamestown, Lacustrine silt and clay, New York, Source Water or Drinking Water, Sourcewater, Valley fill, Water, Water Use and Availability Science, Fewer tags Hydrogeologic Data for the Development of the Hydrogeologic Framework of the Coastal Lowlands Aquifer System Regional Groundwater Availability Study Area in Texas, Louisiana, Mississippi, Alabama, and Florida Note: this data release has been deprecated. Please see new data release here: https://doi.org/10.5066/P9PEFY11. The U.S. Geological Survey (USGS) undertook a 5-year study beginning in 2016 to assess groundwater availability for the aquifers proximal to the Gulf of Mexico from the Texas-Mexico border to the western part of the panhandle of Florida; these aquifers are collectively referred to as the coastal lowlands aquifer system. This study is one of several regional groundwater availability studies being done as part of the USGS Water Availability and Use Science Program. Groundwater from the coastal lowlands aquifer system is used mainly for public, irrigation, and industrial supply. Land-surface subsidence... Tags: Alabama, Burkeville confining unit, Catahoula aquifer, Chicot aquifer, Coastal lowlands aquifer system, All tags... Cretaceous, Eocene, Florida, Gulf of Mexico, Holocene, Jasper aquifer, Louisiana, Miocene, Mississippi, Oligocene, Paleocene, Pleistocene, Pliocene, Quaternary, Regional Groundwater Availability Study, Tertiary, Texas, Vicksburg-Jackson confining unit, Water Availability and Use Science Program, conceptual model, elevation, formation contacts, hydrogeologic framework, structure, Fewer tags Cortland study area hydrogeologic framework layers Digital hydrogeologic datasets were developed for the Cortland study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets define the hydrogeologic framework of the valley-fill aquifer and surrounding till-covered uplands within the study area. Datasets include: bedrock elevation raster, lacustrine silt and clay top and bottom elevation rasters, lidar mean elevation raster, lacustrine extent polygon, valley-fill extent polygon, and surficial geology polygons. Elevation layers were interpolated at 125-foot discretization to match the model grid cell size. Tags: Aquifer Mapping, Aquifer mapping, Bedrock mapping, Cortland, Cortland County, All tags... GW Model, GW or SW, Geospatial Applications, Groundwater-Flow Modeling, Hydrogeologic framework, Lacustrine silt and clay, New York, Source Water or Drinking Water, Sourcewater, Valley fill, Water, Water Use and Availability Science, glacial geology, Fewer tags Olean study area hydrogeologic framework layers Digital hydrogeologic datasets were developed for the Olean study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets define the hydrogeologic framework of the valley-fill aquifer and surrounding till-covered uplands within the study area. Datasets include: bedrock elevation raster, lacustrine silt and clay top and bottom elevation rasters (where present) for the main lacustrine unit, lacustrine silt and clay top and bottom elevation rasters (where present) for an upper lacustrine unit, LIDAR minimum elevation raster, lacustrine extent polygons, valley-fill extent polygon, and surficial geology polygons. Elevation layers were interpolated at 125-foot... Tags: Allegany County, Aquifer Mapping, Aquifer mapping, Bedrock mapping, Cattaraugus County, All tags... Chautauqua County, GW Model, GW or SW, Geospatial Applications, Glacial geology, Groundwater-Flow Modeling, Hydrogeologic framework, Lacustrine silt and clay, New York, Olean, Source Water or Drinking Water, Sourcewater, Valley fill, Water, Water Use and Availability Science, Fewer tags Data used to describe hydrogeologic units and create contour maps and cross sections of the Boone and Roubidoux Aquifers, northeastern Oklahoma The Ozark Plateau aquifer system stretches across approximately 70,000 square miles (mi2) of Arkansas, Missouri, Kansas and Oklahoma, and is composed of many hydrogeologic units, such as the Boone aquifer and the Roubidoux aquifer. However, this data release is focused on only 11,000 mi2 in northern Arkansas, southeastern Kansas, southwestern Missouri, and northeastern Oklahoma. The Boone aquifer covers approximately 10,700 mi2 of this area, and the Roubidoux aquifer covers the 11,000 mi2 area entirely. These aquifers are mostly made of Mississippian-aged and Ordovician-aged carbonate rock, and serve as the main sources of fresh groundwater in northeastern Oklahoma (Imes and Emmett, 1994). In 2017, the U.S. Geological... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, Raster, Shapefile; Tags: Arkansas, Boone, Kansas, Missouri, Oklahoma, All tags... Oklahoma, Ozark, Ozark Plateaus aquifer system, Ozarks, Roubidoux, U.S. Geological Survey, USGS Science Data Catalog (SDC), Water Resources, Water Science Center, altitude, aquifer, contouring, digital elevation models, elevation, geoscientificInformation, geospatial datasets, hydrogeologic framework, hydrogeology, inlandWaters, stratigraphic sections, structural geology, Fewer tags Fishkill and Wappinger Falls study area hydrogeologic framework layers Digital hydrogeologic datasets were developed for the Fishkill and Wappinger Falls study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets define the hydrogeologic framework of the valley-fill aquifer and surrounding till-covered uplands within the study area. Datasets include: bedrock elevation raster, lacustrine silt and clay top and bottom elevation rasters (where present), LIDAR minimum elevation raster, lacustrine extent polygon, valley extent polygon, and surficial geology polygons. Elevation layers were interpolated at 125-foot discretization to match what was done in previous work. Tags: Aquifer Mapping, Aquifer mapping, Bedrock mapping, Dutchess County, GW Model, All tags... GW or SW, Geospatial Applications, Glacial geology, Groundwater-Flow Modeling, Hydrogeologic framework, Lacustrine silt and clay, New York, Putnam County, Source Water or Drinking Water, Sourcewater, Valley fill, Water, Water Use and Availability Science, Fewer tags Topobathymetric Digital Elevation Model (TBDEM) of the Eastern Shore Peninsula of Virginia and adjacent parts of Maryland with a horizontal resolution of 1 meter and vertical resolution of 1 centimeter This topobathymetric digital elevation model (TBDEM) represents the topography and bathymetry for the Eastern Shore peninsula of Virginia, including Accomack and Northampton counties, and extending into Worcester and Somerset counties in Maryland. The TBDEM has a horizontal grid spacing of 1 meter and vertical units of 1 (integer) centimeter. This dataset combines U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center Coastal National Elevation Database topobathymetric DEM (CoNED TBDEM) data with data from the USGS Northern Atlantic Coastal Plain DEM, the latter of which were used to extend the bathymetric surface further offshore. In some areas, National Map 3D Elevation Program (3DEP)... Categories: Data; Types: Data, Raster; Tags: Accomack County, Digital Elevation Model (DEM)., Groundwater and Streamflow Information Program, Maryland, Northampton County, All tags... Northern Atlantic Coastal Plain, Somerset County, USGS Science Data Catalog (SDC), Virginia, Worcester County, bathymetry, digital elevation models, elevation, elevational gradient, hydrogeologic framework, inlandWaters, land surface characteristics, topography, Fewer tags Geospatial datasets developed for a groundwater-flow model of the Denver Basin aquifer system, Colorado In 2004, the U.S. Geological Survey initiated a large-scale regional study of the Denver Basin aquifer system to evaluate the hydrologic effects of continued pumping and document an updated groundwater-flow model useful for appraisal of hydrologic conditions (Paschke, 2011). This data release includes spatial datasets used as input for a three-dimensional groundwater-flow model of the Denver Basin aquifer system. Spatial datasets were developed for six Denver Basin bedrock aquifers and five intervening confining units including, from oldest to youngest, the Laramie-Fox Hills aquifer (KLF), Laramie confining unit (KLC), lower Arapahoe aquifer (LKA), Arapahoe confining unit (KAC), upper Arapahoe aquifer (UKA), Denver... Tags: Colorado, Denver Basin, Denver Basin aquifer system, Hydrology, Structural Geology, All tags... USGS Science Data Catalog (SDC), Water Resources, bedrock aquifer, confining unit, groundwater-flow model, hydrogeologic framework, Fewer tags Hydrogeologic Data for the Development of the Hydrogeologic Framework of the Coastal Lowlands Aquifer System Regional Groundwater Availability Study Area in Texas, Louisiana, Mississippi, Alabama, and Florida The U.S. Geological Survey (USGS) undertook a 5-year study beginning in 2016 to assess groundwater availability for the aquifers proximal to the Gulf of Mexico from the Texas-Mexico border to the western part of the panhandle of Florida; these aquifers are collectively referred to as the coastal lowlands aquifer system. This study is one of several regional groundwater availability studies being done as part of the USGS Water Availability and Use Science Program. Groundwater from the coastal lowlands aquifer system is used mainly for public, irrigation, and industrial supply. Land-surface subsidence related to groundwater pumping is an issue of ongoing concern within this study area. During the first two years of... Categories: Data; Tags: Alabama, Burkeville confining unit, Catahoula aquifer, Chicot aquifer, Coastal lowlands aquifer system, All tags... Cretaceous, Eocene, Florida, Gulf of Mexico, Holocene, Hydrology, Jasper aquifer, Louisiana, Miocene, Mississippi, Oligocene, Paleocene, Pleistocene, Pliocene, Quaternary, Regional Groundwater Availability Study, Tertiary, Texas, USGS Science Data Catalog (SDC), Vicksburg-Jackson confining unit, Water Availability and Use Science Program, Water Resources, conceptual model, elevation, formation contacts, hydrogeologic framework, structure, Fewer tags Compilation of Time-Domain Electromagnetic Surface Geophysical Soundings, Historical Borehole Characteristics, Water Level, Water Quality and Hydraulic Properties Data Throughout Gaines, Yoakum, and Terry Counties in Texas, 1929-2019 In cooperation with the Llano Estacado Underground Water Conservation District (LEUWCD), the Sandy Land Underground Water Conservation District (SLUWCD), and the South Plains Underground Water Conservation District (SPUWCD), the U.S. Geological Survey (USGS) compiled historical geophysical and geochemical data in Gaines, Yoakum, and Terry Counties, Texas, and collected additional data where gaps were evident to assist with building a conceptual hydrogeologic model of the Gaines, Yoakum, and Terry Counties region. The compiled historical data includes all data available from predevelopment (pre-1945) through present day. For this study, predevelopment is considered everything prior to 1945 when the large-scale groundwater... Tags: Dockum aquifer, Edwards-Trinity aquifer, Gaines County, Geochemistry, Geophysics, All tags... Groundwater, Llano Estacado Underground Water Conservation District, Ogallala aquifer, Sandy Land Underground Water Conservation District, South Plains Underground Water Conservation District, Terry County, USGS Science Data Catalog (SDC), Water Levels, Water Quality, Yoakum County, hydrogeologic framework, time-domain, Fewer tags Borehole hydrogeologic-unit top-surface altitudes, aquifer hydraulic properties, and groundwater-sample chloride-concentration data from 1906 through 2016 for the Virginia Eastern Shore A hydrogeologic framework was developed by USGS during 2016-19 to describe the groundwater system on the Virginia Eastern Shore. This USGS data release contains text files of (1) interpreted borehole hydrogeologic-unit top-surface altitudes, (2) summary values of previously documented estimates of aquifer hydraulic properties, and (3) groundwater-sample chloride concentrations and well summary statistics. In addition are shapefiles of altitude contours for 10 hydrogeologic-unit top surfaces, and for the groundwater 250 milligrams per liter chloride-concentration surface. This data release supports the following publication: McFarland, E.R., and Beach, T.A., 2019, Hydrogeologic framework of the Virginia Eastern... Categories: Data; Tags: Accomack County, Virginia, Atlantic Coastal Plain Physiographic Province, Delaware, Delmarva peninsula, Geophysics, All tags... Hydrology, Maryland, Northampton County, Virginia, Saint Marys confining unit, Stratigraphy, USGS Science Data Catalog (SDC), Virginia, Virginia Eastern Shore, Washington DC, Water Quality, Water Resources, Yorktown-Eastover aquifer system, aquifers, chloride, confining units, groundwater, groundwater flow, hydraulic properties, hydrogeologic framework, paleochannels, saltwater intrusion, saltwater movement, storativity, transmissivity, water supply, water supply and demand, water-resource management, Fewer tags Ellicottville study area hydrogeologic framework layers Digital hydrogeologic datasets were developed for the Ellicottville study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets define the hydrogeologic framework of the valley-fill aquifer and surrounding till-covered uplands within the study area. Datasets include: bedrock elevation raster, LIDAR minimum elevation raster, valley-fill extent polygon, and surficial geology polygons. Elevation layers were interpolated at 125-foot discretization to match what was done in previous work. Tags: Aquifer Mapping, Aquifer mapping, Bedrock mapping, Cattaraugus County, GW Model, All tags... GW or SW, Geospatial Applications, Glacial geology, Groundwater-Flow Modeling, Hydrogeologic framework, Lacustrine silt and clay, New York, Source Water or Drinking Water, Sourcewater, Valley fill, Water, Water Use and Availability Science, Fewer tags Cincinnatus study area hydrogeologic framework layers Digital hydrogeologic datasets were developed for the Cincinnatus study area in upstate New York in cooperation with the New York State Department of Environmental Conservation. These datasets define the hydrogeologic framework of the valley-fill aquifer and surrounding till-covered uplands within the study area. Datasets include: bedrock elevation raster, lacustrine silt and clay top and bottom elevation rasters, lidar minimum elevation raster, lacustrine extent polygon, valley-fill extent polygon, and surficial geology polygons. An alternate geologic interpretation was considered for modeling purposes. An alternate lacustrine extent and top and bottom elevation rasters are included within this data release. Elevation... Tags: Aquifer Mapping, Aquifer mapping, Bedrock mapping, Chenango County, Cincinnatus, All tags... Cortland County, GW Model, GW or SW, Geospatial Applications, Groundwater-Flow Modeling, Hydrogeologic framework, Lacustrine silt and clay, New York, Source Water or Drinking Water, Sourcewater, Valley fill, Water, Water Use and Availability Science, glacial geology, Fewer tags