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Filters Contacts (Less) U.S. Geological Survey - ScienceBase U.S. Geological Survey USGS - Crustal Geophysics and Geochemistry Science Center Water Resources Brian D Rodriguez Philip J Brown II Dominick Antolino Dominick J Antolino Virginia L McGuire Jason Bellino Dominick J. Antolino Brian D. Rodriguez Philip Brown U.S. Geological Survey Nevada Water Science Center U.S. Geological Survey, Lower Mississippi-Gulf Water Science Center Anna M. Nottmeier Joann F Dixon Richard L Marella Office of Planning and Programming Jason C. Bellino Public Information Officer, Oklahoma-Texas Water Science Center Melinda J Chapman U.S. Geological Survey Randall Bayless Toby L Welborn Drew A Westerman Nevada Water Science Center Brian R Clark Terri L Arnold Jonathan A Gillip Phillip D Hays Jason C Bellino Joseph M Richards Benjamin Sperl John A. Robinson Leslie Arihood Melinda J. Chapman Rose L. Medina U.S. Geological Survey, Indiana-Kentucky Water Science Center Randall Bayless Oklahoma-Texas Water Science Center Katherine J Knierim Darbi R Berry Rose L Medina South Atlantic Water Science Center J. LaRue Smith Jessica A. Hopple Michaela R Johnson Toby L. Welborn U.S. Geological Survey Lower Mississippi-Gulf Water Science Center More... View Results as: JSON ATOM CSV

Subsurface structure data for selected wells at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina The data on this page contain borehole structural feature data measured on the optical and acoustic televiewer logs. Dip direction and dip angle, along with depth of feature and feature type are described within each spreadsheet. Categories: Data; Tags: Gaston County, Gastonia, North Carolina, fractured-rock aquifer, geophysical logging, All tags... groundwater, Fewer tags Borehole geologic-unit top-surface altitude and aquifer-component test data for the Piney Point aquifer, Virginia from 2009 through 2015 This USGS data release contains (1) geologic-unit top-surface altitudes in boreholes and (2) aquifer-test time-series water-level drawdowns, recoveries, and supporting data from the Piney Point aquifer in Virginia from 2009 through 2015. Extents, compositions, configurations, and geologic relations of six geologic units that compose the Piney Point aquifer were determined from geologists’ logs of sediment core and cuttings, borehole geophysical logs, and drillers’ logs. The Piney Point aquifer is characterized to address information needs for water-resource management in the Virginia Coastal Plain. Information on the Piney Point aquifer can benefit water-resource management in siting production wells, predicting... Tags: Coastal Plain, Piney Point aquifer, Structural Geology, USGS Science Data Catalog (SDC), Virginia, All tags... geology, groundwater, hydraulic properties, hydrogeologic framework, water supply, Fewer tags Geodatabase supporting the assessment of hydrologic resources and the potential effects from oil and gas development in the Bureau of Land Management Tri-County Planning Area, Sierra, Doña Ana, and Otero Counties, New Mexico This U.S. Geological Survey (USGS) data release presents the geospatial data used to assess the hydrologic resources and the potential effects from oil and gas development in the Bureau of Land Management Tri-County Planning Area, Sierra, Doña Ana, and Otero Counties, New Mexico. Publicly available data were used to assess these resources and effects and to identify data gaps in the Tri-County planning area. These data support the following publication: Blake, J.M., Miltenberger, K.E., Stewart, A.M., Ritchie, A.B., Montoya, J., Durr, C., McHugh, A.R., and Charles, E.G., in press, Assessment of Water Resources and the Potential Effects from Oil and Gas Development in the Bureau of Land Management Tri-County Planning... Tags: Development Potential, Dona Ana, Ecosystem, Environment, Hydrogeology, All tags... Management, Natural Resources, New Mexico, Oil and Gas Investigations Map, Otero County, Sierra County, Surface Water, Surface Water, Tri-County, USGS Science Data Catalog (SDC), biota, boundaries, coal resources, environment, groundwater, location, oil resources, water resource management, water resources, Fewer tags Thickness of the Surficial Aquifer, Delmarva Peninsula, Maryland and Delaware A digital map of the thickness of the surficial unconfined aquifer, including from the land surface and unsaturated zone to the bottom of sediments of geologic units identified as part of the surficial aquifer, was produced to improve understanding of the hydrologic system in the Maryland and Delaware portions of the Delmarva Peninsula. The map is intended to be used in conjunction with other environmental coverages (such land use, wetlands, and soil characteristics) to provide a subsurface hydrogeologic component to studies of nitrate transport that have historically relied on maps of surficial features. It could also be used to study the transport of other water soluble chemicals. The map was made using the... Types: Citation; Tags: Aquifer Thickness, Coastal Plain, Coastal Plain Aquifer, Delaware, Groundwater, All tags... Maryland, Northern Atlantic Coastal Plain, Quaternary Sediments, Raster Dataset, USGS Science Data Catalog (SDC), United States, Water Quality, Water Quality, environment, geoscientificInformation, inlandWaters, Fewer tags Thicknesses ASCII files for each of the Hydrogeologic Units of the Ozark Plateaus Aquifer System A hydrogeologic framework of the Ozark Plateaus aquifer system was constructed as the base for a groundwater flow model developed as part of the U.S. Geological Survey Water Availability and Use Science Program to aid in the understanding of groundwater availability in select aquifer systems of the United States. The Ozark Plateaus aquifer system study area (hereinafter referred to as the “Ozark system”) is nearly 70,000 square miles and includes parts of Arkansas, Kansas, Missouri, and Oklahoma. A hydrogeologic framework was constructed to represent the altitudes and thicknesses of nine hydrogeologic units within the Ozark Plateaus aquifer system - . the Western Interior Plains confining system, Springfield Plateau... Types: Citation; Tags: Arkansas, Arkansas, Kansas, Kansas, Lower Mississippi-Gulf, All tags... Missouri, Missouri, Oklahoma, Oklahoma, Ozark Mountains, Ozark Plateaus, Ozark Plateaus aquifer system, U.S. Geological Survey, USGS, Water Availability and Use Science Program, Water Science Center, aquifer, confining unit, framework, groundwater, groundwater availability, groundwater availability project, groundwater modeling, hydrogeologic framework, hydrogeologic modeling, hydrogeology, raster, surface, surficial aquifer, thickness, Fewer tags Thicknesses for each of the Hydrogeologic Units of the Ozark Plateaus Aquifer System A hydrogeologic framework of the Ozark Plateaus aquifer system was constructed as the base for a groundwater flow model developed as part of the U.S. Geological Survey Water Availability and Use Science Program to aid in the understanding of groundwater availability in select aquifer systems of the United States. The Ozark Plateaus aquifer system study area (hereinafter referred to as the “Ozark system”) is nearly 70,000 square miles and includes parts of Arkansas, Kansas, Missouri, and Oklahoma. A hydrogeologic framework was constructed to represent the altitudes and thicknesses of nine hydrogeologic units within the Ozark Plateaus aquifer system - . the Western Interior Plains confining system, Springfield Plateau... Types: Citation; Tags: Arkansas, Arkansas, Kansas, Kansas, Lower Mississippi-Gulf, All tags... Missouri, Missouri, Oklahoma, Oklahoma, Ozark Mountains, Ozark Plateaus, Ozark Plateaus aquifer system, U.S. Geological Survey, USGS, Water Availability and Use Science Program, Water Science Center, aquifer, confining unit, framework, groundwater, groundwater availability, groundwater availability project, groundwater modeling, hydrogeologic framework, hydrogeologic modeling, hydrogeology, raster, surface, surficial aquifer, thickness, Fewer tags Data for Methane in Aquifers Used for Public Supply in the United States In 2013 to 2015, 833 public supply wells in 15 Principal aquifers in the United States were sampled to identify which aquifers contained high methane concentrations (>1 mg/L) and determine the geologic, hydrologic, and geochemical conditions associated with high concentrations. This study represents the first national assessment of methane in aquifers used for public supply in the U.S. and, as such, advances the understanding of the occurrence and distribution of methane in groundwater nationally. Methane concentrations >1 and >10 mg/L occurred in 6.7 and 1.1% of the samples, respectively. Most high concentrations occurred in aquifers in the Atlantic and Gulf Coastal Plain regions and upper Midwest. High methane... Tags: Groundwater, NAWQA, National Water Quality Program, Nawqa, USGS Science Data Catalog (SDC), All tags... United States, cycle 3, methane, public-supply well, water quality, Fewer tags (A2) Water-level change data used to map water-level changes in the High Plains aquifer, predevelopment (about 1950) to 2015 The High Plains aquifer extends from south of about 32 degrees to almost 44 degrees north latitude and from about 96 degrees 30 minutes to 106 degrees west longitude. The aquifer underlies about 175,000 square miles in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. This digital data set contains the water-level measurements from 3,092 wells measured in both predevelopment (about 1950) and 2015 and from 72 wells, which are located in New Mexico and Wyoming and were measured in predevelopment and at least one time from 2011 to 2014. These water-level measurements were used to map water-level changes, predevelopment (about 1950) to 2015. The map was reviewed for consistency... Tags: Colorado, Great Plains, High Plains, High Plains aquifer, Kansas, All tags... Nebraska, New Mexico, Ogallala aquifer, Oklahoma, South Dakota, Texas, Wyoming, aquifers, geoscientificInformation, ground water, groundwater, inlandWaters, inlandWaters, water-level change, Fewer tags Texture-Based Estimated Equivalent Horizontal Hydraulic Conductivity of the Glacial Deposits The glacial aquifer system of the United States encompasses all or parts of 25 states and is the most widely used supply of drinking water in the Nation (Maupin and Barber, 2005; Maupin and Arnold, 2010). A series of seven raster data sets were derived from a database of water-well drillers' records that was compiled in partial fulfillment of the goals of the U.S. Geological Survey’s Groundwater Availability and Use assessment program (U.S. Geological Survey, 2002). They contain hydrogeologic information for areas of the U.S. that are north of the southern limit of Pleistocene glaciation, including the total thickness of glacial deposits, thickness of coarse-grained sediment within the glacial deposits, specific-capacity... Tags: Aquifer, Coarse, Connecticut, Deposits, Glacial, All tags... Gravel, Groundwater, Hydraulic Conductivity, Hydrogeology, Idaho, Illinois, Indiana, Iowa, Kansas, Massachusetts, Michigan, Minnesota, Montana, Nebraska, New Hampshire, New York, North Dakota, Ohio, Pennsylvania, Rhode Island, Sand, Sediment, South Dakota, Specific Capacity, Thickness, Transmissivity, Vermont, Water Availability, Wisconsin, environment, geoscientificInformation, inlandWaters, Fewer tags Data used to map water-level changes in the High Plains aquifer, predevelopment (about 1950) to 2015 and 2013 to 2015 This USGS data release consists of two geospatial raster datasets and three geospatial vector data sets of water-level data. The data sets include a raster (A1) representing water-level change from predevelopment (about 1950) to 2015; the primary vector dataset (A2) of water-level-change data of static or near-static water levels in wells measured in predevelopment and 2015 (for wells in Colorado, Kansas, Nebraska, Oklahoma, South Dakota, and Texas) and in wells measured in predevelopment and the latest available static or near-static water level from 2011 to 2015 (for wells in New Mexico and Wyoming), a supplemental vector dataset (A3) of water-level data used to manually substantiate the raster of water-level... Tags: Colorado, Great Plains, High Plains, High Plains aquifer, Hydrogeology, All tags... Kansas, Nebraska, New Mexico, Ogallala aquifer, Oklahoma, South Dakota, Texas, USGS Science Data Catalog (SDC), Water Resources, Wyoming, aquifers, geoscientificInformation, ground water, groundwater, inlandWaters, inlandWaters, water-level change, Fewer tags Groundwater discharge areas for the 14 hydrographic areas in the middle Humboldt River Basin, north-central Nevada This data set contains polygons representing the groundwater discharge areas for the 14 hydrographic areas in the middle Humboldt River Basin, north-central Nevada. Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Antelope Valley, Boulder Flat, Carico Lake Valley, Clovers Area, Crescent Valley, All tags... Discharge, ET, ET unit, Evaporation, Evapotranspiration, Great Basin, Groundwater, Groundwater Discharge, Humboldt River Basin, Humboldt River Region, Kelly Creek Area, Lower Reese River Valley, Middle Reese River Valley, Nevada, Phreatophyte, Pine Valley, Pumpernickel Valley, Rock Creek Valley, Transpiration, USGS Science Data Catalog (SDC), Upper Reese River Valley, Water Resources, Whirlwind Valley, Willow Creek Valley, biota, climatologyMeteorologyAtmosphere, inlandWaters, Fewer tags Groundwater Sites Evaluated to Assess The Vulnerability of Public Supply Wells To Increasing Arsenic Concentrations In Southeastern Carson Valley, Douglas County, Nevada Over the past 15 years Douglas County, NV has removed production wells in northern Carson Valley from use due to relatively high arsenic concentrations (Carl Ruschmeyer, January 2013, Douglas County Public Works Director, verbal communication). To maintain the supply of water to the public, the town of Minden has been providing water to Douglas County and Carson City. Due to the projected increases in municipal demand, water resource managers are concerned that increasing pumping rates from wells in Minden may change groundwater chemistry and degrade the resource by potentially drawing in arsenic enriched water. Naturally occurring arsenic is one of the most common contaminants in groundwater in the western United... Tags: Carson River, Carson Valley, Douglas County, East Valley Census Designated Area, Fish Springs Census Designated Area, All tags... Gardnerville, Gardnerville Ranchos, Minden, Nevada, Pine Nuts Division, Ruhenstroth Census Designated Area, USGS Science Data Catalog (SDC), United States of America, arsenic, contamination and pollution, groundwater, inlandWaters, water quality, Fewer tags MT station 6 This dataset includes the magnetotelluric (MT) sounding data collected in 2008 in and near the Patagonia Mountains of Arizona. The U.S. Geological Survey (USGS) conducted a series of multidisciplinary studies as part of the Assessment Techniques for Concealed Mineral Resources project funded by the USGS Minerals Resources Program in cooperation with the U.S. Forest Service. Types: Citation; Tags: Arizona, CGGSC, Crustal Geophysics and Geochemistry Science Center, Cumero Canyon, Electromagnetic surveying, All tags... GPS measurement, Geophysics, Harshaw, MRP, MT, Magnetic field (earth), Magnetic surveying, Mineral Resources Program, Mount Hughes, Patagonia, Patagonia Mountains, San Rafael Valley, San Rafael Valley porphyry copper system, Santa Cruz County, Sunnyside porphyry copper system, Time series, apparent resistivity, aquifer, geoscientificinformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetotelluric, sounding, tipper, Fewer tags Magnetotelluric sounding data, station 25, San Luis Valley, Colorado, 2007 This dataset includes the magnetotelluric (MT) sounding data collected in 2007 in and near the San Luis Valley, Colorado. The U.S. Geological Survey conducted a series of multidisciplinary studies, including MT surveys, in the San Luis Valley to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. The shallow unconfined and the deeper confined Santa Fe Group aquifers in the San Luis Basin are the main sources of municipal water for the region. The population of the San Luis Valley region is growing rapidly and water shortfalls could have serious consequences. Future growth and land management... Tags: CGGSC, Colorado, Crustal Geophysics and Geochemistry Science Center, Electromagnetic surveying, GPS measurement, All tags... Geophysics, Great Sand Dunes National Park, MRP, MT, Magnetic field (earth), Magnetic surveying, Mineral Resources Program, Rocky Mountains, Saguache County, San Luis Valley, apparent resistivity, aquifer, geoscientificinformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetotelluric, sounding, tipper, Fewer tags Magnetotelluric sounding data, station 43, San Luis Valley, Colorado, 2007 This dataset includes the magnetotelluric (MT) sounding data collected in 2007 in and near the San Luis Valley, Colorado. The U.S. Geological Survey conducted a series of multidisciplinary studies, including MT surveys, in the San Luis Valley to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. The shallow unconfined and the deeper confined Santa Fe Group aquifers in the San Luis Basin are the main sources of municipal water for the region. The population of the San Luis Valley region is growing rapidly and water shortfalls could have serious consequences. Future growth and land management... Tags: Alamosa County, CGGSC, Colorado, Crustal Geophysics and Geochemistry Science Center, Electromagnetic surveying, All tags... GPS measurement, Geophysics, MRP, MT, Magnetic field (earth), Magnetic surveying, Mineral Resources Program, Rocky Mountains, San Luis Valley, apparent resistivity, aquifer, geoscientificinformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetotelluric, sounding, tipper, Fewer tags Magnetotelluric sounding data, station 4, Taos Plateau Volcanic Field, New Mexico, 2009 This dataset includes the magnetotelluric (MT) sounding data collected in 2009 in and near the San Luis Basin, New Mexico. The U.S. Geological Survey conducted a series of multidisciplinary studies, including MT surveys, in the San Luis Basin to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. The shallow unconfined and the deeper confined Santa Fe Group aquifers in the San Luis Basin are the main sources of municipal water for the region. The population of the San Luis Basin region is growing rapidly and water shortfalls could have serious consequences. Future growth and land management... Types: Citation; Tags: CGGSC, Cerro, Crustal Geophysics and Geochemistry Science Center, Electromagnetic surveying, GPS measurement, All tags... Geophysics, MRP, MT, Magnetic field (earth), Magnetic surveying, Mineral Resources Program, New Mexico, Questa, Rocky Mountains, San Luis Valley, Taos, Taos County, Tres Piedras, apparent resistivity, aquifer, geoscientificinformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetotelluric, sounding, tipper, Fewer tags MT station 3 This dataset includes the magnetotelluric (MT) sounding data collected in 2008 in and near the Patagonia Mountains of Arizona. The U.S. Geological Survey (USGS) conducted a series of multidisciplinary studies as part of the Assessment Techniques for Concealed Mineral Resources project funded by the USGS Minerals Resources Program in cooperation with the U.S. Forest Service. Types: Citation; Tags: Arizona, CGGSC, Crustal Geophysics and Geochemistry Science Center, Cumero Canyon, Electromagnetic surveying, All tags... GPS measurement, Geophysics, Harshaw, MRP, MT, Magnetic field (earth), Magnetic surveying, Mineral Resources Program, Mount Hughes, Patagonia, Patagonia Mountains, San Rafael Valley, San Rafael Valley porphyry copper system, Santa Cruz County, Sunnyside porphyry copper system, Time series, apparent resistivity, aquifer, geoscientificinformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetotelluric, sounding, tipper, Fewer tags Magnetotelluric sounding data, station 42, San Luis Valley, Colorado, 2007 This dataset includes the magnetotelluric (MT) sounding data collected in 2007 in and near the San Luis Valley, Colorado. The U.S. Geological Survey conducted a series of multidisciplinary studies, including MT surveys, in the San Luis Valley to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. The shallow unconfined and the deeper confined Santa Fe Group aquifers in the San Luis Basin are the main sources of municipal water for the region. The population of the San Luis Valley region is growing rapidly and water shortfalls could have serious consequences. Future growth and land management... Tags: Alamosa County, CGGSC, Colorado, Crustal Geophysics and Geochemistry Science Center, Electromagnetic surveying, All tags... GPS measurement, Geophysics, MRP, MT, Magnetic field (earth), Magnetic surveying, Mineral Resources Program, Rocky Mountains, San Luis Valley, apparent resistivity, aquifer, geoscientificinformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetotelluric, sounding, tipper, Fewer tags Magnetotelluric sounding data, station 34, San Luis Valley, Colorado, 2007 This dataset includes the magnetotelluric (MT) sounding data collected in 2007 in and near the San Luis Valley, Colorado. The U.S. Geological Survey conducted a series of multidisciplinary studies, including MT surveys, in the San Luis Valley to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. The shallow unconfined and the deeper confined Santa Fe Group aquifers in the San Luis Basin are the main sources of municipal water for the region. The population of the San Luis Valley region is growing rapidly and water shortfalls could have serious consequences. Future growth and land management... Tags: CGGSC, Colorado, Costilla County, Crustal Geophysics and Geochemistry Science Center, Electromagnetic surveying, All tags... GPS measurement, Geophysics, MRP, MT, Magnetic field (earth), Magnetic surveying, Mineral Resources Program, Rocky Mountains, San Luis Valley, apparent resistivity, aquifer, geoscientificinformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetotelluric, sounding, tipper, Fewer tags Table 5: Groundwater withdrawals from the Floridan aquifer system by county, 2005 Values represent groundwater withdrawals from the Floridan aquifer system for 2005 in the southeastern United States. Withdrawals were computed by multiplying the gross groundwater withdrawals for each county by a coefficient representing the proportion of total groundwater withdrawals coming from each aquifer. Coefficients for each county and water-use category were back-calculated from data published in Marella and Berndt, 2005, Water withdrawals and trends from the Floridan aquifer system in the southeastern United States, 1950–2000: U.S. Geological Survey Circular 1278, 20 p. and also from unpublished data from the U.S. Geological Survey South Atlantic Water Science Center (Georgia District). Categories: Data; Types: Citation; Tags: Alabama, Florida, Floridan aquifer system, Georgia, South Carolina, All tags... groundwater, water use, Fewer tags « 1 ... 3 4 5 6 7 8 »