19 datasets found
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Federal
Data for assessing the penetration depth post-1950s water in the Central Valley aquifer system, California (July 2022)
Department of the Interior —
This dataset provides groundwater ages estimates that were used in an assessment of the penetration depth of modern groundwater in the Central Valley aquifer system... -
Federal
Dissolved Noble Gas Concentrations and Modeled Recharge Temperatures for Groundwater from Northern Sierra Nevada Foothills Shallow Aquifer Assessment Study Units, 2015-2017: Results from the California GAMA Priority Basin Project
Department of the Interior —
This data release documents 155 sets of dissolved noble gas analyses (neon, argon, krypton, xenon) and 153 modeled recharge temperatures for groundwater sampled from... -
Federal
Data for Radium Mobility and the Age of Groundwater in Public-drinking-water Supplies from the Cambrian-Ordovician Aquifer System, North-Central USA: Table 3. Detailed information on calculations of environmental tracer data.
Department of the Interior —
High radium (Ra) concentrations in potable portions of the Cambrian-Ordovician (C-O) aquifer system were investigated using water-quality data and environmental... -
Federal
Groundwater data and age information from samples collected in Minnesota (ver. 2.0, January 2024)
Department of the Interior —
Groundwater age distributions and susceptibility to natural and anthropogenic contaminants were assessed for selected wells, streambed piezometers, and springs in... -
Federal
Data for Assessing the Susceptibility of Groundwater Using Environmental Tracers in Northern Atlantic Coastal Plain Aquifer System and Piedmont and Blue Ridge Crystalline-Rock Aquifers of Eastern United States
Department of the Interior —
This data release documents four tables that contain data for assessing the susceptibility of groundwater using environmental tracers collected from public-supply... -
Federal
Data for groundwater age estimates for the Mississippi River Valley alluvial aquifer based on tracer data collected during 2018-20
Department of the Interior —
This data release contains tracer data and estimated age distributions of groundwater samples collected as part of a water availability study for the Mississippi... -
Federal
Data for Distribution of Groundwater Age in Aquifers Used for Public Supply in the Continental United States, 2004 - 2017 (Version 1.1: June 2022).
Department of the Interior —
This data release documents seven tables that contain environmental tracer data and lumped parameter model (LPM) results that are used for assessing the distribution... -
Federal
Groundwater age-tracing data and models in a PFOA-contaminated bedrock aquifer, North Bennington, Vermont
Department of the Interior —
We computed mean groundwater ages and age distributions at eight wells by calibrating lumped parameter models (LPMs) to concentrations of tracers (3H, CFCs, SF6) in... -
Federal
Data for Groundwater age and susceptibility of south Atlantic and Gulf Coast principal aquifer of the contiguous United States
Department of the Interior —
This data release documents eight Microsoft Excel tables; four which contain data for understanding groundwater ages in the South East Coastal Plain (SECP), Coastal... -
Federal
Data for Radium Mobility and the Age of Groundwater in Public-drinking-water Supplies from the Cambrian-Ordovician Aquifer System, North-Central USA: Table 2. Detailed information on the calibration of dissolved gas models to dissolved gas concentrations (neon, argon, krypton, xenon, and nitrogen).
Department of the Interior —
High radium (Ra) concentrations in potable portions of the Cambrian-Ordovician (C-O) aquifer system were investigated using water-quality data and environmental... -
Federal
Recharge temperatures and groundwater-age models for the Paradox Valley alluvial aquifer, 2011, Colorado
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the Bureau of Reclamation, began hydrogeologic investigations in 2009 in the Paradox Valley in Colorado. In... -
Federal
Lumped parameter models of groundwater age and noble gas models of recharge conditions in support of Groundwater and Surface-Water Resources near Red Fleet Reservoir, Uintah County, UtahLumped parameter models of groundwater age and noble gas models of recharge conditions in support of Groundwater and Surface-Water Resources near Red Fleet Reservoir, Uintah County, Utah
Department of the Interior —
This data release documents four Microsoft Excel tables; one contains data for understanding water ages, one contains noble gas model data, two that describe the data... -
Federal
Data for assessing the susceptibility of groundwater used for drinking water supply from selected principal aquifers of the Western United States, 2004-2018
Department of the Interior —
Groundwater age distribution and susceptibility to natural and anthropogenic contaminants were assessed for selected principal aquifers of the Western United States:... -
Federal
Data for Radium Mobility and the Age of Groundwater in Public-drinking-water Supplies from the Cambrian-Ordovician Aquifer System, North-Central USA
Department of the Interior —
High radium (Ra) concentrations in potable portions of the Cambrian-Ordovician (C-O) aquifer system were investigated using water-quality data and environmental... -
Federal
Data for Radium Mobility and the Age of Groundwater in Public-drinking-water Supplies from the Cambrian-Ordovician Aquifer System, North-Central USA: Table 1. Dissolved gas modeling results, environmental tracer concentrations (tritium, tritiogenic helium-3, sulfur hexafluoride, carbon-14, and radiogenic helium-4), and results for the mean age of groundwater by calibration of lumped parameter models to tracer concentrations.
Department of the Interior —
High radium (Ra) concentrations in potable portions of the Cambrian-Ordovician (C-O) aquifer system were investigated using water-quality data and environmental... -
Federal
Coastal Groundwater Chemical Data from the North and South Shores of Long Island, New York
Department of the Interior —
Groundwater data were collected in the spring and fall of 2008 from three sites representing different geological settings and biogeochemical conditions within the... -
Federal
Data Release for Dissolved Gas, Environmental Tracer Concentrations, and Lumped Parameter Modeling Results Used in Determination of Groundwater Mean Age and Age Distributions in the Glacial Aquifer System, Conterminous United States
Department of the Interior —
This data release documents nine Microsoft Excel tables that contain data for understanding groundwater ages in the Glacial aquifer system. Results for the four... -
Federal
Noble gas isotopes and lumped parameter model results for environmental tracer based groundwater ages, South Rim Grand Canyon, Arizona, USA
Department of the Interior —
This data release documents three Microsoft Excel tables; one contains noble gas isotopic data, one contains data for understanding groundwater ages in the South Rim... -
Federal
Groundwater data and age information from samples collected in Minnesota, 1996-1997
Department of the Interior —
Groundwater age distributions and susceptibility to natural and anthropogenic contaminants were assessed for selected wells across Minnesota. The data provide...
19 datasets found