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This data release (version 1.0, August 2018) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2017 and other hydrologic information for 904 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 2.0 (December 2018) of the data release.
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This data release (version 2.0, December 2018) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2018 and other hydrologic information for 910 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 3.0 (January 2020) of the data release.
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This data release (version 2.0, December 2018) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2018 and other hydrologic information for 910 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 3.0 (January 2020) of the data release.
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A three-dimensional, groundwater model (MODFLOW-2005) was developed to determine effects of future (2019–2100) groundwater development on water levels and natural discharges in the Alkali Flat–Furnace Creek Ranch (AFFCR), Ash Meadows, Pahute Mesa–Oasis Valley (PMOV), and Pahrump to Death Valley South (PDVS) groundwater basins, southern Nevada and California. Two pumping scenarios were developed. Scenario 1 assumed pumping continues at the current (2018) rate through 2100. Scenario 2 assumed all pumping stops in 2018 so that recovery can be observed from 2019–2100. Input and output files for the predictive simulations are in the model and output directories, respectively. The predictive model was calibrated with...
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This data release (version 4.0, February 2021) consists of a Microsoft® Access database and Microsoft® Excel workbook that contain water levels collected from 1941 to 2020 and other hydrologic information for 925 wells in and near areas of underground nuclear testing at the Nevada Test Site. The three worksheets in the Microsoft® Excel workbook also are provided as individual comma-separated values (CSV) files. Data and information in the database and workbook have been updated and are superseded by version 5.0 (February 2022) of the data release.
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This data release (version 2.0, December 2018) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2018 and other hydrologic information for 910 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 3.0 (January 2020) of the data release.
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This data release documents a modified version of the Death Valley version 3 steady-state (DV3-SS) model described in U.S. Geological Survey Professional Paper 1863 (https://doi.org/10.3133/pp1863). The DV3-SS model was modified by conversion into a superposition model with initial heads of 0 ft (0 m). Simulated water-level changes are relative to modern, predevelopment (pre-1950) conditions, where modern levels have a reference datum of 0 ft (0 m). The modified DV3-SS model is a three-dimensional, groundwater model (MODFLOW-2005) that was used to estimate paleo-recharge in the Ash Meadows groundwater basin, southwest Nevada, using the Devils Hole (cave 2) water-table record that spans the last 350,000 years. Two...
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This data release (version 1.0, August 2018) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2017 and other hydrologic information for 904 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 3.0 (January 2020) of the data release.
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This data release (version 1.0, August 2018) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2017 and other hydrologic information for 904 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 2.0 (December 2018) of the data release.
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This data release (version 3.0, January 2020) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2019 and other hydrologic information for 919 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 4.0 (February 2021) of the data release.
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This data release (version 4.0, February 2021) consists of a Microsoft® Access database and Microsoft® Excel workbook that contain water levels collected from 1941 to 2020 and other hydrologic information for 925 wells in and near areas of underground nuclear testing at the Nevada Test Site. The three worksheets in the Microsoft® Excel workbook also are provided as individual comma-separated values (CSV) files. Data and information in the database and workbook have been updated and are superseded by version 5.0 (February 2022) of the data release.
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This data release (version 3.0, January 2020) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2019 and other hydrologic information for 919 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 4.0 (February 2021) of the data release.
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This data release consists of two directories: DepthToWater and WaterLevelModels. The DepthToWater directory contains five Microsoft Excel workbooks that present depth-to-groundwater data and drawdown analyses from five wells during an aquifer test at well ER-6-1-2 main (USGS site identification number 365901115593501). The WaterLevelModels directory contains 11 Microsoft Excel workbooks that present 10 archived SeriesSee (Halford and others, 2012) water-level models that were used to examine drawdown at 9 wells during the same aquifer test. An additional Microsoft Excel workbook (Continuous+TransformedData.xlsx) contains all raw and transformed data series used in the 10 water-level models.
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This data release (version 3.0, January 2020) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2019 and other hydrologic information for 919 wells in and near areas of underground nuclear testing at the Nevada Test Site. This version (3.0) of the data release contains the most current version of the database and workbook and supersedes all previous versions.
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The hydrograph for well ER-5-3-2 in Frenchman Flat, southern Nevada, has previously unexplained water-level fluctuations. Four, three-dimensional, groundwater models (MODFLOW 6) were developed to evaluate potential stresses and hydrologic conditions affecting the well ER-5-3-2 hydrograph. Four model scenarios were developed that simulated: (1) wellbore leakage without recharge, (2) wellbore leakage with recharge, (3) shallow (low transmissivity) and deep (high transmissivity) carbonate rocks, and (4) lateral heterogeneity of carbonate rocks. Input and output files for the four model scenarios are in the model and output directories, respectively. Hydraulic conductivity, specific storage, and wellbore-leakage rates...


    map background search result map search result map USGS 1:24000-scale Quadrangle for Yucca Flat, NV 1986 USGS 1:24000-scale Quadrangle for Yucca Flat, NV 1986 USGS 1:24000-scale Quadrangle for Yucca Flat, NV 1960 USGS 1:24000-scale Quadrangle for Yucca Flat, NV 1960 USGS 1:24000-scale Quadrangle for Yucca Flat, NV 1960 Previous version - 2017 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 1.0) Previous version - 2018 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 2.0) Supplemental Data for Estimation of Groundwater Flow Through Yucca Flat Based on a Multiple-Well Aquifer Test at Well ER-6-1-2 Main, Nevada National Security Site, Southern Nevada Current version - 2019 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 3.0) Previous version - 2019 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 3.0) Previous version - 2017 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 1.0) Previous version - 2018 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 2.0) Current version - 2020 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 4.0) Previous version - 2020 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 4.0) Previous version - 2017 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 1.0) Previous version - 2019 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 3.0) Previous version - 2018 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 2.0) MODFLOW-2005 model and supplementary data used to characterize groundwater flow and effects of pumping in the Death Valley regional groundwater flow system, Nevada and California, with special reference to Devils Hole MODFLOW-2005 model used to estimate paleo-recharge volumes and project future water-level changes in Ash Meadows groundwater basin, southwest Nevada, based on Devils Hole paleo-water-table record MODFLOW6 models used to evaluate potential stresses and hydrologic conditions driving water-level fluctuations in well ER-5-3-2, Frenchman Flat, Southern Nevada USGS 1:24000-scale Quadrangle for Yucca Flat, NV 1986 USGS 1:24000-scale Quadrangle for Yucca Flat, NV 1986 USGS 1:24000-scale Quadrangle for Yucca Flat, NV 1960 USGS 1:24000-scale Quadrangle for Yucca Flat, NV 1960 USGS 1:24000-scale Quadrangle for Yucca Flat, NV 1960 MODFLOW6 models used to evaluate potential stresses and hydrologic conditions driving water-level fluctuations in well ER-5-3-2, Frenchman Flat, Southern Nevada Supplemental Data for Estimation of Groundwater Flow Through Yucca Flat Based on a Multiple-Well Aquifer Test at Well ER-6-1-2 Main, Nevada National Security Site, Southern Nevada Previous version - 2019 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 3.0) Previous version - 2017 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 1.0) Previous version - 2018 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 2.0) Current version - 2019 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 3.0) Previous version - 2017 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 1.0) Previous version - 2018 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 2.0) Previous version - 2017 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 1.0) Previous version - 2019 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 3.0) Previous version - 2018 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 2.0) Current version - 2020 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 4.0) Previous version - 2020 update to the Database of Groundwater Levels and Hydrograph Descriptions for the Nevada Test Site Area, Nye County, Nevada (ver. 4.0) MODFLOW-2005 model and supplementary data used to characterize groundwater flow and effects of pumping in the Death Valley regional groundwater flow system, Nevada and California, with special reference to Devils Hole MODFLOW-2005 model used to estimate paleo-recharge volumes and project future water-level changes in Ash Meadows groundwater basin, southwest Nevada, based on Devils Hole paleo-water-table record