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MODFLOW-2000 model used to evaluate potential effects of existing and proposed groundwater withdrawals on water levels and natural groundwater discharge in Snake Valley and surrounding areas, Utah and Nevada

Metadata Updated: July 6, 2024

A previously developed three-dimensional steady-state numerical groundwater-flow model was modified to transient conditions with respect to well withdrawals, and used to simulate drawdown and capture of natural discharge from existing and proposed groundwater withdrawals in Snake Valley and adjacent areas in western Utah and eastern Nevada. The original steady-state model simulates and was calibrated to 2009 conditions and was used as the first stress period in this transient model. Six transient stress periods, spanning 2010-2114, were added to the model to assess timing of the potential withdrawal effects. A seventh steady-state stress period was also added to determine the ultimate long-term effects of the well withdrawals. To investigate the potential effects of existing and proposed future groundwater withdrawals, 10 withdrawal scenarios were run. All scenarios were run at 5, 10, 15, 30, 55, and 105 years from the start of 2010; additionally, all scenarios were run to a new steady state to determine the ultimate long-term effects of the withdrawals. Capture maps run to the new steady state were also constructed as part of this analysis. This USGS data release contains all of the input and output files for the simulations described in the associated model documentation report (

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Created Date June 1, 2023
Metadata Updated Date July 6, 2024

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date July 6, 2024
Publisher U.S. Geological Survey
Identifier USGS:1cb7cd29-33c6-47be-9c47-615da57b7e04
Data Last Modified 20201117
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Harvest Object Id 1c38495e-e545-4784-bb76-cccfaa0c7590
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -114.52029,37.93745,-112.8524,40.16712
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash ed224e192b87d4c2990205838c768008788ad2fd8dc7bedc2bf2b07571f5928a
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -114.52029, 37.93745, -114.52029, 40.16712, -112.8524, 40.16712, -112.8524, 37.93745, -114.52029, 37.93745}

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