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Humboldt River Basin Model Grids and Potential Groundwater Capture Results

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 17, 2026 at 07:45 PM | Dataset Last Updated: May 15, 2026 at 12:00 AM
This U.S. Geological Survey data release presents polygon model grids and tables of 100-year groundwater capture results for the lower, middle, and upper Humboldt River basins, Nevada. The grids define the active model cells, including cell identifiers and elevations for the model layers. The tables summarize potential groundwater capture from three sources: stream depletion, salvaged evapotranspiration (ETg), and storage change. Note that in the lower Humboldt River basin, stream depletion is further divided into Humboldt River stream and drain components. Capture simulation coverage varies by basin. For the lower Humboldt River basin, simulations were run for every model cell in all layers, and capture results are available for each cell. For the middle Humboldt River basin, simulations were attempted for all model cells; however, not all simulations converged. As a result, some capture results are missing from the dataset. For the upper Humboldt River basin, simulations were conducted only for layers 1 and 2. Not all simulations converged, resulting in some missing capture results. Additionally, capture results are not provided for cells that became dry during the 100-year simulation. Simulations were not conducted for layer 3 because the depth from land surface exceeds 1,000 feet. Information regarding model development is available in the associated model documentation reports and the model application data releases.

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