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Walker Basin Hydro Mapper

March 12, 2025

About this tool

The Walker Basin Hydro Mapper provides a basin-wide view of real-time streamflow and reservoir storage capacity for the Walker River Basin in Nevada and California. This tool was developed to create a common operating picture for water users in the basin and to help monitor changes in instream flows.

Features

See Current Conditions

The interactive map displays data from USGS stream, lake, and atmospheric stations, as well as Natural Resources Conservation Service (NRCS) SNOTEL stations and current weather conditions. 

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Screenshot of web app showing interactive map display of the Walker River Basin.

 

Visualize stage and storage information

Stage and storage data are provided, along with descriptive information for Bridgeport Reservoir, Topaz Lake, Weber Reservoir, and Walker Lake.

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Screenshot of web app showing the current conditions of the Walker River Basin streamflow and lake storage.

 

Visualize water quality profiles

Historical and recent water quality profiles, including total dissolved solids (TDS) concentrations for Walker Lake, are also available.

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Screenshot of web app showing the water quality profiles of the Walker River Basin.
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