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Total dissolved-solid loads in the Upper Colorado River Basin during high-flow hydrologic events from 2021 to 2023

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 09:14 PM | Dataset Last Updated: March 24, 2026 at 12:00 AM
This U.S. Geological Survey (USGS) data release contains data that allows for calculation of total dissolved-solid loads for high-flow and baseflow conditions in the Upper Colorado River Basin (UCRB) collected between 2021 and 2023. High-flow hydrologic events are critical periods for salinity transport but are often underrepresented in existing datasets due to limited sampling and modeling constraints. To address this gap, samples were collected at five USGS streamgage sites: San Rafael River near Green River, Utah (09328500); Uncompahgre River at Delta, Utah (09149500); Dirty Devil River above Poison Springs Wash near Hanksville, Utah (09333500); Loutsenhizer Arroyo below North River Road near Delta, Colorado (383946107595301); and Virgin River below confluence of Beaver Dam Wash, Nevada (365342113551701). The dataset includes measurements of total dissolved solids (TDS), specific conductance, and stream discharge, which were used to refine estimation techniques for peak-flow conditions.

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