Wyoming-Montana Water Science Center
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Welcome to the USGS Wyoming-Montana Water Science Center, your source for water-resource data and information.
Current Wyoming-Montana Water Conditions
Explore Wyoming-Montana real-time streamflow, groundwater, and water-quality conditions and access data with our interactive map.
Current ConditionsGeospatial Research and Development to Understand Hydrologic Processes
Geospatial data, such as remote sensing images and map based information, provide an opportunity to evaluate hydrologic systems with a spatially continuous data set.
Learn moreNews
Salinity Cycles in Lower Colorado River Caused by Precipitation Patterns in Upper Basin
A new study shows that mysterious cycles in salinity in the lower Colorado River are a result of precipitation patterns in the headwaters of the upper basin more than a thousand river miles away. The salinity levels generally repeat about every 10 years.
Mercury Concentrations in Lake Powell Higher in Side Canyons
Mercury concentrations within Lake Powell are highest in side canyons within the lower portion of the reservoir, according to a new U.S. Geological Survey report. This finding is part of a study to better understand why mercury concentrations in striped bass are higher in the lower part of the reservoir.
A Spatially Continuous Model of Annual Streamflow Permanence Throughout the Pacific Northwest
An interdisciplinary team comprised of USGS and university scientists has developed the Probability of Streamflow Permanence Model or PROSPER which predicts flow permanence for unregulated and minimally impaired streams in the Pacific Northwest.
Publications
Water-quality, bed-sediment, and biological data (October 2016 through September 2017) and statistical summaries of data for streams in the Clark Fork Basin, Montana
Water, bed sediment, and biota were sampled in selected streams from Butte to near Missoula, Montana, as part of a monitoring program in the Clark Fork Basin of western Montana. The sampling program was led by the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, to characterize aquatic resources in the Clark...
Cleasby, Thomas E.; Hornberger, Michelle I.; Heinert, Terry L. ; Turner, Matthew A.
Biogeochemical and physical processes controlling mercury methylation and bioaccumulation in Lake Powell, Glen Canyon National Recreation Area, Utah and Arizona, 2014 and 2015
Mercury monitoring results from about 300 Morone saxatilis (striped bass) muscle tissue samples collected by the State of Utah from Lake Powell resulted in a Utah/Arizona fish consumption advisory issued in 2012 for approximately the lower 100 kilometers of the reservoir. Chemical, physical, and biological data were collected during two synoptic...
Naftz, David L.; Marvin-DiPasquale, Mark; Krabbenhoft, David P.; Aiken, George; Boyd, Eric S.; Conaway, Christopher H.; Ogorek, Jacob M.; Anderson, Gregory M.
Changes in microbial communities and associated water and gas geochemistry across a sulfate gradient in coal beds: Powder River Basin, USA
Competition between microbial sulfate reduction and methanogenesis drives cycling of fossil carbon and generation of CH4 in sedimentary basins. However, little is understood about the fundamental relationship between subsurface aqueous geochemistry and microbiology that drives these processes. Here...
Schweitzer, Hannah; Ritter, Daniel; McIntosh, Jennifer; Barnhart, Elliott; Cunningham, Alfred B.; Vinson, David; Orem, William H.; Fields, Matthew W.