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

Current Wyoming-Montana Water Conditions

Explore Wyoming-Montana real-time streamflow, groundwater, and water-quality conditions and access data with our interactive map.

Current Conditions

Geospatial Research and Development to Understand Hydrologic Processes

Geospatial 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.

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News

Date published: March 18, 2019

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.

Date published: December 21, 2018

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.

Date published: January 12, 2017

StreamStats Provides New Information for Montana

Helpful new information for anyone designing structures over or near water, managing water distribution, or interested in the flow of local streams.

Publications

Year Published: 2019

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.
Naftz, D.L., Marvin-DiPasquale, M., Krabbenhoft, D.P., Aiken, G., Boyd, E.S., Conaway, C.H., Ogorek, J., and Anderson, G.M., 2019, Biogeochemical and physical processes controlling mercury methylation and bioaccumulation in Lake Powell, Glen Canyon National Recreation Area, Utah and Arizona, 2014 and 2015: U.S. Geological Survey Open-File Report 2018–1159, 81 p., https://doi.org/10.3133/ofr20181159.

Year Published: 2019

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.

Year Published: 2018

Williston Basin groundwater availability, United States and Canada

The Williston Basin contains important oil and gas resources for the Nation. Freshwater supplies are limited in this semiarid area, and oil and gas development can require large volumes of freshwater. Groundwater is the primary source of water for many water users in the Williston Basin, so to better understand these resources, the U.S. Geological...

Thamke, Joanna N.; Long, Andrew J.; Davis, Kyle W.
Thamke, J.N., Long, A.J., and Davis, K.W., 2018, Williston Basin groundwater availability, United States and Canada: U.S. Geological Survey Fact Sheet 2018-3046, 4 p., https://doi.org/10.3133/fs20183046.