Colorado Water Science Center

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Welcome to the USGS Colorado Water Science Center!  Please use these pages to explore the hydrologic data and scientific investigations we conduct on Colorado water resources.

Current Water Conditions

Current Water Conditions

Explore real-time Colorado streamflow, groundwater, and water-quality conditions.

Current Conditions

Science Highlight

Science Highlight

To better characterize the water supply capacity of Clear Creek Reservoir, a bathymetry survey was conducted. The methods used allowed water-resource managers to maintain typical reservoir operations and eliminate the need to empty the reservoir.

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News

Date published: December 10, 2020

Bakken Shale unconventional oil and gas production has not caused widespread hydrocarbon contamination to date in groundwater used for water supply

A new USGS study reports that shale-oil and -gas production from a major production area in Montana, North Dakota, and South Dakota has not caused widespread hydrocarbon contamination to date in nearby aquifer zones used for drinking-water supply.

Date published: May 12, 2020

USGS Responds to Spring Flooding

U.S. Geological Survey field crews are measuring flooding across the country as spring weather is in full swing. Warming temperatures, increased precipitation and snowmelt have caused moderate to major flooding in the upper Midwest, East Coast, Central Plains and the Southeast portions of the country.

Publications

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Year Published: 2021

Multi-region assessment of chemical mixture exposures and predicted cumulative effects in USA wadeable urban/agriculture-gradient streams

Chemical-contaminant mixtures are widely reported in large stream reaches in urban/agriculture-developed watersheds, but mixture compositions and aggregate biological effects are less well understood in corresponding smaller headwaters, which comprise most of stream length, riparian connectivity, and spatial biodiversity. During 2014–2017,...

Bradley, Paul; Journey, Celeste A.; Romanok, Kristin; Breitmeyer, Sara; Button, Daniel T.; Carlisle, Daren; Huffman, Bradley; Mahler, Barbara; Nowell, Lisa H.; Qi, Sharon L.; Smalling, Kelly; Waite, Ian R.; Van Metre, Peter C.

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Year Published: 2021

Characterization of groundwater quality and discharge with emphasis on selenium in an irrigated agricultural drainage near Delta, Colorado, 2017–19

Selenium is a water-quality constituent of concern for aquatic ecosystems in the lower Gunnison River Basin. Selenium is derived from bedrock of the Mancos Shale and is mobilized and transported to groundwater and surface water by application of irrigation water. Although it is recognized that groundwater contributes an appreciable amount of...

Mast, M. Alisa
Mast, M.A., 2021, Characterization of groundwater quality and discharge with emphasis on selenium in an irrigated agricultural drainage near Delta, Colorado, 2017–19: U.S. Geological Survey Scientific Investigations Report 2020–5132, 34 p., https://doi.org/10.3133/sir20205132.

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Year Published: 2021

Transport and speciation of uranium in groundwater-surface water systems impacted by legacy milling operations

Growing worldwide concern over uranium contamination of groundwater resources has placed an emphasis on understanding uranium transport dynamics and potential toxicity in groundwater-surface water systems. In this study, we utilized novel in-situ sampling methods to establish the location and magnitude of contaminated groundwater entry into a...

Byrne, Patrick; Fuller, Christopher C.; Naftz, David L.; Runkel, Robert L.; Lehto, Niklas J; Dam, William L