Know Your Watershed: How streamflow relates to minerals and sediment concentrations  

A stream like the Uncompahgre River transports many substances as it flows through a variety of geologic, land use, vegetation, and urban areas. The substances include suspended bits of soil and rock, organic material, nutrients, bacteria, and dissolved and undissolved metals. Suspended material, particularly those containing metals like iron, can produce different colors in streams … Read more

Sign up to Volunteer at RiverFest on June 24

Face painting, solar oven cookie baking, rubber ducky capturing, and river race filming are some of the most creative volunteer needs of the annual Ridgway RiverFest. At least 12 people are needed just for those four volunteer assignments, and an additional 30 to 40 volunteers are required to produce the free community festival, scheduled for … Read more

Know Your Watershed: How Flooding and Landslides Affect Streamflow

historic flood in Ouray, photo courtesy of Denver Public Library

Streamflow is the volume of water flowing past a certain point on a waterway at any given time of day. Heavy rains and snowmelt can produce runoff at a rate that exceeds the drainage capacity of streams, which results in flooding. Landslides occur as mass movements of soil and rock that are saturated by excess … Read more

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