Images

The Great Basin area in the northern Snake Range near the Utah/Nevada boarder. 

The Great Basin area in the northern Snake Range near the Utah/Nevada boarder. 

The Great Basin area in the northern Snake Range near the Utah/Nevada boarder. 

The Great Basin area in the northern Snake Range near the Utah/Nevada boarder. 

Water flowing on the Colorado River near Moab, Utah. 

The entire Colorado River Basin currently supports 50 million people, and that amount is expected to increase by 23 million between 2000 and 2030. A new USGS study shows more than half of the streamflow in the Upper Colorado River Basin originates as groundwater. 

Receding Great Salt Lake as seen from causeway

Collecting sample in tall grass at Kane Springs, San Juan County, Utah, Fall 2015.

South Salt Wash, Emery County, Utah.

Collecting sediment traps on Lake Powell.

Looking southeast across the Great Salt Lake from the causeway east of Lakeside, Utah.

Hydrologic technician wades stream to collect a water-quality sample on Muddy Creek near Tomsich Butte, eastern Utah.

USGS scientist makes ADCP measurement from canoe where the Bear River enters Great Salt Lake

USGS hydrologic technician makes an ADCP measurement by walking across streambed on the Bear River below Alexander Reservoir, Idaho.

Great Salt Lake, declining water level

USGS hydrologist walks across Great Salt Lake beach to reach receding shoreline. 

Stilling well on Lake Fork above Moon Lake that is used to measure stream stage, and ultimately amount of water entering Moon Lake, on the south slope of the Uintas.

Measuring discharge in White River near Watson, Utah using FlowTracker on sunny winter day.

ADCP measurement from kayack on Green River at Ouray, Utah.

All rainbows end at a pot of water, well at least a windmill, in the Sevier Desert.

Different shades of green define the different algae-rich waters 

Looking northeast along the Bear River Duck Club Canal toward the Wellsville Mountains.