Images

Justin McKoon, hydrologic technicians with the USGS Idaho Water Science Center, measures treamflow at USGS streamgage station 13124265, Warm Springs Creek below diversion near Mackay, Idaho.

Bureau of Land Management wilderness ranger Evan Worthington leads U.S. Geological Survey hydrographers John Carricaburu and Russ Miller over a canyon rim and down to Deep Creek to install a crest stage gage. USGS scientists will incorporte data from the gage into an evaluation of streamflow in the Owyhee Canyonlands.

USGS hydrologic technicians Keith Hein and Pete Elliott explain site selection and operation of USGS streamgages to staff members of the Kootenai Tribe of Idaho's Fish and Wildlife Department at streamgage station 12310100, Kootenai River at Tribal Hatchery near Bonners Ferry, Idaho.

USGS hydrologist Taylor Dudunake assesses the rip-rap countermeasure along the pier of the Iowa State Route 76 bridge over the Upper Iowa River near Dorchester, Iowa. The assessment was part of a nationwide study of bridge scour countermeasures the USGS conducted on behalf of the Federal Highway Administration. 

Hydrologist Lauren Zinsser collects a periphyton sample from the lower Boise River in southwestern Idaho

U.S. Geological Survey student hydrologic technician Mike Michelotti collects a water-qaulity sample from the Coeur d'Alene River at Rose Lake, Idaho. USGS streamgage 12413810 can be seen in the background. The sample was collected as part of ongoing water-quality monitoring that the USGS conducts in the Coeur d'Alene River basin on behalf of the U.S.

USGS hydrologic technician Kevin Kirlin on the cableway over the Yaak River near Troy, Montana

USGS streamgage station 13295000, Valley Creek at Stanley, Idaho

U.S. Geological Survey hydrologic technicians Kevin Kirlin (left) and Ryan Smith collect water-quality samples from the Coeur d'Alene River near Cataldo (USGS 12413500) as part of an ongoing monitoring program that the USGS conducts on behalf of the U.S. Environmental Protection Agency.

After receiving permission from the homeowner, a U.S. Geological Survey hydrologist measures the water level in a well.

Scientists from the U.S. Geological Survey and Idaho Power Company collected water, sediment, and biological samples from Brownlee Reservoir as part of an ongoing, cooperative study of mercury cycling in the Hells Canyon complex of reservoirs along the Snake River bordering Idaho and Oregon.

Sampling for microplastics on Lake Mead, March 21, 2017

USGS hydrologic technician Michael Allen collects streamflow data from the Boise River at streamgage station 13206000 using an acoustic Doppler current profiler.

USGS streamgage 13210810, Fifteen Mile Creek near Middleton, Idaho, is one of 10 streamgages the USGS has installed on Treasure Valley drains in cooperation with the Idaho Department of Water Resources. Data from these streamgages will be incorporated into a groundwater-flow model of the Treasure Valley aquifer system.

The Westhope, ND gage house along the Souris River.

USGS gage house located near Bantry, ND.

USGS hydrologic technician Deena Green collects streamflow data at streamgage station 12413875, St. Joe River at Red Ives Ranger Station, Idaho

USGS hydrologic technician Jayson Blom collects a groundwater-level measurement from an aquifer monitoring well at the Idaho National Laboratory.

After receiving permission from the homeowner, a U.S. Geological Survey hydrologist collects a water sample from a residential well in Emmett, Idaho. The sample was analyzed as part of a water-quality study the USGS conducted in cooperation with Gem County, Idaho and the Idaho Department of Environmental Quality.

A hydrologic technician from the USGS Idaho Water Science Center measures streamflow in the St. Joe River at Red Ives Ranger Station in northern Idaho. The USGS is collecting data at hundreds of sites on rivers and streams in six western states to document the 2015 drought.

A hydrologic technician from the USGS Idaho Water Science Center measures streamflow in Lightning Creek at Clark Fork, ID. The USGS is collecting data at hundreds of sites on rivers and streams in six western states to document the 2015 drought. USGS scientists will analyze the data to identify which rivers and streams may be most vulnerable to future droughts.