Images

CNN interviews USGS National Flood Coordinator Bob Holmes live from the Mississippi River in St. Louis.

CNN interviews USGS National Flood Coordinator Bob Holmes live from the Mississippi River in St. Louis.

CNN interviews USGS National Flood Coordinator Bob Holmes live from the Mississippi River in St. Louis.

NBC Nightly News not only came out to interview USGS field crews on the Mississippi, they brought a team to fly overhead and capture video with a drone.

NBC Nightly News not only came out to interview USGS field crews on the Mississippi, they brought a team to fly overhead and capture video with a drone.

December 29. 2015 14-Day Observed Precipitation - Continental United States

USGS Hydrologic Technician Christopher Rowden is seen here documenting a high water mark on Maries River at Westphalia, MO. 

See data for USGS gage 14120000 Hood River at Tucker Bridge, near Hood River, OR.

A large-volume public supply well in San Antonio, Texas.  This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.

A large-volume public supply well in San Antonio, Texas.  This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.

A U.S. Geological Survey hydrologist collects a water sample from the Williamson River below Chiloquin, Oregon. The sample was analyzed as part of a water-quality study the USGS conducted in cooperation with the U.S. Bureau of Reclamation and the Klamath Tribes.

A gage to measure lake water levels stands dry in the lake bed of the Great Salt Lake. For the first time since it was opened in 1984, water has stopped flowing through the Great Salt Lake causeway breach, an area that allows water to travel between the southern and northern parts of the lake.

For the first time since it was opened in 1984, water has stopped flowing through the Great Salt Lake causeway breach, an area that allows water to travel between the southern and northern parts of the lake.

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.

This sensor, called a bird, is tethered to a helicopter during USGS geophysical surveys. As the helicopter flies low over specific areas, the bird transmits electromagnetic waves deep into the ground to measure the below-surface physical properties. This scientific system is called Resolve and is operated by CGG Canada Servives, Ltd.

USGS scientist Matt Jennings inspects streamgage number  02136361 at Turkey Creek near Maryville, South Carolina, the morning of October 4, 2015. The discharge they measured was 6,000 cfs.

USGS scientist measuring high water marks on a jetty into the Long Island Sound during flooding in October of 2015.

In this image, a helicopter towing a large, cylindrical sensor makes low-level flights as part of a USGS remote geophysical survey, which collects data about underground geology. The scientific system, called Resolve, is operated by CGG Canada Services, Ltd. 

Flooding around Mill River USGS streamflow gage 01171500 at Northampton, Massachusetts.

Harmful algal blooms turn water in Milford Lake emerald green

Hoover Dam looking upstream on the Colorado River.