Images

An example stream reach of Underwood Creek’s concrete lined channel before rehabilitation in 2012.

Monitoring wells near the location of a 1979 oil spill at the National Crude Oil Spill Fate and Natural Attenuation Research Site near Bemidji, Minnesota, in October 2010. Some are for sampling groundwater, some are for sampling soil gas, some are for sampling oil. The green PVC collar in the foreground is for measuring soil carbon dioxide (CO2) efflux.

Measuring soil CO2 efflux at the Bemidji Crude Oil Spill research site

The Research Vessel Arcticus

Fish are identified and counted in the field, and game fish are measured for total length and weighed, before being released live back to the stream site.

In the Corn Belt states of the Midwest, intensive agriculture extends up to stream banks, eliminating trees and other riparian vegegation.  In 2013, the USGS Regional Stream Quality Assessment (RSQA) investigated the effects of land use, stream quality, and other stressors on the ecological health of 100 streams i

A tile drain concentrates and transports irrigation water and the chemicals it contains to a stream.

Yellow River near Brems, IN - view of bridge

Yellow River near Brems, IN - dirty equipment probe

Yellow River near Brems, IN - under the bridge

Sample of dragonfly larvae in water in bottom of zip-lock plastic bag, held at horizon level with lake. At Sand Point Lake in Voyageurs National Park.

A view of the Hammond Bay Biological Station in Millersburg, MI.

This streamgage is one of two USGS gages collecting streamflow and water-quality information for a paired-watershed project in Sheboygan County, Wis.

Bald Eagle Lake near the Twin Cities, Minnesota. 

A lip tumor diagnosed as a papilloma on a white sucker (Catostomus commersonii) collected from the Milwaukee River.

Lock and Dam 7 Panorama

Public-supply wells pump higher volumes of water than domestic-supply wells.  This photo appears in Circular 1352, Water Quality in the Glacial Aquifer System, Northern United States, one of a series of circulars on groundwater quality in the

A section of Lincoln Creek where streambank rehabilitation was completed in 2002, with USGS streamflow equipment in the foreground.

Large patches of Cladophora, a green algae, lining the shore of Lake Michigan. Accumulation of Cladophora in shoreline waters is believed to be linked to avian botulism outbreaks, which have recently increased in the Great Lakes.

This image shows benthic biofilms growing in Wilson Park at 13th Street, Milwaukee.

Russ Buesing uses a cable car to access streamgage 05104500 in late winter (March 26, 2009) on the Roseau River below South Fork near Malung, MN.