Images

Overlooking Lake Mead. 

Scientists apply a new method for determining the fate of methane discharged into streams. Here, gas is injected into stream water along West Bear Creek, North Carolina. 

USGS hydrologic technician Amy Simonson surveying a high-water mark on Liberty Island, New York after Hurricane Sandy

Black tape is stretched across the stopper of the 'Niskin' bottle and secured to form a positive pressure seal.

Humpback Rocks Views

Predicted concentrations of arsenic in groundwater exceed the Maximum Contaminant Level (MCL) of 10 μg/L in 43 percent of the areal extent of the four Southwest basin-fill aquifers.

An Appalachian Mountain Stream in the Spring. Photographed by Samuel H Austin

USGS Water towers at Upper Midwest Environmental Sciences Center

2012 SPARROW Models for the Midwest: Total Phosphorus, Total Nitrogen, Suspended Sediment, and Streamflow

USGS collects groundwater from shallow monitoring wells beneath​ agricultural and urban areas to assess the effects of these activities​ on recently recharged groundwater as part of the National Water Quality Network (NWQN).

Tom Kehler, fishery biologist at the U.S.

Dried acid mine drainage residuals that are formed during treatment of the drainage.  The USGS has pioneered a new use for these residuals that are currently a disposal challenge, using them to filter phosphorus from agricultural and municipal wastewaters.

Liberty State Park, Jersey City, NJ; Chad Ostheimer surveying a high-water mark left October 29, 2012 by Hurricane Sandy.

Hurricane Sandy struck the New Jersey shore Oct. 29-31, 2012. This house in Mantoloking, NJ was partly collapsed after Hurricane Sandy's storm tide receded.

Hurricane Sandy struck the New Jersey shore Oct. 29-31, 2012. Houses, cars and a street in Seaside Heights, NJ were covered in beach sand after Hurricane Sandy's storm tide receded.

Faulting in limestone outcrop downstream from where Greenwood Creek flows into the Colorado River, October 31, 2012 (photograph by Jennifer Wilson, U.S. Geological Survey).

SIR 2015–5098

Seeps along limestone outcrop downstream from where Jim John Creek flows into the Colorado River, October 31, 2012 (photograph by Jennifer Wilson, U.S. Geological Survey).

SIR 2015–5098

Travertine deposits near site 4 (Post Oak Falls near Tow, Texas, October 31, 2012) (photograph by Jennifer Wilson, U.S. Geological Survey).

SIR 2015–5098

Picture showing the increased size of the sandbar after the November 2012 controlled flood from the Glen Canyon Dam. This location is 65 miles downstream from Lees Ferry and the view is looking downstream. These and additional photographs depicting the results of the recent controlled floods can be viewed online.

USGS scientists, Michael Noll and Amy Simonson, installing storm surge sensors before Hurricane Sandy

Looking west down Chicago River mainstem from the Chicago River Controlling Works where water enters from Lake Michigan.