Images

Photo showing contrast in clarity between water samples collected at sites A68 (USGS site ID 09358000), Animas River at Silverton, Colorado and upstream from Cement Creek; A72 (USGS site ID 09359020), Animas River downstream from Silverton; and CC48 (USGS site ID 09358550), Cement Creek at mouth. 

View of pond in North Fork of Cement Creek that receives the water from the Gold King Mine portal and native flow in North Fork Cement Creek, looking upstream, very little to no native flow is visible. Latitude 37.89401, Longitude -107.63821.

View looking down from the Gold King waste pile showing North Fork Cement Creek downstream from the pond, and the confluence with Cement Creek valley in center, upper, right. Latitude 37.893895, Longitude -107.641154.

North Fork Cement Creek just upstream from sodium hydroxide (NaOH) addition (to raise pH), that was conducted by the U.S. Environmental Protection Agency (EPA). Looking upstream. Latitude 37.89517, Longitude -107.64656.

First of four settling ponds located downstream from North Fork Cement Creek to facilitate settling of solids material after addition of sodium hydroxide (NaOH) to the North Fork Cement Creek.  Latitude 37.89451, Longitude -107.64763.

Island upstream from City of Durango, Colorado's water intake structure where streambed sediments were sampled.  Latitude 37.26428, Longitude -107.8812.

Minisipper location at City of Durango water intake structure.  Minisipper installed by USGS to collect multiple water-quality samples. Latitude 37.26428, Longitude -107.8812.

Photo of submersible Minisipper sampling device used to collect multiple water-quality samples during multiple-day deployment. At several locations downstream from the Gold King Mine following the Gold King Mine release on August 5, 2015.

Mystic River at Medford, MA in the vicinity of the streamgage station 01103040.

Location is about 11 miles downstream from Farm to Market Road 669 bridge over Double Mountain Fork Brazos River near Justiceburg, Texas, in Garza County.
USGS SIR 2016–5032

Location is about 3 miles downstream from U.S. Highway 84 bridge over Double Mountain Fork Brazos River near Justiceburg, Texas, in Garza County.
USGS SIR 2016–5032

Location is about 5 miles downstream from Farm to Market Road 669 bridge over Double Mountain Fork Brazos River near Justiceburg, Texas, in Garza County.
USGS SIR 2016–5032

Location is about 9 miles downstream from Farm to Market Road 669 bridge over Double Mountain Fork Brazos River near Justiceburg, Texas, in Garza County.
USGS SIR 2016–5032

Location is about 8 miles downstream from Farm to Market Road 669 bridge over Double Mountain Fork Brazos River near Justiceburg, Texas, in Garza County.
USGS SIR 2016–5032

New streamgage on the South Concho river above Twin Buttes Reservoir, in San Angelo, Texas. This new gage will provide resource managers with critical streamflow information.

USGS scientists collecting water quality samples at a public-supply well in Texas, overlying the Eagle Ford shale production area.

Signs warn the public of dangers of harmful algal blooms in Milford Lake, Kansas

USGS Hydrologist Adam Benthem surveys Large Woody Debris (LWD) on the Roanoke River, VA. Little is known about the transport, fate, and impacts on water quality of LWD which provide unique and critical habitat for many species.

Installing tide gauges in rivers of the Yukon-Kuskokwim Delta is dirty work.

Location: Tutakoke River, Yukon-Kuskokwim Delta, AK

Trail head sign to Lower Jumpup Spring, north of Grand Canyon. 

USGS employee measuring snowmelt runoff Clear Creek below Quayle Creek at Bakersville, CO