Images

Dead Run is an urban creek in Catonsville, Maryland, near Baltimore. Research has found that about half of the bed sediment originates as particulate matter on pavement that then is washed into the creek via storm drains.

Dead Run is an urban creek in Catonsville, Maryland, near Baltimore. Research has found that about half of the bed sediment originates as particulate matter on pavement that then is washed into the creek via storm drains.

Dead Run is an urban creek in Catonsville, Maryland, near Baltimore. Research has found that about half of the bed sediment originates as particulate matter on pavement that then is washed into the creek via storm drains.

Dead Run is an urban creek in Catonsville, Maryland, near Baltimore. Research has found that about half of the bed sediment originates as particulate matter on pavement that then is washed into the creek via storm drains.

Dead Run is an urban creek in Catonsville, Maryland, near Baltimore. Research has found that about half of the bed sediment originates as particulate matter on pavement that then is washed into the creek via storm drains.

USGS scientists setting up the nuclear magnetic resonance (NMR) geophyiscal logging cable to collect information about rock properties from a groundwater well borehole in the Texas southern highplains.

An analog dial gage (left) and a digital linear potentiometer (right with blue barrel) used to measure land-surface movement in response to aquifer system deformation at the USGS Nansemond extensometer.

Streamside talk about a water managers perspectives on the complexities of the Rio Grande Watershed and the history / need for runoff forecasts for downstream water users.

Attendees of the 86th Annual Western Snow Conference held in Albuquerque, New Mexico gather at the first streamgaging station established by the United States Geological Survey in 1889 to learn about USGS streamgaging techniques. 

Attendees of the 86th Annual Western Snow Conference listen as Tyson Hatch of the New Mexico Water Science Center discusses current and past sediment gaging techniques. 

Staff from the New Mexico Water Science Center pose next to the "First Gaging Station" sign after hosting a technical tour of the site as part of the 86th annual Western Snow Conference.

The western shore of Lake Tahoe, which is the field site for the Nevada Water Resources Research
Institute project “Sensitivity of Mountain Hydrology to Changing Climate: Exploring Source Mixing
and Residence Time Distributions in Basin Outflows.” Photo by Christine Albano/DRI.

A view of the Research Vessel (R/V) Polaris' pilot house and wheel.

Harmful algal blooms turn water in Milford Lake emerald green

Two-dimensional map representation of the principal aquifers of the United States.

USGS Active Groundwater Level Network 3.12.18

USGS HUC Region Map

USGS storm-tide sensor bolted to a cement jetty on the Atlantic Ocean coast at Fire Island, New York. USGS scientists deployed over 50 sensors along the coast of Maine, New Hampshire, Massachusetts, Rhode Island, Connecticut, New York, New Jersey and Delaware to study a Nor'easter that affected the Northeast in March of 2018.

Photograph showing swimming hole on Cypress Creek in Blue Hole Regional Park, Wimberley, Hays County, Texas (photograph by Allan K. Clark, U.S. Geological Survey, February 27, 2018).
U.S. Geological Survey Scientific Investigations Map 3418, https://doi.org/10.3133/sim3418.

Photograph showing the Blanco River Valley, looking north from Little Arkansas Road, Hays County, Texas (photograph by Allan K. Clark, U.S. Geological Survey, February 27, 2018).
U.S. Geological Survey Scientific Investigations Map 3418, https://doi.org/10.3133/sim3418.

Photograph showing a low water crossing on the Blanco River, looking south from Little Arkansas Road, Hays County, Texas (photograph by Allan K. Clark, U.S. Geological Survey, February 27, 2018).
U.S. Geological Survey Scientific Investigations Map 3418, https://doi.org/10.3133/sim3418.