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Explore water-related photography, imagery, and illustrations.

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USGS technician stands next to a boat on a flooded and debris-filled landscape
Spring 2019 Flooding - Big Sioux River, Akron, IA
Spring 2019 Flooding - Big Sioux River, Akron, IA
A USGS technician sits in a boat as he deploys a water measuring device to measure floodwaters
Spring 2019 Flooding - Big Sioux River
Spring 2019 Flooding - Big Sioux River
Spring 2019 Flooding - Big Sioux River

After record flooding on the Big Sioux River, USGS crews mobilized to take important water measurements.

A USGS technician deploys a water measurement tool from a bridge to measure floodwaters
Spring 2019 Flooding - Big Sioux River, Hawarden, IA
Spring 2019 Flooding - Big Sioux River, Hawarden, IA
Spring 2019 Flooding - Big Sioux River
Spring 2019 Flooding - Big Sioux River
Spring 2019 Flooding - Big Sioux River

After record flooding on the Big Sioux River, USGS crews mobilized to take important water measurements.

Photo of USGS scientist opening groundwater well housing, surrounded by snow
USGS Groundwater Monitoring in Winter
USGS Groundwater Monitoring in Winter
USGS Groundwater Monitoring in Winter

Groundwater science doesn't take a winter vacation! In this photo, USGS hdyrologic technician Jeremiah Pomerleau has snowshoed to a USGS groundwater monitoring site in Eustis, Maine. USGS scientists visit USGS groundwater observation wells year-round to measure water levels and maintain equipment.

Groundwater science doesn't take a winter vacation! In this photo, USGS hdyrologic technician Jeremiah Pomerleau has snowshoed to a USGS groundwater monitoring site in Eustis, Maine. USGS scientists visit USGS groundwater observation wells year-round to measure water levels and maintain equipment.

USGS technician measures flooding on Big Sioux River
USGS crews respond to flooding on the Big Sioux River
USGS crews respond to flooding on the Big Sioux River
USGS crews respond to flooding on the Big Sioux River

USGS technician Chris Broz helps take water measurements on the Big Sioux River during record flooding in March, 2019.

USGS hydrologists conducts water quality sampling from a bridge during flooding
Spring 2019 Flooding - Louisville, NE
Spring 2019 Flooding - Louisville, NE
Spring 2019 Flooding - Louisville, NE

After record flooding in the Midwest, USGS crews mobilized to take important water measurements.

Measuring high water on the Big Sioux River
USGS crews respond to flooding on the Big Sioux River
USGS crews respond to flooding on the Big Sioux River
USGS crews respond to flooding on the Big Sioux River

USGS scientists and technicians took water measurements during flooding on the Big Sioux River near Hawarden, Iowa in March 2019.

A USGS technician measures the overflow of water on a flooded roadway
Spring 2019 Flooding - Forestburg, SD
Spring 2019 Flooding - Forestburg, SD
Spring 2019 Flooding - Forestburg, SD

USGS Dakota Water Science Center hydrologic technician Mark Brazones is using a handheld acoustic meter to measure the road overflow at the James River near Forestburg, SD. 

USGS Dakota Water Science Center hydrologic technician Mark Brazones is using a handheld acoustic meter to measure the road overflow at the James River near Forestburg, SD. 

USGS scientist takes a measurement from the middle of a wadable stream during winter conditions.
Taking hydrologic measurements from the Kewaunee River, Wis.
Taking hydrologic measurements from the Kewaunee River, Wis.
Taking hydrologic measurements from the Kewaunee River, Wis.

USGS hydrologist Kassidy Mapel takes hydrologic measurements from the Kewaunee River, Kewaunee, Wis., at USGS streamgage 04085200.

USGS scientists deploying a Conductivity/Temperature/Depth instrument package.
Water Quality of San Francisco Bay CTD Deployment
Water Quality of San Francisco Bay CTD Deployment
Water Quality of San Francisco Bay CTD Deployment

USGS scientists deploying a Conductivity/Temperature/Depth (CTD) instrument package.

Animation of national simulated streamflow from April to June, 2011
NHM: simulated streamflow for April through June, 2011
NHM: simulated streamflow for April through June, 2011
NHM: simulated streamflow for April through June, 2011

Animation of streamflow classified by percentile of the simulated time series of streamflow for each segment from the Precipitation-Runoff Modeling System (PRMS) as implemented in the U.S.

Animation of streamflow classified by percentile of the simulated time series of streamflow for each segment from the Precipitation-Runoff Modeling System (PRMS) as implemented in the U.S.

Animation of national simulated runoff from April to June, 2011
NHM: simulated runoff for April through June, 2011
NHM: simulated runoff for April through June, 2011
NHM: simulated runoff for April through June, 2011

Animation of lateral flow to the stream network from each hydrologic response unit (HRU) normalized by maximum of the simulated time series of lateral flow from the Precipitation-Runoff Modeling System (PRMS) as implemented in the U.S.

Animation of lateral flow to the stream network from each hydrologic response unit (HRU) normalized by maximum of the simulated time series of lateral flow from the Precipitation-Runoff Modeling System (PRMS) as implemented in the U.S.

PROSPER in StreamStats screenshot
PROSPER in StreamStats screenshot
PROSPER in StreamStats screenshot
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