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Explore our planet and learn more about our work through photographs and imagery from scientists and support staff.

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Two researchers in life vests stand at a table full of water quality sampling equipment. They demonstrate its use.
Water Quality Sampling Equipment Show-and-Tell
Water Quality Sampling Equipment Show-and-Tell
Water Quality Sampling Equipment Show-and-Tell

USGS scientists Jimmy Webber and Dan Burns explain how water quality equipment is used to take measurements at War Branch and other monitoring stations.

USGS scientists Jimmy Webber and Dan Burns explain how water quality equipment is used to take measurements at War Branch and other monitoring stations.

Community members gather at an outreach table, reading USGS fact sheets
Outreach Event at War Branch
Outreach Event at War Branch
Outreach Event at War Branch

The USGS and local partners hosted a meeting at the War Branch monitoring station to share water-quality and conservation work happening in the watershed with farmers, environmental and agricultural agencies, nonprofit groups, and local universities.

The USGS and local partners hosted a meeting at the War Branch monitoring station to share water-quality and conservation work happening in the watershed with farmers, environmental and agricultural agencies, nonprofit groups, and local universities.

Water flows out of a bioreactor through a white PVC pipe before splashing down into a small stream.
The War Branch Bioreactor
The War Branch Bioreactor
The War Branch Bioreactor

The War Branch bioreactor was installed below a natural spring in the War Branch watershed. The USGS had previously measured elevated nitrate concentrations from this spring. 

The War Branch bioreactor was installed below a natural spring in the War Branch watershed. The USGS had previously measured elevated nitrate concentrations from this spring. 

15 people stand next to a bioreactor, a dam in a spring-fed creek made up of woodchips, soil, and straw.
Visit to the War Branch Bioreactor
Visit to the War Branch Bioreactor
Visit to the War Branch Bioreactor

Community partners tour the bioreactor at War Branch. 

The War Branch bioreactor was installed below a natural spring in the War Branch watershed. The USGS had previously measured elevated nitrate concentrations from this spring. 

Community partners tour the bioreactor at War Branch. 

The War Branch bioreactor was installed below a natural spring in the War Branch watershed. The USGS had previously measured elevated nitrate concentrations from this spring. 

Two USGS scientists work on installing a monitoring box.
Monitoring Station Installation at War Branch
Monitoring Station Installation at War Branch
Monitoring Station Installation at War Branch

USGS scientists Hillary Dozier and Jimmy Webber work on installing a monitoring station at War Branch. NWIS data for this site can be found here.

A small rural creek with clear water and a rocky bottom flows under an old farm road through three culverts.
War Branch
War Branch
War Branch

War Branch is a creek in Rockingham County, Virginia. Its 11 square mile watershed includes mostly poultry and beef agricultural activities. This stream is a part of the Chesapeake Bay Small Agricultural Watershed Monitoring Program. 

War Branch is a creek in Rockingham County, Virginia. Its 11 square mile watershed includes mostly poultry and beef agricultural activities. This stream is a part of the Chesapeake Bay Small Agricultural Watershed Monitoring Program. 

A USGS scientist with a handheld drill works on installing a monitoring box while a second scientist watches.
Monitoring Station Installation at War Branch
Monitoring Station Installation at War Branch
Monitoring Station Installation at War Branch

USGS scientists Hillary Dozier and Jimmy Webber work on installing a monitoring station at War Branch. NWIS data for this site can be found here.

One scientist stands in a small rural creek while another prepares to hand her materials for building a monitoring structure.
Monitoring Station Installation at War Branch
Monitoring Station Installation at War Branch
Monitoring Station Installation at War Branch

Two hydrologic technicians work on installing a monitoring station at War Branch. NWIS data for this site can be found here.

A scientist stands in a small rural creek and works a piece of green metal post into the streambed.
Hydrologic Technician Installing a Monitoring Station at War Branch
Hydrologic Technician Installing a Monitoring Station at War Branch
Hydrologic Technician Installing a Monitoring Station at War Branch

Hydrologic technician Madison Hagen works on installing a monitoring station at War Branch. NWIS data for this site can be found here.

A small rural creek with eroding banks, fields of tall grass with some trees on either shore.
War Branch
War Branch
War Branch

War Branch is a creek in Rockingham County, Virginia. Its 11 square mile watershed includes mostly poultry and beef agricultural activities. This stream is a part of the Chesapeake Bay Small Agricultural Watershed Monitoring Program. 

War Branch is a creek in Rockingham County, Virginia. Its 11 square mile watershed includes mostly poultry and beef agricultural activities. This stream is a part of the Chesapeake Bay Small Agricultural Watershed Monitoring Program. 

View from bridge of North Fork of the Shenandoah River after a rainstorm with mountains in the background
North Fork of the Shenandoah River after a rainstorm
North Fork of the Shenandoah River after a rainstorm
North Fork of the Shenandoah River after a rainstorm

View from bridge at USGS streamgage (station ID: 01634000) of North Fork of the Shenandoah River after a rainstorm.

Winter 2024 Photo Contest: James Webber, Honorable Mention category

View from bridge at USGS streamgage (station ID: 01634000) of North Fork of the Shenandoah River after a rainstorm.

Winter 2024 Photo Contest: James Webber, Honorable Mention category

The long branch monitoring station next to a frozen stream.
Long Branch Monitoring Site in winter, Fairfax, VA
Long Branch Monitoring Site in winter, Fairfax, VA
Long Branch Monitoring Site in winter, Fairfax, VA

Photo of the Long Branch intensive water monitoring site.

A monitoring station in front of a turbid stream.
Water Quality Monitoring Station in Fairfax, Virginia
Water Quality Monitoring Station in Fairfax, Virginia
Water Quality Monitoring Station in Fairfax, Virginia

An intensive water quality monitoring station next to an urban stream in Fairfax, Virginia. During stormflow events, water levels can rise quickly and transport large amounts of nutrients and suspended sediment.

An intensive water quality monitoring station next to an urban stream in Fairfax, Virginia. During stormflow events, water levels can rise quickly and transport large amounts of nutrients and suspended sediment.

A turbid stream
Stormflow at Old courthouse spring branch in Fairfax County, Virginia
Stormflow at Old courthouse spring branch in Fairfax County, Virginia
Stormflow at Old courthouse spring branch in Fairfax County, Virginia

Stormflow in a Fairfax county stream. Part of the Fairfax County Water Resources Monitoring Network

A bridge over the Difficult Run stream with a stream gage in the foreground.
Difficult Run monitoring station in Great Falls, VA
Difficult Run monitoring station in Great Falls, VA
Difficult Run monitoring station in Great Falls, VA

The stream gage at the Difficult Run Near Great Falls, VA monitoring station. This site is a part of the USGS Nontidal Network.

Two partially submerged water quality monitoring probes installed in a stream beneath a bridge.
Water quality sondes at Difficult Run
Water quality sondes at Difficult Run
A hydrotech takes a water sample from a stream.
Water Quality Sampling at Accotink Creek
Water Quality Sampling at Accotink Creek
Water Quality Sampling at Accotink Creek

A USGS hydrotech conducts horizontally-integrated synoptic water quality sampling at Accotink Creek Near Annandale, VA.

A hydrotech takes readings in a shallow urban stream using a water quality sonde.
Measuring water quality parameters at Accotink Creek
Measuring water quality parameters at Accotink Creek
Measuring water quality parameters at Accotink Creek

A USGS hydrotech uses a water quality sonde to measure conditions at Accotink Creek Near Annandale, VA. This monitoring station is part of the USGS nontidal network.

An urban creek with heavily eroded edges and a fallen tree.
Accotink Creek near Annandale
Accotink Creek near Annandale
Accotink Creek near Annandale

Accotink Creek is an urban creek in the Potomac watershed. Like many urban streams, it suffers from bank erosion, leading to high suspended sediment loads, steep banks, and fallen trees.

Accotink Creek is an urban creek in the Potomac watershed. Like many urban streams, it suffers from bank erosion, leading to high suspended sediment loads, steep banks, and fallen trees.

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