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Two people on a boat. A lighthouse can be seen in the distance.
Ship John Shoal
Ship John Shoal
Two people on a boat. A lighthouse can be seen in the distance.

Ship John Shoal

Ship John Shoal

USGS hydrologic technicians depart from Ship John Shoal lighthouse after servicing the gage there.

By
Maryland-Delaware-D.C. Water Science Center, Maryland-Delaware-D.C. Water Science Center
Two people on a boat. A lighthouse can be seen in the distance.

Ship John Shoal

Ship John Shoal

USGS hydrologic technicians depart from Ship John Shoal lighthouse after servicing the gage there.

By
Maryland-Delaware-D.C. Water Science Center, Maryland-Delaware-D.C. Water Science Center
Natale Hall stands in a creek in a forest during fall season.
Standing in Ten Mile Creek
Standing in Ten Mile Creek
Natale Hall stands in a creek in a forest during fall season.

Standing in Ten Mile Creek

Standing in Ten Mile Creek

Natalie Hall stands in Ten Mile Creek in northern Montgomery County during an AI/ML camera installation.

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Natale Hall stands in a creek in a forest during fall season.

Standing in Ten Mile Creek

Standing in Ten Mile Creek

Natalie Hall stands in Ten Mile Creek in northern Montgomery County during an AI/ML camera installation.

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Impairments in creeks caused by altered geomorphology and high nutrients from sedimentation and agricultural runoff
Impairments in creeks caused by altered geomorphology and high nutrients from sedimentation and agricultural runoff
Impairments in creeks caused by altered geomorphology and high nutrients from sedimentation and agricultural runoff
Impairments in creeks caused by altered geomorphology and high nutrients from sedimentation and agricultural runoff

Impairments in creeks caused by altered geomorphology and high nutrients from sedimentation and agricultural runoff

Impairments in creeks caused by altered geomorphology and high nutrients from sedimentation and agricultural runoff

Impairments in Linganore Creek in Maryland (top) and Little Conestoga Creek in Pennsylvania (bottom) caused by altered geomorphology and high nutrients from sedimentation and agricultural runoff.

By
Chesapeake Bay Activities, Maryland-Delaware-D.C. Water Science Center
Impairments in creeks caused by altered geomorphology and high nutrients from sedimentation and agricultural runoff

Impairments in creeks caused by altered geomorphology and high nutrients from sedimentation and agricultural runoff

Impairments in creeks caused by altered geomorphology and high nutrients from sedimentation and agricultural runoff

Impairments in Linganore Creek in Maryland (top) and Little Conestoga Creek in Pennsylvania (bottom) caused by altered geomorphology and high nutrients from sedimentation and agricultural runoff.

By
Chesapeake Bay Activities, Maryland-Delaware-D.C. Water Science Center
Nick Giro holds a laptop and stands in stream in a forest.
Nick Giro at Wheel Creek
Nick Giro at Wheel Creek
Nick Giro holds a laptop and stands in stream in a forest.

Nick Giro at Wheel Creek

Nick Giro at Wheel Creek

Nick Giro services the gage at Wheel Creek in Harford Glen (0158175320).

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Nick Giro holds a laptop and stands in stream in a forest.

Nick Giro at Wheel Creek

Nick Giro at Wheel Creek

Nick Giro services the gage at Wheel Creek in Harford Glen (0158175320).

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
A USGS hydrologic technician carrying equipment and wearing a backpack walks through a forest.
Walking Through A Forest at Wheel Creek
Walking Through A Forest at Wheel Creek
A USGS hydrologic technician carrying equipment and wearing a backpack walks through a forest.

Walking Through A Forest at Wheel Creek

Walking Through A Forest at Wheel Creek

Nick Giro walks through a forest in Harford Glen Park on the way to service the Wheel Creek gage (0158175320).

Photo by David Fisher/USGS Contractor.

By
Maryland-Delaware-D.C. Water Science Center
A USGS hydrologic technician carrying equipment and wearing a backpack walks through a forest.

Walking Through A Forest at Wheel Creek

Walking Through A Forest at Wheel Creek

Nick Giro walks through a forest in Harford Glen Park on the way to service the Wheel Creek gage (0158175320).

Photo by David Fisher/USGS Contractor.

By
Maryland-Delaware-D.C. Water Science Center
The sun silhouettes Tyler Bowser as he holds a bottle over a precipitation gage.
Servicing a Precipitation Gage at Harford Glen Park
Servicing a Precipitation Gage at Harford Glen Park
The sun silhouettes Tyler Bowser as he holds a bottle over a precipitation gage.

Servicing a Precipitation Gage at Harford Glen Park

Servicing a Precipitation Gage at Harford Glen Park

Tyler Bowser services a precipitation gage at Atkisson Reservoir near Bel Air, MD (01581753), within Harford Glen Park.

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
The sun silhouettes Tyler Bowser as he holds a bottle over a precipitation gage.

Servicing a Precipitation Gage at Harford Glen Park

Servicing a Precipitation Gage at Harford Glen Park

Tyler Bowser services a precipitation gage at Atkisson Reservoir near Bel Air, MD (01581753), within Harford Glen Park.

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Tyler Bowser stands on a ladder and services a rain gage.
Fallston Precipitation Gage
Fallston Precipitation Gage
Tyler Bowser stands on a ladder and services a rain gage.

Fallston Precipitation Gage

Fallston Precipitation Gage

Tyler Bowser services a rain gage at Winters Run Basin at Fallston, Maryland (393126076244301).

Photos credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Tyler Bowser stands on a ladder and services a rain gage.

Fallston Precipitation Gage

Fallston Precipitation Gage

Tyler Bowser services a rain gage at Winters Run Basin at Fallston, Maryland (393126076244301).

Photos credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
A person stands along a boardwalk among tall grass. A rain gage can be seen.
Atkisson Precipitation Gage
Atkisson Precipitation Gage
A person stands along a boardwalk among tall grass. A rain gage can be seen.

Atkisson Precipitation Gage

Atkisson Precipitation Gage

Tyler Bowser at Atkisson precipitation gage at Harford Glen in Maryland.

Photo credit: David Fisher

By
Maryland-Delaware-D.C. Water Science Center
A person stands along a boardwalk among tall grass. A rain gage can be seen.

Atkisson Precipitation Gage

Atkisson Precipitation Gage

Tyler Bowser at Atkisson precipitation gage at Harford Glen in Maryland.

Photo credit: David Fisher

By
Maryland-Delaware-D.C. Water Science Center
A precipitation gage amid tall grass and a blue sky. The precipitation gage is a cylinder resting upon a platform raised in the air with a metal pole.
Atkisson Reservoir Precipitation Gage
Atkisson Reservoir Precipitation Gage
A precipitation gage amid tall grass and a blue sky. The precipitation gage is a cylinder resting upon a platform raised in the air with a metal pole.

Atkisson Reservoir Precipitation Gage

Atkisson Reservoir Precipitation Gage

Precipitation gage at Atkisson Reservoir near Bel Air, Maryland (01581753) in Harford Glen Park.

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
A precipitation gage amid tall grass and a blue sky. The precipitation gage is a cylinder resting upon a platform raised in the air with a metal pole.

Atkisson Reservoir Precipitation Gage

Atkisson Reservoir Precipitation Gage

Precipitation gage at Atkisson Reservoir near Bel Air, Maryland (01581753) in Harford Glen Park.

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Standing on a ladder, a USGS hydrologic technician holds a bottle over a small cylinder-shaped structure.
Tyler Bowser Services A Precipitation Gage
Tyler Bowser Services A Precipitation Gage
Standing on a ladder, a USGS hydrologic technician holds a bottle over a small cylinder-shaped structure.

Tyler Bowser Services A Precipitation Gage

Tyler Bowser Services A Precipitation Gage

Tyler Bowser holds a bottle over a precipitation gage.

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Standing on a ladder, a USGS hydrologic technician holds a bottle over a small cylinder-shaped structure.

Tyler Bowser Services A Precipitation Gage

Tyler Bowser Services A Precipitation Gage

Tyler Bowser holds a bottle over a precipitation gage.

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
In a puddle ridden gravel parking lot, Chris Lewis takes refuge from the rain in the back of an SUV as he works on a laptop.
Taking Shelter From The Rain
Taking Shelter From The Rain
In a puddle ridden gravel parking lot, Chris Lewis takes refuge from the rain in the back of an SUV as he works on a laptop.

Taking Shelter From The Rain

Taking Shelter From The Rain

Chris Lewis takes refuge from the rain as he surveys the Delmarva Peninsula after Hurricane Ian.

Photo in Lewes, Delaware.

Photo credit: Neel Hodgkinson/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
In a puddle ridden gravel parking lot, Chris Lewis takes refuge from the rain in the back of an SUV as he works on a laptop.

Taking Shelter From The Rain

Taking Shelter From The Rain

Chris Lewis takes refuge from the rain as he surveys the Delmarva Peninsula after Hurricane Ian.

Photo in Lewes, Delaware.

Photo credit: Neel Hodgkinson/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Chris Lewis looks for high water marks on a boardwalk.
Surveying For High Water Marks
Surveying For High Water Marks
Chris Lewis looks for high water marks on a boardwalk.

Surveying For High Water Marks

Surveying For High Water Marks

Chris Lewis surveys for high water marks on the Delmarva Peninsula.

Photo credit: Neel Hodgkinson/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Chris Lewis looks for high water marks on a boardwalk.

Surveying For High Water Marks

Surveying For High Water Marks

Chris Lewis surveys for high water marks on the Delmarva Peninsula.

Photo credit: Neel Hodgkinson/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Behind tall grass and in front of a river with docked boats, Jacob Mavrogeorge pauses to think as he surveys.
Lewes Survey
Lewes Survey
Behind tall grass and in front of a river with docked boats, Jacob Mavrogeorge pauses to think as he surveys.

Lewes Survey

Lewes Survey

Jacob Mavrogeorge surveys in Lewers, Delaware.

Photo credit: Neel Hodgkinson/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Behind tall grass and in front of a river with docked boats, Jacob Mavrogeorge pauses to think as he surveys.

Lewes Survey

Lewes Survey

Jacob Mavrogeorge surveys in Lewers, Delaware.

Photo credit: Neel Hodgkinson/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
A woman holds a water quality sonde in Sligo Creek.
Collecting a Water Quality Sample
Collecting a Water Quality Sample
A woman holds a water quality sonde in Sligo Creek.

Collecting a Water Quality Sample

Collecting a Water Quality Sample

Erica Warner holds a water quality sonde in Sligo Creek in Maryland on October 4, 2022.

By
Maryland-Delaware-D.C. Water Science Center, Maryland-Delaware-D.C. Water Science Center
A woman holds a water quality sonde in Sligo Creek.

Collecting a Water Quality Sample

Collecting a Water Quality Sample

Erica Warner holds a water quality sonde in Sligo Creek in Maryland on October 4, 2022.

By
Maryland-Delaware-D.C. Water Science Center, Maryland-Delaware-D.C. Water Science Center
A scientist in a life vest stands on a pier next to a box affixed to the railing overlooking a calm, blue ocean
Deploying sensors before Hurricane Ian
Deploying sensors before Hurricane Ian
A scientist in a life vest stands on a pier next to a box affixed to the railing overlooking a calm, blue ocean

Deploying sensors before Hurricane Ian

Deploying sensors before Hurricane Ian

As part of the National Oceanographic Partnership Program (NOPP), USGS works with several partner agencies to increase our knowledge of how storms impact and shape our coasts.

By
Coastal and Marine Hazards and Resources Program, Maryland-Delaware-D.C. Water Science Center, South Atlantic Water Science Center (SAWSC), St. Petersburg Coastal and Marine Science Center
A scientist in a life vest stands on a pier next to a box affixed to the railing overlooking a calm, blue ocean

Deploying sensors before Hurricane Ian

Deploying sensors before Hurricane Ian

As part of the National Oceanographic Partnership Program (NOPP), USGS works with several partner agencies to increase our knowledge of how storms impact and shape our coasts.

By
Coastal and Marine Hazards and Resources Program, Maryland-Delaware-D.C. Water Science Center, South Atlantic Water Science Center (SAWSC), St. Petersburg Coastal and Marine Science Center
Eric Boyd pulls an Acoustic Doppler Current Profiler across a river.
ADCP at North Branch Potomac River
ADCP at North Branch Potomac River
Eric Boyd pulls an Acoustic Doppler Current Profiler across a river.

ADCP at North Branch Potomac River

ADCP at North Branch Potomac River

Eric Boyd pulls an Acoustic Doppler Current Profiler across the North Branch Potomac River at Barnum, West Virginia (01595800).

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Eric Boyd pulls an Acoustic Doppler Current Profiler across a river.

ADCP at North Branch Potomac River

ADCP at North Branch Potomac River

Eric Boyd pulls an Acoustic Doppler Current Profiler across the North Branch Potomac River at Barnum, West Virginia (01595800).

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Eric Boyd walks across a bridge over a lake to a tower. Mountains can be seen in the distance.
Bridge at Jennings Randolph Lake
Bridge at Jennings Randolph Lake
Eric Boyd walks across a bridge over a lake to a tower. Mountains can be seen in the distance.

Bridge at Jennings Randolph Lake

Bridge at Jennings Randolph Lake

Eric Boyd walks on the bridge at Jennings Randolph Lake (01595790).

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Eric Boyd walks across a bridge over a lake to a tower. Mountains can be seen in the distance.

Bridge at Jennings Randolph Lake

Bridge at Jennings Randolph Lake

Eric Boyd walks on the bridge at Jennings Randolph Lake (01595790).

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Eric Boyd walks along the bridge over a pristine blue lake with mountains in the background.
Jennings Randolph Lake with Eric Boyd
Jennings Randolph Lake with Eric Boyd
Eric Boyd walks along the bridge over a pristine blue lake with mountains in the background.

Jennings Randolph Lake with Eric Boyd

Jennings Randolph Lake with Eric Boyd

Eric Boyd walks along the bridge at Jennings Randolph Lake (01595790).

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
Eric Boyd walks along the bridge over a pristine blue lake with mountains in the background.

Jennings Randolph Lake with Eric Boyd

Jennings Randolph Lake with Eric Boyd

Eric Boyd walks along the bridge at Jennings Randolph Lake (01595790).

Photo credit: David Fisher/USGS Contractor

By
Maryland-Delaware-D.C. Water Science Center
A USGS scientist holds up vial.
Frostburg Trailer Community Well Sampling
Frostburg Trailer Community Well Sampling
A USGS scientist holds up vial.

Frostburg Trailer Community Well Sampling

Frostburg Trailer Community Well Sampling

A USGS scientist holds a vial.

Photos by Neel Hodgkinson/USGS. Public Domain

By
Maryland-Delaware-D.C. Water Science Center
A USGS scientist holds up vial.

Frostburg Trailer Community Well Sampling

Frostburg Trailer Community Well Sampling

A USGS scientist holds a vial.

Photos by Neel Hodgkinson/USGS. Public Domain

By
Maryland-Delaware-D.C. Water Science Center
Downstream side of the Conowingo Dam on the Susquehanna River
Downstream side of the Conowingo Dam on the Susquehanna River
Downstream side of the Conowingo Dam on the Susquehanna River
Downstream side of the Conowingo Dam on the Susquehanna River

Downstream side of the Conowingo Dam on the Susquehanna River

Downstream side of the Conowingo Dam on the Susquehanna River

Downstream side of the Conowingo (hydroelectric) Dam on the Susquehanna River in Conowingo, Maryland.
Summer 2022 Photo Contest: Nicholas Giro, Honorable Mention category

By
Chesapeake Bay Activities, Maryland-Delaware-D.C. Water Science Center
Downstream side of the Conowingo Dam on the Susquehanna River

Downstream side of the Conowingo Dam on the Susquehanna River

Downstream side of the Conowingo Dam on the Susquehanna River

Downstream side of the Conowingo (hydroelectric) Dam on the Susquehanna River in Conowingo, Maryland.
Summer 2022 Photo Contest: Nicholas Giro, Honorable Mention category

By
Chesapeake Bay Activities, Maryland-Delaware-D.C. Water Science Center
Two people look up to the sky as a helicopter takes off, carrying a hoop like sensor.
Helicopter Surveys Delaware Bay For USGS Water Research
Helicopter Surveys Delaware Bay For USGS Water Research
Two people look up to the sky as a helicopter takes off, carrying a hoop like sensor.

Helicopter Surveys Delaware Bay For USGS Water Research

Helicopter Surveys Delaware Bay For USGS Water Research

The USGS conducted an Airborne Electromagnetic Survey of subsurface conditions under and around the Delaware Bay. The data collected will improve scientists understanding of groundwater salinity as climate change, coastal storms, and growing groundwater demands increase the risk of saltwater impacting water supplies in the region.

By
Maryland-Delaware-D.C. Water Science Center, Maryland-Delaware-D.C. Water Science Center
Two people look up to the sky as a helicopter takes off, carrying a hoop like sensor.

Helicopter Surveys Delaware Bay For USGS Water Research

Helicopter Surveys Delaware Bay For USGS Water Research

The USGS conducted an Airborne Electromagnetic Survey of subsurface conditions under and around the Delaware Bay. The data collected will improve scientists understanding of groundwater salinity as climate change, coastal storms, and growing groundwater demands increase the risk of saltwater impacting water supplies in the region.

By
Maryland-Delaware-D.C. Water Science Center, Maryland-Delaware-D.C. Water Science Center