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Water Science for Maryland, Delaware and the District of Columbia

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Outreach

USGS is the Nation's largest natural-science agency and has the principal responsibility within the Federal government for mapping the Nation, assessing its geologic resources and hazards, understanding its natural biological resources, and providing hydrologic information for appraising the Nation's water resources. The Maryland-Delaware-D.C. District Office is mostly involved with conducting water-resources investigations. However, the District Chief (Baltimore) represents all of USGS in Maryland and D.C., and the Subdistrict Chief (Dover) represents USGS in Delaware.

The water resources of Maryland, Delaware, and the District of Columbia consist of numerous streams, springs, lakes, and aquifer systems. Streamflow, Groundwater levels, and water-quality data are collected at numerous locations, and water-use data are collected throughout the area. These hydrologic data and other data are used in research and hydrologic studies to describe the quantity, quality, and location of the area's water resources. The collection, analysis, and interpretation of these data is done in cooperation with other federal, state and local agencies, universities, and research centers.

The U.S. Geological Survey provides the Nation with reliable, impartial information to describe and understand the Earth. This information is used to minimize loss of life and property from natural disasters, manage water, biological, energy, and mineral resources, enhance and protect the quality of life, and contribute to wise economic and physical development.

Press Releases and Reports

NEWS! Current Water Conditions Summary
Updated during the first week of each month, our press releases feature the latest information on Groundwater and surface-water in the MD-DE-DC Water Science Center.

Reports on USGS programs in Maryland, Delaware, and the District of Columbia
This page contains a Bibliographical Listing of online publications from the Maryland-Delaware-D.C. district of the US Geological Survey, Water Resources Division.
 
Estimated Streamflow Entering the Chesapeake Bay   Total    |   Cross Sections
A monthly summary of cumulative streamflow into Chesapeake Bay designed to aid those concerned with studying and managing the Bay's resources. Cumulative streamflow is estimated using data collected near the end of each month from index stations on the Susquehanna, Potomac, and James Rivers.
 
Potomac River Streamflow
Total streamflow of the non-tidal portion of the Potomac River and the total of diversions for water supply in the Washington area.
 
Groundwater Levels in Maryland and Delaware
Current Groundwater information maps are listed by county, categorized by water table well or confined aquifer well, with 5 year information.
 
NWC - Water Resources Review
Updated monthly - featuring information on surface-water and Groundwater in the Maryland-Delaware-DC district

Educational Resources

All Topics

Water

Biology

Geology

Cartography/GIS

Informative Links

District Cooperators

Maryland Department of Natural Resources
Maryland Department of Natural Resources
Delware Geological Survey
Delaware Geological Survey
Maryland Department of the Environment
Maryland Department of the Environment
Environmental Protection Agency
Environmental Protection Agency

U.S. Fish and Wildlife Service
U.S. Fish and Wildlife Service
National Park Service
National Park Service
City of Baltimore
City of Baltimore
Maryland Department of Transportation
Maryland Department of Transportation

Washington Metropolitan Area Transit Authority
Washington Metropolitan Area Transit Authority
Aberdeen Proving Ground
Aberdeen Proving Ground
U.S. Air Force Research Labratory
U.S. Air Force Research Labratory
Delaware Dept. of Natural Resoures
Delaware Department of Natural Resources

Baltimore County Maryland
Baltimore County Maryland
Interstate Commission on the Potomac River Basin
Interstate Commission on the Potomac River Basin
Army Corps of Engineers
Army Corp of Engineers
Dover Air Base
Dover Air Force Base

Patuxent Naval Air Station
Patuxent Naval Air Station

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Page Last Modified: Wednesday, January 18, 2017