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Water Science for Maryland, Delaware and the District of Columbia

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Water Use and Withdrawals

2010 Freshwater Withdrawals

Water use data is actually water withdrawal data and it is counted as where the withdrawal has occurred, not where the water is used. During 2010, 1,472 million gallons per day (Mgal/d) of freshwater was withdrawn from surface-water and groundwater sources in Maryland, 300 Mgal/d in Delaware, and 0.10 Mgal/d in the District of Columbia.

General Information: Water Use Terminology

2010 Water Use Data (Excel files):



District of Columbia

Historic Data

2000 Freshwater withdrawals in Maryland

2010 maps and graphs coming soon!

National Water Use Data

National USGS Water Use website

USGS Publication: Estimated Use of Water in the United States in 2010

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Page Last Modified: Friday, October 24, 2014