Maryland-Delaware-D.C. Water Science Center

Water Use and Availability

Filter Total Items: 3
Date published: June 16, 2020
Status: Active

MD-DE-DC WSC Seminar Series

Water Science Seminar Series

Please feel free to join us as water science professionals from the realms of federal, state, local governments, academia, and private practice meet to present this series of discussions about water-related topics in the region (Maryland, Delaware, and Washington, D.C.).


Date published: September 22, 2017
Status: Active

Delaware Agricultural Shallow Groundwater Monitoring Network

Studies in the Delmarva Peninsula have demonstrated that groundwater in shallow unconfined aquifers near agricultural lands is susceptible to contamination from chemicals applied at the land surface.

Observed concentrations of nitrate in shallow groundwater commonly exceed the U.S. Environmental Protection Agency Maximum Contaminant Level of 10 mg/L on the peninsula. Groundwater...

Date published: September 6, 2017
Status: Completed

Water Use

The U.S. Geological Survey (USGS) estimates water use by state, source of water, and category of use every 5 years. The withdrawals for Maryland, Delaware, and the District of Columbia are available in the tables below.

In 2010, 1,472 million gallons per day (Mgal/d) of freshwater were withdrawn from surface water and groundwater sources in Maryland, 300 Mgal/d in Delaware, and 0.10...

Contacts: Wendy McPherson