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Water Science for Maryland, Delaware and the District of Columbia

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Groundwater Information

Groundwater data is shown by data collection periods including real-time, monthly, and semiannual measurements for confined wells. A summary of the monthly groundwater conditions are explained in the monthly water conditions summary.

Groundwater levels measure the depth to the water table in the aquifer. Wells access the aquifers, which are differentiated as unconfined, water table aquifers and confined aquifers.

Additional groundwater data is available at:

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Page Last Modified: Wednesday, January 18, 2017