PPT Slide

Impervious Cover

Subwatershed Impervious Classification

Source: Montgomery County Department

of Environmental Protection, 1998

This is an example of a Montgomery County, MD land use planning map that classifies subwatersheds based on an impervious cover model.

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This is an example of a Montgomery County, MD land use planning map that classifies subwatersheds based on an impervious cover model