Fact Sheet
The Impervious Cover Model
This fact sheet covers the Impervious Cover Model and how it can be used to develop watershed management plans to protect stream health.
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Design Spec: Rooftop Disconnection, 2013Developed by the Virginia Department of Conservation and Recreation, this design specification (updated 2013) provides guidance on disconnecting rooftop runoff...
Design Spec
Design Spec: Wet Pond, 2010Developed by the Virginia Department of Conservation and Recreation, this design specification (Version 1.9, March 1, 2011) provides guidance on...
Design Spec
Design Spec: Grass Channels, 2011Developed by the Virginia Department of Environmental Quality, this design specification (Version 2, 2013) provides guidance on using grass channels...