Green Infrastructure Primer: A Delaware Guide to Using Natural Systems in Urban, Rural, and Coastal Settings

Delaware’s Green Infrastructure Primer, released in 2016, provides an overview of nature-based approaches that can mitigate stormwater runoff, flooding, erosion, and water and air pollution. The primer provides an introduction to green infrastructure, fact sheets regarding eight green infrastructure practices, three case studies showing examples of green infrastructure being used in Delaware, a discussion of larger-landscape-scale green infrastructure efforts, and suggested resources for more information.

The primer explains what green infrastructure is, the environmental, economic, social, and aesthetic benefits of green infrastructure, and various types of green infrastructure. The primer also describes some key considerations that influence green infrastructure decisions, such as site conditions (including slope, soil type, and contaminants), character of drainage and local hydrology, construction resources, maintenance, costs, stormwater requirements, and permitting.

The primer provides guidance on rain gardens, planter/tree boxes, vegetated swales, green roofs, rain barrels, urban forests, riparian buffers, and living shorelines. For each, it describes the benefits, site and design considerations, and maintenance needs.  The case studies cover urban, rural, and coastal settings.

The section on landscape-scale green infrastructure discusses ongoing needs to protect forests, wetlands, and shorelines.

Publication Date: January 2016

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  • Best practice

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