Chapter
Apr 26, 2012
Guide to Functional Design Using the Evaluation for Planned Wetlands (EPW) Procedure
Publication: Engineering Approaches to Ecosystem Restoration
Abstract
The Evaluation for Planned Wetlands (EPW) is a rapid-assessment procedure for use in determining whether a planned wetland has been adequately designed to achieve defined goals. EPW provides 1) a technique for assessing 6 wetland functions, 2) guidance in applying EPW throughout the various steps of the planning process, and 3) a method for calculating the size of the planned wetland required to meet planning/mitigation goals. A wetland assessment area (WAA) represents a designated wetland area to which the planned wetland (PW) will be compared. In many cases the wetland assessment area will be the wetland impact area of a project. The term planned wetland is used to describe a variety of related activities directed at providing wetland functions, e.g., wetland construction, restoration or enhancement. Thus, a planned wetland is a design or an implemented design for a constructed, restored or enhanced wetland. The steps to developing a planned wetland are jointly referred as the planning process.
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© 1998 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Authors
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F. Albert McCullough, III
P.E.
Vice President/Consulting Director, Environmental Concern, Inc.; P.O. Box P; St. Michaels Maryland 21663
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