Regions are based on natural boundaries such as ecoregions or land resource regions, rather than political boundaries. In the Galveston District, we have two supplements to the 1987 Corps of Engineers Wetland Delineation Manual, the Great Plains Supplement and the Atlantic and Gulf Coast Plain Supplement. Corps of Engineers Wetland Delineation Manual, which provides tec hnical guidance and procedures for identifying and delineating wetlands that may be subject to regulato ry jurisdiction under Section 404 of the Clean Water The Regulatory Program is committed to protecting the Nation's aquatic resources and navigation capacity, while allowing reasonable development through fair and balanced decisions. The Corps evaluates permit applications for essentially all construction activities that occur in the Nation's waters, including wetlands. Manual for Defining Wetlands The EPA and the Corps use the Corps of Engineers Wetlands Delineation Manual to define wetlands for the Clean Water Act Section 404 permit program. Section 404 requires a permit from the Corps or authorized State for the discharge of dredged or fill material into the waters of the United States, including wetlands. Corps of Engineers Wetlands Delineation Manual [U.S. Army Corps Of Engineers] on Amazon.com. *FREE* shipping on qualifying offers. The manual was originally published in January 1987, following several years of development and testing of draft versions. Since that time The use of the 1987 Corps of Engineers Wetland Delineation Manual and the applicable Regional Supplement is required when any wetland delineation is performed and submitted to the Louisville District. The submitted wetland delineation should be accompanied by appropriate documentation and will be subject to review and validation by this office. A wetland delineation is a study which identifies the exact boundaries of a wetland. A wetland delineation must be performed in accordance with the 1987 Corps of Engineers W