Army Corps of Engineers Wetland Delineation / Regional Supplement / Waters of the United States Training: This training covers the protocol of the Regional Supplements in concert with the mandated 1987 Wetland Delineation Manual to identify the presence and boundaries of Waters of the United States. Wetlands Regulatory Assistance Program Regional Supplement to the Corps of Engineers Wetland Delineation Manual: Midwest Region (Version 2.0) E n v i r o n m e n t a l L a b o r a t o r y U.S. Army Corps of Engineers August 2010 Approved for public release; distribution is unlimited. The Corps of Engineers receives thousands of requests each year to perform wetland delineations for potential applicants for permits under Section 404 of the Clean Water Act. Due to limited staff and resources, response time can be several months or longer. 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. » Contact the Corps? » Find a Recreation Area? » Get a Job with the Corps? » Contract with the Corps? » Find a Local Corps Office? » Find Publications? » Topics A to Z » Advanced Search » Site Map U.S. Army Corps Wetland Delineator Methods Bob Prokop Bob Prokop, M.S. in Wildlife Ecology, is a wildlife biologist, NH Certified Wetland Scientist, and professional wetland scientist (SWS), and owner of Wetland Consulting Services. 1987 Corps of Engineers Delineation Manual. The "official" version of the federal manual used in delineations for the Army Corps of Engineers. Regional Supplements to the 1987 Wetland Delineation Manual. The Corps has developed supplemental regional criteria for the 1987 Wetland Delineation Manual. Home / Books and Guides / Wetland Delineation Books Corps of En