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UPPER ST. JOHNS RIVER BASIN SURFACE WATER MANAGEMENT PLAN Environmental Planner Challacombe reviewed the Ad Hoc Committee recommendations, noting that there is one correction - on page 5 of the memo, where they made comments on various sites, Site E should be corrected to Site D. TO: DATE: FILE: The Honorable Members August 21, 1985 of the Board of County Commissioners DIVISION HEAD CONCURRENCE: SUBJECT: o ert M. K at ng,0 ICP Planning & Development Director UPPER ST. JOHNS RIVER BASIN SURFACE WATER MANAGEMENT PLAN - ARMY CORPS OF ENGINEERS GENERAL DESIGN MEMORANDUM: FINAL RECOMMENDATIONS BY THE AD HOC COMMITTEE FROM: �--- REFERENCES: Art Challacombe St. Johns Chief, Environmental Planning DIS:BADAP It is requested that the data herein presented be given formal consideration by the Board of County Commissioners at their regular meeting on September 4, 1985. DESCRIPTION AND CONDITIONS: The Upper St. Johns River Basin Plan is part of an overall flood control project for central and southern Florida. The first authorization for flood control in central and southern Florida was the Flood Control Act approved June 30, 1948. That authorization included most of the works necessary to afford flood protection to the agricultural development south of Lake Okeechobee and the highly developed urban area along the lower east coast of the State. The 1948 authorization did not include any works in the Upper St. Johns River Basin. The remaining works of the Comprehensive Plan for Flood Control and other purposes for Central and Southern Florida, including all works in the Upper St. Johns River Basin,' were authorized by, the Flood Control Act approved September 3, 1954. That authorization specifically recognized that the plan of -improve- ment would require refinement and that modifications, within the scope and purpose of the authorization, could be made at the discretion of the Chief of Engineers. This report (Part III, Upper St. Johns River Basin and Related Areas; Supplement 2, General Design Memorandum, Upper St. Johns River Basin, Addendum 3) is a reevaluation report of the authorized project. Included is updated information on the basin and the evaluations of variations to the basic concept plan. The several plans were studied to determine if each was implementable from engineering, economic, socioeconomic, and institutional viewpoints. Additionally, each plan was reviewed to determine how it would be impacted by Federal cost-sharing guidelines and by the Water Resources Development Act of 1974, which requires that consideration be given to nonstructural alternatives for flood damage prevention or reduction. 35 SEP 4 ' BOOK � 985 .. _...