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r JUL 29 1981 <br />July 23, 1981 <br />ASSESSMENT REPORT: <br />DEVELOPMENT OF REGIONAL IMPACT FOR VILLAGE GREEN <br />7_ PAGE 04-1 <br />The staff has reviewed the material prepared for Florida Atlantic Associates <br />by their consultants and the Assessment Report of the Treasure Coast Regional Plan- <br />ning Council. <br />The primary purpose of this report is to identify the areas of local impact <br />which can be expected to occur and make recommendations which suggest ways to <br />"eliminate or at least mitigate the negative aspects, or to further enhance the <br />- positive features which exist in the proposal. <br />Preparation of this report has been based on the findings of TCRPC which <br />addresses those areas where the County's Site Plan Review procedures would not <br />probe the issue as deeply. There are five such areas of concern addressed in the <br />TCRPC Report which staff feels have particular local impact._ These are as follows: <br />DRAINAGE _ <br />The -drainage system for the Village Green South portion of the project shall <br />.be redesigned to provide for the.replacement of pipes with swales for carrying runoff <br />between all roadway catch basins and lake discharge points as indicated in -the <br />Revised Drainage Plan submitted to the Treasure Coast Regional Planning Council on <br />July 17, 1981. In addition, the three areas labeled "A" on the Revised Drainage <br />Plan --shall be redesigned so that the swales will be'a minimum of'150 feet in length. <br />-A perforated pipe system may be used instead -of swales if the applicant can demon- <br />., _ <br />strate satisfactory performance to the Treasure Coast Regional Planning Council staff. <br />County staff concurs with the TCRPC recommendations. The inclusion of a - <br />berm formation.next to the lake to retain runoff may be considered as a partial <br />substitute for the rerouting through vegetated systems. These vegetated systems <br />should be landscaped with materials capable of surviving changes in the water <br />quality which may occur because of contaminants entering the drainage patterns. <br />WATER SUPPLY <br />The applicant shall establish a monitoring program that measures the effect <br />of the brine discharge on the water quality of the lake system and the ground- <br />water aquifer in and around the project. Tests shall be conducted for chloride <br />v <br />