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Comprehensive Plan Coastal Management Element Indian River Lagoon, the St. Sebastian River, or other surface water bodies, the County's policy should be to promote the connection of waterfront subdivisions to the sanitary sewer system. A complete analysis of sanitary sewer is provided in the Sanitary Sewer Sub -Element. • Stormwater Management Since 1990, stormwater management facilities in the county have been designed to handle a 25 year/24 hour storm event, as well as to provide treatment before discharging stormwater runoff. Because many sections of the county were developed prior to 1990, the level of service for stormwater management facilities continues to vary throughout the county. Over the past several years, the county has made progress in reducing flood hazards by constructing stormwater management projects in certain areas of the county with known flooding problems, including Vero Lake Estates, east Gifford and the Rockridge Subdivision. Moreover, projects such as the Sebastian Stormwater Park and the North Relief Canal Pollution Control Facility, described previously in this report, contribute to improved stormwater quality. Despite implementation of these projects, the county needs to continue to identify, seek funding, and construct new stormwater improvement projects in areas where needed. A more complete analysis of the County's stormwater management facilities is contained in the Stormwater Management Sub -Element. Sea Level Rise Since the completion of the SLR vulnerability assessment in 2012 that was described in the Existing Conditions section, Senate Bill 1094 was enacted, modifying Florida Statute section 163.3178(2)(fl to require, amongother ther provisions, that local governments in Florida "include development and redevelopment principles, strategies, and engineering solutions that reduce the flood risk in coastal areas which results from high -tide events, storm surge, flash floods, stormwater runoff, and the related impacts of sea -level rise within the coastal management elements of their comprehensive plans. In accordance with this legislation, and based on the best available data from the.NOAA Coastal Service Center sea level projection models and best available local projected inundation data, County SLR inundation maps have been incorporated into this Coastal Management Element for planning purposes (Figures 9.16, 9.17, and 9.18). Community Development Department Indian River County 40 APPENDIX A