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Camipretl ensive Plana Starmwoter Management Sub-Dlememt <br />ANALYSIS <br />N ciarlly a caenturyl ago, acanstruclion caflthe netwcark of drainages caanals and ditchers in the acaurAN began <br />with thle purposci of driainingl marshlands to allows aultivation of citrus and vogetablo crops. llhcaso <br />oniginal drainago ncilworiks now comprise the vanicius waters control districts in tho caounq. Tho llulee <br />oldcist waters control dislricils are the Follsmerci Farms Water Clcantrcal Dlistriial (FF'WUD), thio Indian <br />1Zlivcir Farms Wator Cor.rtrol District (IRAWCIDI), and tho Sebastian Mivcir lmipravcimieint District <br />(SRIDI). <br />W:ilh thci aonistruction of lhci Indian Riven Farmis drainage network, a :I an8ci pail ion cafltho caount� was <br />addcid to thea Indian Riven IJagoor.i's walarishac' via thrleci majar outfall carials. Maw canals arca the <br />Main Mal:icaf Canal, tho North Mehicif Canal, anic lha South Mehicif Canal. Previously, thea ]Indian River <br />11agacan's wiatorshed acinsisted canlly of land ciast of lha Atlantic Coastal Ridge. At thlal timie, areas <br />betty acan tha Atlantic Clcaastal Ridge and thea llein Millet R'dgca driainad info thea Southl Plnong of the St. <br />Sebastian Riven, wihila aiicias west of thle Tan M ilea Ridga f lawed into tha hleadwaleris of the St. Iohns <br />River. <br />In taunt deicades, urban devell capmiant hlas iieplacead aDlicullture :in portions of Indian River County. As <br />thio cour.rty bogan to exponieinicea urbanization, fllcacad aontriol beaamci a high priority to protecat <br />devealopirant from flooding by modifying r.aturall syslams tca conivey starmwjatara runoff away from <br />urabanizeac ajeas. All thlough cifftictiva, that strategy resultcid yin :impacts to water qual:it�, parliaular:ly ini <br />the Indian Rivaii IJagocan. <br />Cvar thle years, f✓:adwal, state, and local stcarmiwaater management regulations have becomo rnara <br />stringent. Currentlly, stcarmwaleri rnanagamiant f�c:ilit:ias arca requarad to control thla quantity and <br />quality of stormwiator ruroff I <br />Within Indiar. Rver County, the various drainage networks have boein sucaessful in prcavic ingl food <br />praotecrtior.i. During a recant 100-yom storm evant (`➢rap:icaal Storm Fay;, na major fllocadingl ocaurrad <br />within the aount�. As a resu:ll oflthat storm, only loaalized stneat fllacadingl was oxporianced in soma <br />portions of thio county. <br />Whila thara has baeni some success in addressing the detrimicintal aspects of stormwiatcir runoff intca <br />the lagoon, additicanal eff ni s are needed to impriove water qua]ity th>ioughcaul tho IRL. lla :imiprovea <br />water quatiq in thla lagoon, tha quanatiq cafI stormwattor rieaaabling the lagacin must be reduced in <br />conaiunctican with tha improving tole quality of that wiatear. <br />Communiit}j 11eivelapmemit Deiplartmemt Inidi am River C aunty 3=l <br />