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Carriprehcrosiva Plani Sltarmwaler Momiagamert Sub -Element <br />sadimanllat:icm; ]law lavals ofdissa:lvck axygan; and, decilining fisharies. Thosaprobllams aiie:lange:ly <br />atllributed to slormwarter ruriaffl from agrIciulturall operations. Acaard:ing to the SJRIWMD, <br />agridulturall-I ascic loadiings ora responsible fl`ir more than 9_`I parcient ofl the total llaadings for <br />nutrIants,'HSS, and flow. <br />St. Sebastian Rimcm Basin <br />Thraci (3) sub -basins have been ideivified within This basin. Thlosa sut -basins ir.icilude: thle C ity ofl <br />Sebastian, whliah inciludcis tha Sabastian H ighlands subdivision; lhla uniinciorparated Raselland araa, <br />which is laaated in 1ha northarn portion oflthe basin; and tha saulhciast par ion of lhla St. Sebastian <br />Mlvcir Preserve 511 ate Bark (Flaming Grant araa), which is local cid in lhla norl hwestarn portlan of this <br />basin, west of the South Prond of 1ha St. Scibastian River. <br />Locatad within lhla St. Scibastian River Basin, llha Vero Llakes Walari C ontro:l District is assoaiallcid <br />wilih the Vora Lako Estallcis residential c civelopmanll. <br />Servica Ar as <br />The 511. Sebasll i an Rivera Basin is bordered on the east by tha BECRR and 1 o the west by tha Belllsmerci <br />Farris Walari C antrall Distriat (IFIBWCD), an tHo south by Wlabassa Rcia d ( 83thl SbicieVCRI31Q, allan�l <br />the west by Channel "D", and extends to the narih Indian Rivera County Lina. <br />Located r. orl h of the SKID, tha St. Sebastian Rlvar Basin rieaaives disahaniga frari Basins 1, 2, 3 and <br />4 via tributar:ias laaidinig 110 tha South Prong cif tha St. Sabastian River. Tha Sebasitlan Rlvar, Coll:iar <br />Ciiaek, and Ellkaam floodways f law thrioughl this basin, w:ithl s11 ormwater runoff ufhimatelly di:iahlargimg <br />to the IRL. Ma Roseland sut-•basin contains thAici small sub -arias (]lass thlan 300 acresi) wh:iah <br />inclluda: Flriog Lleg Creek (was11 Rloseland),1:1811h Strciet (Centrlal Rloseland), and C ibsan Straet (130th <br />Streef . <br />Tha southeast quadrant ofl the St. Sebastian Rliver Hascirva Slata Park is lociatad within tHa <br />northlwastarn portion of the t asiin and aordains approximalcdy 3,000 acires. <br />Nalural Bealuras <br />Tha topography oflthe area :is ralalively flat, A ithl elevations in 11.1a maid -20s (fee11' above MSL. Tha <br />1 cirrain slopes gentllN towards the 1lributariias aflthle South Brong of tha S1. Sebastiian River (IC alliar <br />Criecik, Southl Frang Crciakl, Fnog Lleg Crcicikl, atc.). Dlisahaniga from thlis basin is to 11hci IRLI. <br />Soils in tha area are pradominatelly lhla Bau Gallia-Oldsmar-Wabassa seri cis and the Rliviara-Bir.ieda- <br />Wabasso sen:ias asso6ations. Dlue to poor drainiage chanaciteristiici.i, the wal seasons wataii 1lable <br />alevallion is within ana to two fMet of tho surfficie lhiloughout the miost of tha basin. <br />Communily Develarlinenil Dellarlmienil Indian River Caumly{ 1.1 <br />