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C amprcll er side Plan Starmwiater Management St lJ 4 Icirierd <br />Indian Miver Lagcion WatershIcid <br />Thea Indian River Llagoon is an cistuanine system that axlends from Ponce Dei Leacan Inkil :in lklus:iai <br />County to Jupiter Inlet in Balm Eleaach County. lin lincian River County, tha lagoon's walenihad <br />eancaompasscis the mia'orit)I of thle eaaatern portion ofI1ha county. W:ilhin Indian Mor Caunt)I, tho <br />wiaters of the IRL receive an influx of saltwater from thea Atlantic C caean. Wh i lca thaat saitwall eir passeis <br />througbl tho Sebastian lir.ilet aar.ic the Flt. Picarcae Inlet, 1lhea 8t. Seiba:atian River, drainagea canals and <br />over]anc sihaeit f.lawi provide freashwiater inflows to 1ha laagoan. Besides those cahanactearisticsi, ocean <br />exaharagea, ria:inf411, stormwiatear runofIlanc cavaporialion all contrnlbuteta 1lhe estuarina charactearist:icis of <br />tho IRL. Conerallly, salinit)I leveahi in i1hea IRL range fiiorri 4.0 i1a 4(1.0 parls pens thousaric (ppt) and <br />avoraage 26.1 ppt. Salinity leaveis are highest near 1ha inlet:a and gradually declinei to their lawest <br />Rivals withlin 1lhea City Limits of Mero Elcaach. Figure :I dep:icat:a tble draainagea basins in Indian Riven <br />County. <br />5 cibastian Ri vcn I mpi civcimean t r i sitrict E asin <br />Flormienily known a:i the 8cibasllian Rlvear Water Control I1isllrict, thea Seabastian Rlveiii Improverricar.at <br />District (SRID), was areiatec in 1927 as a Chapter FI.S. 298 8pecaiall Drainage Dlistriat to flacillitallea <br />dave:lopmoni of agricullural lands. Currently, thea d:istnicat caonstitutes a separate basins :in tho county. <br />Serviiae Ai as <br />The SRIII is lcacaatec north afl Walkar Avenue (2(thl Streat), east ofl90tbl Avenua, arae saulh of 8-I1h <br />Streaeit (Wabasaa Road). The SRIDI inaluc eas 11hea Canal "C" (whiahl runs north/southl along 82r.ic <br />Avenue) and Dlitah "DI" (wihichl runs ncarlh/south allcang 90th) Avenue) sub -basins. Combined, these <br />fbatunes drain approximallaly I Iff 7 acare:a. <br />T atural Fleatuncis <br />Sloping northlerly towarc s 11he Sau11h Prong of 11he St. Sebastian River, the SRIL1 is relatively flat, <br />with an avearage calavatian of 120 fecit. Soils preseint waithlin this basin :include the Rlviena-Bineda- <br />Wabaasso :caries and thea Winder-Rivera-Manateci series. Eloth soil series are calas:aified as "poorly <br />draincad." Dlue to rolativealy paor draining soil aand:itions, lha vuater table alevalions are one to two <br />Ricit balow graund during thle wat season anc approximately foul feet balow graund during tho dry <br />seasons. <br />CarrimuriitN Favelopment Department Indians River Courtly 1?I <br />