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Comprehensive Play 19tarmwEdur Mfir agement Sub -Element <br />single-family and multifamily deivelcipmor.ts; hovueiver, thea band of cistuarina vwelllanids parallelling <br />the sharci of ilho IRIJ remainis largoly undcivoloped. <br />Oparat:ing Ent:ilies and Jur:isdicitionia] Rlespansibidity <br />W:ithlin sub -basin R -2I, stormwatar faciil:ilies ane ownad and mairu:incic by Indian River County, thea <br />city of Sebastian, tha HECRM, and the F1DOT. Saverall privates residential devalopmenits own and <br />maintain separala stormvwator systems. <br />Capaaity Analysis <br />Proximale to U.B. 1 and tHo FIECRRI, thla primiary so armwvallar fac:ilitias ara designed to aacommoc ata <br />a 2fl yciar/24 Maur storm event. Rleicently, svwales vwera upgradad in Rlosaland amt of the PEC railroad, <br />anc a detanlion pond was added adjacienit to 1 J5'h Ava. <br />- Ind ian Rlveir F ar ms VNaitar C ontt al Dish ict Basin <br />Servi:iae Aiea <br />Managing stormvaatar runafflfor over Iwo -thirds aflthle county's tubanizod arc ia, IHe Indians Rivar <br />Farms Water Carilral Dlistriat (11RFWCD: has the largost sermiciei area of any walar control dismal in <br />the county. Ganarally, tHa 1RFIWCD sandca arcia is located wcist of tha Atlantic Caaso al Ridge and <br />conisi.ils oftluleci separallci sub-basini.i: tha NortH Re:liiaf C areal (NRC ), sub -basin C-1; thlci Main Rcdicif <br />Canal (MRC), sub -basins C -2; and iIha South Relief Canal (SRC;, sub -basins C-3. <br />Topography <br />Whale the staape.rt slopes vwitHin the IRI]MICID t as:in ara located along Iha west sada of the Atlantia <br />Coast Ric ga, thle ramiainder afltHe district is ralativoly flat. <br />Slrucitural Faatures <br />Complate:ly sHaeilded flrom autsida inflova by a :rystam of levees, ovar J20 mules of sub-lataral and <br />latciral drainaga canals provida positiva drainaga for ninofflwithlin tha basin. To prevail saltvvatar <br />intrusion and aor.itrol water levels, water aanilral stnicitures ara localed on tha reliaf canal syyslem. <br />Raaenitlly, racial gatas warn rep:laccid witH Milting gatas at savaral control slniature locations. 'lilting <br />gates allow less sac imenit to pass thriouel tha stniatune. <br />WitHin sub -basin C-1, reiaent upgradas to struclural fdatunes inalude: <br />CommunityDeveilapmenlnerjarlmet I Indifir lPiverCoumly :I4 <br />