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Comprehensive Plan 1I1ormwaler Manaigemienil ,;luib-Elemenit <br />As a iiesult cif extcnsivc cu:lvcrting arid the addition of impeniious surfawes, large sciat:ians ofl <br />sub:lateralls w:ilhlin 11hc distract arei constriatad - as ir.idicalleid by low flows and hlighl hcadlossas. <br />Overall, must :locations eiast of the Al lantia Caasll al Sand Rldgc will] riot exporiienaci flooding bacausei <br />ofltha Dlislrict's aanals; hlowavar, sarna awas bawaein 11ha At:laritia Coastal Sand Ridge and 11le'len <br />Milla Rldga voila experianae flloodir.igl due to gcnciral low ground conditions. <br />• Water Quality <br />As a reisullt aflBcst Maniagernanit F naatices (BMF s) and farmiwatcir miariagcmenrt praat:iaes, sub -basins <br />wiiI in thla IRFWCDI aor.lributci lass than ninci pcirccmt ofthle tala1 suspar.idad solids ('BSS) entaring thla <br />IRL. <br />Sub -Basin C-1 (North Rcli(lf Canal) <br />• Flood 2lonas <br />Overall, sub -basin C-11 aonitains thle second largest flood prone arca within) thea IRF WC DI. Within 11lat <br />sub-basir.i, fllaad e:lcivations ranga from 19 to 2'-I fMet. <br />Wallari Quality <br />Within sub-basini C-1, e:lcvated lavals cif nutriarts, turibidiq and sed:irrieirtallion are atllributed to <br />agricultural runoff, url an runoff) ar.ic saptia tanks. <br />• Sub -Ho An C-2 (Main Relief Canal) <br />11 laud Zones <br />C vciraa 1, sub -basin C -:I aanl ains several flood pronci arcias. Thlc largest ansa :i s boun ded to tha narthl by <br />lhla Main Relief C areal, to the ciast by 43rd Avenue, and to the west by i 4 t, Avenue. <br />Ini sub-basir.i C-2, fllooc ellavat:ions range from E to 1 feet. <br />Water � uality <br />Wilhin sub -basin C-1, alematad lemells of nulrienrts, 11urb:idity and scidimentation are atlributad to <br />agr:i aultiu a:l ninoff � uriban runoff, and septi a 11 ank s. <br />Carrimuoo itj Development Department Indian River C auntM 26 <br />