Laserfiche WebLink
l able 1-5.6 SCS Runoff Curve Vumbers <br />Culti�•ated Land <br />«inter condition <br />!�tountain open area low gro�cing brush � grasslan� <br />\feado�a or pasture <br />\�'ood or iorest land undisturbed <br />young second gro��th cr brush <br />Orchard �cith co��er crop <br />Oprn spaces (lawns, parks, <br />golfcourses, landscaping, etc.) <br />Good condition grass cover en >75° o o�' nrea <br />Pair condition grass co��er on 50-75% of area <br />Gra�el roads and parkin¢ lots <br />Dirt roads and parking lots <br />]mpen•ious surfaas pavement, roofs, etc. <br />Open ��ater bodies lakes, ��etlands, pends, ett. <br />ISm¢le famih� residrntial (1) <br />D��elling UniVGross Acre °o Impervious <br />1.0 15 <br />I.5 ?0 <br />2.0 25 <br />2.5 30 <br />3.0 3a <br />3.5 38 <br />a.0 42 <br />a.5 a6 <br />>.0 48 <br />S.5 50 <br />6.0 52 <br />6.5 54 <br />7.0 56 <br />P(tD's, multi-familv, <br />cnmmercial, industrial <br />fil'DROLOGIC <br />A 0 <br />86 91 <br />�a sz <br />65 78 <br />42 64 <br />55 72 <br />61 88 <br />68 <br />77 <br />76 <br />72 <br />9tl <br />100 <br />80 <br />85 <br />SS <br />82 <br />ng <br />100 <br />9a <br />89 <br />BS <br />i6 <br />Separate cun�e <br />numbers must <br />be selected for <br />pervious and <br />impen�ious <br />ponions of the <br />site or basin <br />S Bl' <br />GROUP <br />D <br />95 <br />92 <br />89 <br />81 <br />86 <br />9a <br />90 <br />92 <br />91 <br />69 <br />98 <br />100 <br />( I) The ° o impen�ious ��alues assume that roof and dri�•e���;ry runoff is directed into the streeVstorm sysrem <br />I•5-33 <br />� <br />