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i <br /> TaUlcl-�.G SCSRenoffCun�cNmnbcrs <br /> LAND USE DESCRIP7'ION CL'.TtVE NU1�4BEkS BY <br /> HYDROLOGIC SO[L GROUP <br /> A B C D <br /> Cultivatcd Land wintcr condition 86 91 94 9� <br /> ivlountain open area low ro���in brush R grasslands 74 82 89 92 <br /> Mcadow or pasturc 65 78 85 89 <br /> � Wood or forest land undisturbed 42 64 76 R 1 <br /> � voun second gro��th or brush 55 72 _ S I 86 <br /> � Orchard ���th covcr cro 81 88 92 94 <br /> ( Open spaces (la«ros,parks, <br /> golfcourses, landscaping, ctc.) <br /> � Goodcondition grasscovcron>75%ofatea 68 80 86 90 <br /> i Fair condition rass covcr on 50-75%c;arca 77 85 90 92 <br /> � Gravcl roads and pazking lou 76 85 89 91 <br /> Dirt roads and parking lots 72 82 87 89 <br /> Impervious surfaces avement, roofs, etc. 98 98 98 98 <br /> Open watcr bodics lal:cs, ��rdands, onds, etc. ]00 100 ]00 100 <br /> Singlc famil}�residcntial (]) <br /> Dwclling UnidGross Acrc %Impervious <br /> 1.0 15 Separate curve <br /> 1.5 20 numbers must <br /> 2.0 25 be selected for <br /> ' 2.5 30 pen�ous and <br /> � 3.0 34 impen�ous <br /> � 3.5 38 portions of ihe <br /> 4.0 42 sitc or basin <br /> � 4.5 46 <br /> 5.0 48 <br /> 5.5 50 <br /> � 6.0 52 <br /> 6.5 54 <br /> 7.0 56 <br /> PRD's, multi-famil}�, <br /> � commercial, industrial <br /> ( <br /> i <br /> (1) 7lic °��impen ious values assume d�at roof and drivcn•ay runoff is direc[ed into ff�e strcet/srortn s}�stem <br /> 1-�-_3 <br />