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Nitrate lAading Calculations(continued) <br /> Notes: <br /> 1.Ave Monthly precip.for Lodi,Western Regional Climate Center <br /> 2.Estimated Average monthly runoff volume;zero assumed for this site with full on-site retention of rainfall level site. <br /> 3."Available precip"equal to ave.monthly runoff volume precip minus estimed runoff volume. <br /> 4.Referenced Eto obtained from CIMIS Zone 12,Eastside Sacramento-San Joaquin Valley;Represents Value for lawns and other uniform turf areas. <br /> S.Actual ET adjustment based on the site specific landscape/plant cover(fractional multiplier);see below for calculating"composite factor",0.55 for this site. <br /> 6.Net rainfall recharge("deep percolation")equal to Availbale precip(3)minus Actual ET(5);Negative values set to zero. <br /> Calculation of Composite of ETO Adjustment Factor for Hypothetical Residential Lot <br /> a.Key reference:University of Cali.Division of Agriculture and Natural Resources:Estimating Landscape Water Requirements(Table 1) <br /> b.Site Development Conditions: <br /> Land Condition Fractional Plant Product <br /> Total Factor* <br /> Impervious Area 0.35 0.1 0.10 <br /> Trees,Shrubs Groundcovers 0.15 0.5 0.08 <br /> Lawn(Cool Season) 0.35 0.8 0.28 <br /> Herbaciuos Perrenials 0.15 0.5 0.08 <br /> Composite 1 0.53 <br /> *PerTable lforapplicable landscape categories for impervious area <br /> assume nominal 0.05 to 0.10 to account for evotranspiration of rainfall <br /> retained on paved surfaces,gutters,etc. <br /> r/rfL Flfw Fasm(fR)rre0a"O.a t""a­01 *kvfv n 4 <br /> awe""-w"rYMFf.m Wh"Y.r1r"., -w C.a1F1do. <br /> r7.w TaF. YW Nwr <br /> V_FIwN[W�f <br /> 0.! <br /> !Y,Mbi O1afq <br /> /IaDYr.o�a otnYw 0,! <br /> O.Ful,1�lw.FfYiaF OJ <br /> r1N/AY1jliF 1i1MY.WOLfWt/p1IW OAY.Y <br /> h'KYF.YY.b11r7rF,r/.,arm <br /> aYM10/LlOIFFIirFa.YLwfFNM F�S.Y <br /> iIIO.YIOF.�.Y,.WpaanF.OJh/F) <br /> 0-F"GMF,pwo- 0,81 <br /> Owwr.Y[fFWA-wr_ 10 <br /> to"VF4rrltlt Can 101 <br /> ewaanaann {a>amlyrrwgraJiwr/gF <br /> a000M01pMwA <br /> 'Values do not apply to any plant production operations,such as nurseries,greenhouses,sod farms,or commercial farms. <br /> 1 Plant Factor shown is the annual average Kc value;monthly or seasonal Kc's may be available if more precision is desired. <br /> 3 Plant Factor does not apply to sports fields,golf greens or tees. <br /> `From UC reference;note plant factors are annual average values;additional refinement may be needed for seasonal crops. <br />