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Nitrate Loading 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 ETD 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 <br /> Total Factor" Product <br /> Impervious Area 0.32 0.1 0.10 <br /> Trees,Shrubs Groundcovers 0.68 0.5 0.34 <br /> Lawn(Cool Season) 0 0.8 0.00 <br /> Herbaciuos Perrenials 0 0.5 0.00 <br /> Composite 1 0,44 <br /> 'Per Table 1for applicable 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 /> Table L Plant Factors(PF)far established landscape plants,turfOresses, <br /> and garden crops to pmvwe acceptable perronoarrte in cariferniat. <br /> Plant TV" Plant Factor <br /> Tree,Skuba,Wert.Groualcovers <br /> 0.5 <br /> I.-My Pulls: <br /> Herbaceous Pnennala 0,5 <br /> Desert adapted Porte 0,3 <br /> ar-ai Flower&eed&g Plant. 0.8 <br /> Gmentl Tur(Orare t aw,t.cool-w3son(tot �a.a <br /> fescue,KT.blueyam rye,bera) <br /> Gmaal Ulu...I.—,wum-season o-y za <br /> {bermuoa,:oasis.St,au0c bn..b.1f lo) <br /> Home FrA crops.Dab... 0.62 <br /> Helen FnAEcfapa,EVOWM 1.0 <br /> Home Veperable^JD" "2 <br /> hexed p!arerps frrckra®fa,F feuu/uerear97e <br /> rarat M.Me.t'pteGPF <br /> I Values do not apply to any plant production operations,such as nurseries,greenhouses,sod farms,or commercial farms. <br /> z 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 /> a From UC reference;note plant factors are annual average values;additional refinement may be needed for seasonal crops. <br />