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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 rainfal <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 <br />5. Actual ET adjustment based on the site specific landscape/plant cover (fractional multiplier); see below fc <br />6. Net rainfall recharge (" deep percolation") equal to Availbale precip (3) minus Actual ET (5); Negative valu <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 Wa <br />b.Site Development Conditions: <br />Land Condition <br />Fractional <br />Total <br />Plant <br />Factor* <br />Product <br />Impervious Area <br />0.8 <br />0.1 <br />0.08 <br />Trees, Shrubs Groundcovers <br />0.1 <br />0.5 <br />0.05 <br />Lawn (Cool Season) <br />0.1 <br />0.8 1 <br />0.08 <br />Herbaciuos Perrenials <br />0 <br />0.5 <br />0.00 <br />Composite <br />1 <br />fbermuda. zo.sia St. Augustine, buffalo) <br />0.21 <br />*Per Table )for 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 1. Plant Factors (PF) for established landscape plants, turfgrasses, <br />and garden craps to provide acceptable performance In Californlat. <br />Plant Type <br />Plant Factor <br />Tree, Shrubs. vines, Groundcoaers <br />Q.5 <br />(woody plants) <br />Herbaceous Perennials <br />0.5 <br />Desert adapted Plants <br />0.3 <br />annual Flowers & Bedding Plants <br />0.8 <br />General Turfgrass Lawns, cool -season {tall <br />0.8 z s <br />fescue. 8.:. bluegrass. ne. bent) <br />General Turfgrass Lawns. warm -season <br />0.5 a <br />fbermuda. zo.sia St. Augustine, buffalo) <br />Home Fruit Crops, Deciduous <br />0.8 2 <br />Home Fruit Crops. Erergfeen <br />1.0 <br />Home Vegetable Crops <br />1.02 <br />Faf1hp,7 nChg'sthatorthepantrite <br />Owed Plantings <br />n*exert i;Y.*, lie hid.^.cst PF <br />1 Values do not apply to any plant production operations, such as nurseries, greenhouses, sod farms, <br />Z Plant Factor shown is the annual average Kc value; monthly or seasonal Kc's maybe available if moi <br />3 Plant Factor does not apply to sports fields, golf greens or tees. <br />4 From UC reference; note plant factors are annual average values; additional refinement may be nei <br />