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i <br /> TABLE 9 <br /> PROJECTED SLUDGE AND EFFLUENT APPLICATION RATES <br /> City of Manteca <br /> Year <br /> Parameter Unit 1991 2000 <br /> Average Flows mgd 4.5 6.95 <br /> Available Land for Sludge Acres 210 210 <br /> Available Land for Effluent Acres 210+93 210+93 <br /> Sludge Production lbs/yr 1,369,845 2,115,650 <br /> Total Sludge Nitrogen lbs/yr 11,644 17,983 <br /> Unit Sludge Nitrogen lbs/ac/yr 55 86 <br /> Crop Nitrogen Uptake (a) lbs/ac/yr 600 600 <br /> Crop Nitrogen from Effluent (b) lbs/ac/yr 545 514 <br /> Total Nitrogen from Effluent lbs/yr 170,250 163,740 <br /> Effluent Required (c) MG/yr 817 785 <br /> Daily Effluent Flow to Land Disposal mgd 2.24 2.15 <br /> (Year-round equivalent) <br /> (a) See Table 4 for the crop nitrogen requirements. In this analysis, it is assumed that a <br /> combination of alfalfa, barley and corn yield an annual nitrogen uptake of 600 <br /> lbs/acre/year. <br /> (b) Assumed effluent total nitrogen concentration of 25 mg/L. <br /> (c) It is assumed that these nitrogen based hydraulic application rates meet crop irrigation <br /> requirements. <br />