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v <br /> Shadow Lakes Mobilehome Park,LLC <br /> 5100 N. Hwy 99 <br /> Stockton, CA 95212 <br /> January 18, 2014 <br /> Brendan Kelly <br /> Central Valley Regional <br /> Water Quality Control Board <br /> 11020 Sun Center Drive#200 <br /> Rancho Cordova, CA 95670-6114 <br /> SHADOW LAKES WWTP ANNUAL REPORT FOR 2013 <br /> The attached report represents the annual report for the Shadow Lakes wastewater facility. <br /> Average annual daily flow for the year indicated 37,945 gallons per day;total flow for the year was <br /> 13,850,520 gallons. <br /> During the year 221,150 gallons of sludge was removed from the plant. All waste sludge was aerobically <br /> digested and decanted to reduce volume. All sludge removed is taken to the City of Stockton Regional <br /> Wastewater Control Facility. All waste sludge hauling was performed by Richards Pumping of Stockton. <br /> The annual groundwater report will be submitted under a separate cover. <br /> Discussion <br /> Influent Monitoring <br /> All influent monitoring data was completed and reported on monthly reports. Average monthly BOD was <br /> 420 mg/L. Average monthly influent TSS was 421 mg/L. <br /> Effluent Monitoring <br /> All effluent monitoring was completed and reported. <br /> BOD Biochemical Oxygen Demand (BOD)averaged 1.5.2 mg/L over the year. All 30-day monthly <br /> concentrations were within discharge limitations, except for Apr(50.9 mg/L)and May(41.1 <br /> mg/L). No exceedence of the Daily Max concentrations occurred. <br /> TSS Total Suspended Solis is not a required monitoring parameter, however we use it for a quality <br /> control check on effluent quality. TSS annual monthly average was 15.4 mg/L for the year <br /> with the highest monthly average of 66 mg/L. <br /> SS Settleable Solids averaged slightly above non-detect for the year. Highest monthly value was <br /> 1.1 MUL in the month of April. <br /> TDS Total Dissolved Solids averaged 321 mg/L for the year. <br /> 1 <br />