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LIVE OAK GEO ENVIRONMENTAL, INC. <br /> 407 W. Oak St., Lodi, CA 95240 •:• (209)369-0375 ❖ logelodi.com <br /> March 10, 2020 IF RECEIVED <br /> Project Number: 1946 <br /> MAR 112020 <br /> Michael Kith, Lead REHS ENVIRONMENTAL HMTH <br /> San Joaquin County Environmental Health Department DEPARTMENT <br /> 1868 E. Hazelton Ave. <br /> Stockton, CA 95205 <br /> Regarding: Addendum to Nitrate Loading Study <br /> Cain Property <br /> 7555 S. Country Rd., Stockton, CA <br /> Original report dated November 20, 2019 <br /> Mr. Kith: <br /> We spoke in your office on March 4 regarding changes to the nitrate loading <br /> calculation. At this time, you indicated that the San Joaquin County Environmental <br /> Health Department, in consultation with Norm Hantzsche, now recommends that <br /> residential wastewater generation (per house) be calculated as 100 gallons per day <br /> (gpd) for the first bedroom and 50 gpd for each additional bedroom. As a result, we <br /> have prepared this addendum to the above Nitrate Loading Study, adjusting the <br /> calculation to utilize the new method. <br /> As indicated in the original report, the existing house has three bedrooms, and the <br /> proposed new house will have three bedrooms. Using the new method to calculate <br /> wastewater flow, each house contributes 200 gpd, for a total wastewater flow of 400 <br /> gpd. <br /> For the new calculation, all other variables have been retained as they were on the date <br /> of the original report. <br /> The inputs and results of the revised calculation are as follows: <br /> Environmental Engineering Geology Geophysics <br />