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Soil Suitability/ Nitrate Loading Study Irerracon <br /> Buddhist Temple Proposed Dormitory - Stockton, California <br /> July 11, 2019 ■ Terracon Project No. NA177056 <br /> Water Use 2010 Data, average daily domestic use per capita was estimated at 69-gallons per <br /> day. The EHD recommends a residential use rate of 70-gallons per person/day with an average <br /> occupancy of two persons per bedroom. <br /> In accordance with the San Joaquin County Onsite Wastewater Treatment System Standards <br /> (OWTS)dated January 2017, Table 6.6-Water Use Computation table,the following average daily <br /> flow rates have been selected to calculate the wastewater flows for the assembly hall and visitors: <br /> Churches— no kitchen, 5 gallons per person (similar to the assembly hall) (page 21 of 40) <br /> The rates presented from the references provide general guidance but do not always reflect a <br /> match in usage. Should any of the above information provided to our office change or is inconsistent <br /> with what is stated, our office shall be contacted to make any necessary modifications to our <br /> calculations. Examination and professional judgement, and experience shall be used when selecting <br /> a reasonable flowrate. <br /> Table 9. <br /> Typical Quantity of Effluent. <br /> Estimated AverageNo. <br /> Septic Residential/ Quantity <br /> No.of Days Maximum Daily Average Daily Flow <br /> System Building People Per Commercial Per Per Flow(gpd) (gpd) <br /> Number Day Use Person Year <br /> (gal) <br /> 5 bedrooms x 1 <br /> Existing 5 5 bedrooms x 1 person x 70 gallons <br /> 1 Bedroom 5 R 70 365 person x 70 x 365 days/365 <br /> Residence gallons=350 days per year=350 <br /> d <br /> Assembly 5 people x 5 gallons <br /> Hall Daily 5 C 5 365 5 people x 5 x 365 days/365 <br /> Visitors gallons=25 days per year=25 <br /> gpd <br /> 15 people x 5 <br /> 7 Full Moon 15 C 5 7 15 people x 5 gallons x 7 days/ <br /> Events gallons =75 365 days per year= <br /> 1.4gpd <br /> 333 people x 5 <br /> 2 April—Asian <br /> New Year 333 C 5 3 333 people x 5 gallons x 3 days/ <br /> Event gallons= 1,665 365 days per year= <br /> 13.7 gpd <br /> 5 Full Moon <br /> Events(July, 150 people x 5 <br /> August, 150 C 5 5 150 people x 5 gallons x 5 days/ <br /> October gallons=750 365 days per year= <br /> November, 10.3 gpd <br /> December) <br /> Proposed 12 12 bedrooms x 1 12 bedrooms x 1 <br /> 3 Bedroom 12 R 70 365 person x 70 person x 70 gallons <br /> Dormitory gallons=840 x 365 days per year <br /> /365 days=840 gpd <br /> 'Note: Residences calculated at one person per bedroom <br /> The long term average daily wastewater flows for each septic system are listed as follows: <br /> • Septic System No. 1 - Existing 5 Bedroom Residence = 350 gpd <br /> Responsive'■ Resourceful ■Reliable 17 <br />