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Soil Suitability/ Nitrate Loading Study Irerracon <br /> Shipherd Property Ripon, California <br /> August 25, 2020 Terracon Project No. NA207060 <br /> Table 3. <br /> Summary of Adjoining Property Septic Permits. <br /> Leach Leach Filter Bed <br /> Permit# Tank Size Line <br /> Direction Address Type Line Width,Length, <br /> (Year) (Gallons) Length <br /> Quantity Depth(Feet) <br /> (Feet) <br /> North 23065 Murphy Road NF --- --- --- --- --- <br /> 15319 Install 800 1 50 --- <br /> East 16401 E.Milgeo Ave. (1963) <br /> SR0039235 Repair --- 1 80 --- <br /> (2004) <br /> South 16371 Spring Creek Rd SR00406009 Repair 1,800 2 40 --- <br /> (2004) <br /> SR0069854 Tank <br /> --- --- --- --- <br /> (2014) Destruction <br /> West 16343 E. Milgeo Ave. SR0073300(2015) Install 1,600 --- --- 20'x 48'x 1.5' <br /> SR0077921 Install 1,200 --- --- 12'x 20'x 1.5' <br /> (2017) <br /> NF—No septic permits found, LL—leach lines <br /> Based on a review of the permits, the septic systems in the area appear to utilize 40 to 80-foot <br /> long leach lines and/or filter beds. <br /> 1.3.6 Septic Repair Permit History in the Vicinity <br /> Septic repairs in the vicinity appear to be for the addition of leach lines. Copies of selected septic <br /> permits can be found in Appendix C of this report. <br /> 1.3.7 Expected On-Site Maximum Septic Tank Usage <br /> The total maximum daily septic tank usage for the site was calculated based on the EHD <br /> recommended daily use rate of 70 gallons per day (gpd) per bedroom multiplied by two people <br /> per bedroom. Refer to the table below for expected on-site maximum use rates. <br /> Table 4. <br /> Expected On-Site Maximum Septic Tank Usage <br /> Number of people per Average effluent Maximum Septic <br /> Residence Number of bedrooms bedroom quantity per person Tank Usage <br /> (gpd') (gpd") <br /> Existing 1 2 70 140 <br /> Proposed Modular 2 2 70 280 <br /> Total 420 <br /> Gallons per day(gpd) <br /> The maximum daily flow rate for the existing residence is 140 gpd. The proposed residence is <br /> anticipated to add 280 gpd for a combined total of 420 gpd. <br /> Responsive ■ Resourceful ■ Reliable 6 <br />