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Soil Suitability/ Nitrate Loading Study Irerracon <br /> Pickens Property ■ Tracy, California <br /> May 12, 2020 ■Terracon Project No. NA207032 <br /> 1 .3.5 Septic Permit History in the Vicinity <br /> Terracon searched the EHD Public Records website for the adjoining property septic permits. The <br /> following table is a summary of septic permits available for the adjacent and nearby properties: <br /> Table 3. <br /> Summary of Adjoining Property Septic Permits. <br /> Leach Leach #Seepage <br /> Permit#/ Tank Size Line Pits/Sumps, <br /> Direction Address Year Type (Gallons) Line Length Width,Length, <br /> Quantity (Feet) Depth(Feet) <br /> North None NF --- --- --- --- --- <br /> East None NF --- --- --- --- --- <br /> 84-996 Septic Install 1,200 3 90 --- <br /> 32951 S.Chrisman (1984) <br /> SR0004182 Repair --- --- 100 One 25'deep pit <br /> (1994) <br /> South 20550 Septic Install 800 1 60 One 3.5'x25'pit <br /> (1966) <br /> ------- --------- --- ------- ------ ---------- <br /> 33247 S.Chrisman 71-985 Repair --- 1 100 --- <br /> (1971) <br /> -- - — -------- ----- ------- <br /> SR008930 Rep air --- 1 40 One 2'x12'x10' <br /> (1996) sump <br /> 87-2633 Two 4'x10'x10' <br /> (1987) Septic 1,600 2 80 sumps <br /> West 32989 S.Chrisman ----- -- — - ----- --- --- ---- <br /> SR0023957 <br /> Repair Tank repair --- --- --- <br /> (2000) <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 100-foot <br /> long leach lines with 25 foot deep seepage pits and/or 10 foot deep sumps at the end of each <br /> leach line. <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 with 25 foot deep seepage <br /> pits and/or sumps. Copies of selected septic 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 /> Responsive ■ Resourceful ■ Reliable 6 <br />