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Soil Suitability/Nitrate Loading Study Irerracon <br /> Vacant Commercial Property■ Stockton, California <br /> December 7, 2018 ■ Terracon Project No. NA187056 <br /> and Highway 99 to the west. The assumption was made that each building/cluster of buildings <br /> surrounding the site has one septic system. Using this method, we determined there are <br /> approximately 30 systems within '/4 mile north, east, and south of the site. Properties west of the <br /> Highway 99 are assumed to be connected to a municipal sanitary system. Refer to Section 1.3.5 <br /> for a history of septic permits in the site vicinity. <br /> 1.3.5 Septic Permit History in the Vicinity <br /> Online septic permits available on the EHD website were reviewed for properties adjacent to the <br /> site. The following table is a summary of adjacent property septic permits: <br /> Table 3. <br /> Summary of Adjoining Property Septic Permits. <br /> Leach Seepage <br /> Tank Size Leach Line Line Pits/Sumps/ <br /> Address Date Permit (Gallons) Quantity Length Filter Bed <br /> (Feet) (Quantity, <br /> Size) <br /> 4715 E. Foppiano Lane 2004 SR0040533 1,600 2 100 Two 25'x 36" <br /> dia.pits <br /> 4715 E. Foppiano Lane 2012 SR0064419 <br /> Perc Test <br /> 4715 E. Foppiano Lane 2014 SR0069531 2,000 septic 4 40 Four 25'x 48" <br /> 1,200 grease dia.pits <br /> 8100 N.St Rt 99 E.Fr 2003 SR0034238 1 40 (1)25'x 36"dia. <br /> Repair pit <br /> 4418 E.Gnekow Drive 198 80-737 1,600 2 40 (2)25'x 33"dia. <br /> pits <br /> 4418 E.Gnekow Drive 201 R0062480 1600 1 40 (2)2'x 20'x 12' <br /> Repair deep <br /> 4508 E.Gnekow Drive 1979 79-1097 1,200 2 85 <br /> (2)25'x 33"dia. <br /> pits <br /> 4540 E. Gnekow Drive 1978 78-306 1,800 2 85 <br /> (2)25'x 33"dia. <br /> pits <br /> Based on a review of the EHD permits, the septic systems in the area appear to utilize 40 to 85 <br /> foot long leach lines with 25 feet deep seepage pits. <br /> 1.3.6 Septic Repair Permit History in the Vicinity <br /> Based on a review of the adjoining property permits above (Table 3, Section 1.3.5), one septic <br /> repair permit was reported for an additional 40 foot long leach line with 25 foot deep seepage pit. <br /> An additional repair permit was reported as 2 feet deep by 20 feet long by 12 feet deep. Copies <br /> of the adjoining property permits are included in Appendix C. <br /> Responsive ■ Resourceful ■ Reliable 7 <br />