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Soil Suitability/ Nitrate Loading Study <br /> Thor Property a Stockton, CA Irerracon <br /> July 19, 2018 a Terracon Project No. NA187029 <br /> 1.3 Existing and Proposed Septic Tank Usage <br /> 1.3.1 Existing On-Site Septic Tank Usage <br /> Terracon performed a search of the EHD website for records pertaining to septic permits, <br /> however, there were no documents found for the site address. <br /> 1.3.2 Site Specific Permit History <br /> There were no site specific permits found. <br /> 1.3.3 Discussion of On-Site Septic Tank Repair <br /> There were no site repair permits found. <br /> 1.3.4 Existing Septic Tank Usage in the Vicinity <br /> In an attempt to determine the septic system density for the vicinity of the site, our office reviewed <br /> a recent aerial photograph of the property available from GoogleEarthTM. The vicinity of the site <br /> consists of vacant land and residences. The assumption was made that each building/cluster of <br /> buildings has one septic system. Using this method, we determined there are approximately <br /> twelve septic systems within 0.5 miles of the site. Refer to Section 1.3.5 for a history of septic <br /> permits in the site vicinity. <br /> 1.3.5 Septic Permit History in the Vicinity <br /> The following table is a summary of septic permits available on the EHD website for properties <br /> adjacent to the site: <br /> Table 1. <br /> Summary of Adjoining Property Septic Permits. <br /> Leach Leach Seepage <br /> Address Date Permit# Type Tank Size Line Line Pits/Sumps <br /> (Gallons) Quantity Length (Quantity, <br /> (Feet) Size) <br /> 3409 Section 1996 SR0009069 septic <br /> --- --- --- --- <br /> Ave destruction <br /> 3421 Section 1953 4723 leach line --- 1 50' --- <br /> Ave addition <br /> 3421 Section 1971 71-893 sump --- 4'x6'x12' <br /> Ave addition <br /> 3509 Section 1999 SR0029371 New install --- 2 85' (2) 3'x25' <br /> Ave <br /> Responsive ■ Resourceful ■ Reliable 5 <br />