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Soil Suitability/ Nitrate Loading Study Irerracan <br /> Shipherd Property Ripon, California <br /> August 25, 2020 Terracon Project No. NA207060 <br /> 1.3 Existing and Proposed Septic Tank Usage <br /> 1.3.1 Existing On-Site Septic Tank Usage <br /> Based on information provided by the owner, the existing onsite residence is currently developed <br /> with one septic system. <br /> 1.3.2 Site Specific Permit History <br /> Terracon searched the EHD Public Records website and the following EHD permits associated <br /> with the site address were identified. <br /> Table 2. <br /> Summary of Site-Specific Permits. <br /> Leach <br /> Permit# Type/ Tank Size Leach Line Line Seepage Pits, <br /> Parcel Addresses (Year) Location (Gallons) Quantity Length Sumps,Filter <br /> Beds,Other <br /> (Feet) <br /> 79-1074 New Well <br /> (1979) <br /> 16375 E. Milgeo Avenue SR0078954 Septic 1 80 <br /> Repair <br /> W P0037916 New Well --- --- --- --- <br /> There were no septic installation permits available for the site address. <br /> 1.3.3 Discussion of On-Site Septic Tank Repair <br /> One septic repair permit for a leach line addition was available for the site address. <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 agricultural land and rural residences. The assumption was made that each <br /> building/cluster of buildings has one septic system. Using this method, we determined there are <br /> approximately 30 septic systems within 0.10 miles of the site. <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 /> Responsive ■ Resourceful ■ Reliable 5 <br />