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lrerracon Soil Suitability / Nitrate Loading Study <br />Morada Produce — Ag Processing Building a Stockton, California <br />May 14, 2021 s Terracon Project No. NA217014 <br />1.3.3 Discussion of On-Site Septic Tank Installation and Repair <br />Based on a review of the permits, the site is developed with approximately four 2,000-gallon septic <br />tanks with 50 foot to 60 foot long leach lines with 25 foot deep seepage pits. Repairs include <br />additional 50 foot long leach lines with 25 foot deep seepage pits. The following septic system <br />information was provided by the client. <br />Table 3. <br />Building and Septic Design Information. <br />Septic <br />System <br />No. <br />Building Name/ID <br />Approximate <br />Building <br />Square <br />Footage <br />Year <br />Septic <br />System <br />Installed <br />Tank <br />Size <br />(Gallons) <br />Leach <br />Line <br />Quantity <br />Leach <br />Line <br />Length <br />(Feet) <br />Seepage <br />Pits <br />1 Northwest Restroom <br />260,000 ± <br />Unknown 2000, 2 40 Four 3' W x <br />25' D <br />2 South Restrooms 2003 (2) 2,000 5 50 Five 4' W x <br />25' D <br />3 Northeast Restrooms 71,000 ± 2009 2,000 2 40 Four 3W x ' <br />25' D <br />4 Proposed Ag Processing Building — <br />Southeast Restrooms 37,800 Pending - --- --- --- <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 GoogleEarth TM . 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 23 septic systems within 1.0 mile 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 />Table 4. <br />Summary of Adjoining Property Septic Permits. <br />Direction Address Permit # <br />(Year) Type Tank Size <br />(Gallons) <br />Leach <br />Line <br />Quantity <br />Leach <br />Line <br />Length <br />(Feet) <br />Seepage Pits <br />Width, Depth <br />(Feet) <br />North 750 N Jack Tone NF --- --- -- --- --- <br />North 1476 N. Jack Tone <br />SR0012128 <br />(1997) Install 1,200 2 40 (2) 3' W x 25' D <br />SR0078032 Addition Unknown 55 (1) 3.5' W x 25' D <br />Responsive • Resourceful • Reliable 6