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Soil Suitability /Nitrate Loading Study Irerracon <br />JPM ® Lathrop, California <br />May 24, 2022 r, Terracon Project No. NA227026 <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. There are approximately <br />10 septic systems within 0.5 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 />Table 3. <br />Summary of Adjoining Property Septic Permits. <br />Direction <br />Address <br />Permit # <br />(Year) <br />Septic <br />Permit Type <br />Tank Size <br />(Gallons) <br />Leach <br />Line <br />Quantity <br />Leach <br />Line <br />Length <br />(Feet) <br />Fiker Bed <br />Width, Length, <br />Depth (Feet) <br />North <br />1301 Frewert Road <br />SR0036064 <br />(2003) <br />Perc test <br />— <br />— <br />— <br />— <br />East <br />1370 Frewert Road <br />SR0022350 <br />(2000) <br />New install <br />1,600 <br />2 <br />80 <br />— <br />SR0040730 <br />(2004) <br />New install <br />1,200 <br />— <br />— <br />15' x 60' x 3.5' <br />1380 Frewert Road <br />NF <br />— <br />— <br />— <br />— <br />— <br />1388 Frewert Road <br />NF <br />— <br />— <br />— <br />— <br />— <br />1357 De Lima Road <br />NF <br />— <br />— <br />— <br />— <br />— <br />South <br />13150 Roberts Road <br />NF <br />— <br />— <br />— <br />— <br />— <br />76-236 <br />(1976) <br />Repair <br />— <br />1 <br />80 <br />— <br />85-421 <br />(1985) <br />New install <br />1,200 <br />10' x 42' x <br />unknown depth' <br />85-970 <br />(1985) <br />New install <br />1,200 <br />— <br />— <br />15' x 80'x <br />unknown depth' <br />West <br />1690 Frewert Road <br />89-879 <br />(1989) <br />Destruction <br />1,200 <br />1 <br />80 <br />— <br />SR0031086 <br />(2002) <br />Repair <br />— <br />NF – No septic permits found, <br />Based on a review of the permits, the septic systems in the area appear to utilize 80 -foot long <br />leach lines and/or filter beds. <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. Copies of selected septic <br />permits can be found in Appendix C of this report. <br />Responsive ■ Resourceful ■ Reliable <br />