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APPLIED WASTEWATER ■ SEPTIC SYSTEM DESIGN <br /> ■ ENVIRONMENTAL CONSULTING <br /> SOLUTIONS., INC. ■ WASTEWATER COMPLIANCE <br /> ■ LAND DEVELOPMENT <br /> Nitrate Loading Study <br /> Proposed OWTS <br /> Date: April 16, 2019 (revised) <br /> Job No.: SJB 180106 <br /> APN: 086-680-210 <br /> Address: 5559 Black Oak Drive, Stockton <br /> Owner: Elite Lender, LLC <br /> 5466 Quashnick Road <br /> Stockton, CA 95212 <br /> Proposed use: New construction of a 5 bedroom home <br /> Parcel size: 44867+/-sfl <br /> A. Chemical and Physical Properties of the Site Soils <br /> The soils located on the subject site are representative of the Vignolo Series'and are described as follows: <br /> The Vignolo series consists of moderately deep to hardpan, moderately well drained soils formed in mixed alluvium.Vignolo <br /> soils are on low fan terraces. Slope is 0 to 2 percent.The mean annual precipitation is 14 inches and the mean annual <br /> temperature is 60 degrees F. <br /> TAXONOMIC CLASS:Fine-silty,mixed,superactive,thermic Haplic Durixerolls <br /> TYPICAL PEDON:Vignolo silty clay loam-on a nearly level slope of less than 1 percent under cultivated kidney beans at an elevation of <br /> 45 feet.(Colors are for dry soil unless otherwise stated.When described on October 9, 1980,the soil was moist throughout). <br /> Ap--O to 4 inches;brown(10YR 5/3)silty clay loam,very dark grayish brown(10YR 3/2)moist;moderate medium angular blocky <br /> structure;hard,friable,sticky and plastic;few very fine and fine roots;few very fine interstitial pores;slightly alkaline(pH 7.5);clear <br /> smooth boundary.(2 to 6 inches thick) <br /> A--4 to 14 inches;dark grayish brown(10YR 4/2)silty clay loam,very dark grayish brown(10YR 3/2)moist;moderate medium angular <br /> blocky structure;hard,friable,sticky and plastic;common very fine roots;few very fine tubular pores;slightly alkaline(pH 7.5)clear <br /> smooth boundary.(5 to 10 inches thick) <br /> Bw--14 to 18 inches;brown(10YR 5/3)clay loam,dark brown(10YR 3/3)moist;many fine very dark gray(10YR 3/1)manganese stains; <br /> moderate medium angular blocky structure;hard,friable,sticky and plastic;few very fine roots;few very fine tubular pores;slightly <br /> alkaline(pH 7.5)clear wavy boundary.(4 to 10 inches thick) <br /> Bk--18 to 30 inches;variegated brown(10YR 5/3)and pale brown(10YR 6/3)clay loam,dark brown(10YR 3/3)and brown(10YR 4/3) <br /> moist;many fine very dark gray(10YR 3/1)manganese stains;moderate medium angular blocky structure;hard,friable,sticky and <br /> 1 SICEHD staff,2019 <br /> z UC Davis/NRCS,www.casoilresource.lawr.ucdavis.edu <br /> MOUNTAIN OFFICE CORPORATE OFFICE EAST BAY OFFICE <br /> Arnold,CA Post Office Box 1137 Livermore,CA <br /> SJB CONSULTING GROUP 209.795.0201 Jackson,CA 95642 925.997.7470 <br /> 209.223.0201 <br /> www.sjbconsulting.net <br />