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Soil Suitability and Nitrate Loading Study RAMIREZ PROPERTY 10330 East Eight Mile Road Stockton, California 95212 1.0. INTRODUCTION AND PROPOSED DEVELOPMENT AdvancedGeo, Inc. (AGI) has prepared this Soil Suitability and Nitrate Loading Study (Study) for the property located at 10330 East Eight Mile Road, Stockton, California (site or subject property). The purpose of this Study is to determine the potential impact from nitrate loading and the suitability of the subsurface for an onsite wastewater treatment system (OWTS) due to the proposed development of a residence and septic system at the site, and the future use of the property. The study was performed in accordance with the requirements of Section 9-1105.2(d) of the San Joaquin County Community Development Department (SJCCDD). The scope of work included a soil percolation test, review of published soil and groundwater information, local septic use and permit research and estimated nitrate impact to soil and groundwater at the site. The site and surrounding area are illustrated in Figure 1. A site plan depicting structures, the percolation test hole location, and the planned locations of the proposed residence and septic system are illustrated in Figure 2. 1.1. DESCRIPTION OF SITE The location of the site, surrounding properties and general setting is illustrated on the Waterloo topographic map (7.5 Minute United States Geological Survey (USGS) Topographic Series, California). The site is located in the northeastern portion of Section 03, Township 2 North, Range 7 East, Mount Diablo Base and Meridian (Figure 1). The map shows the property located at an elevation of approximately 55 to 60 feet above mean sea level in an area of low topographic relief. The regional slope of the area is relatively gentle and dips toward the west-southwest. The property is located near the intersection of Eight Mile Road and Highway 88. The site consists of a 0.460 -acre parcel identified as San Joaquin County Assessor Parcel Number (APN) 089-020-230. The property is currently undeveloped, and the zoning is listed as AG -40 (Appendix A; Figure 2). 1.2. DESCRIPTION OF PROPOSED DEVELOPMENT The proposed development will include the addition of an approximately 3,000 square foot, three (3) bedroom residence and a septic system. The proposed septic system will be located in the southwestern portion of the property, to the southwest of the proposed residence and will be connected to the new residence. The planned locations of the residence and new septic system are depicted in Figure 2. No additional development is proposed for the property.