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Soil Suitability and Nitrate Loading Study GEORGE PROPERTY 10196 South Priest Road, French Camp, California 1.0. INTRODUCTION AND PROPOSED DEVELOPMENT Advanced GeoEnvironmental, Inc. (AGE) has prepared this Soil Suitability and Nitrate Loading Study (Study) for the property located at 10196 South Priest Road, French Camp, 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. 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 locations of the percolation test hole, 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 Lathrop topographic map (7.5 Minute United States Geological Survey (USGS) Topographic Series, California). The site is located in the central portion of Section 15, Township 1 South, Range 6 East, Mount Diablo Base and Meridian (Figure 1). The map shows the property located at an elevation of approximately 20 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 southwest. The property is located on the east side of South Priest Road, approximately 200 feet north of the intersection of South Priest Road and East Galin Road, French Camp, California. The site consists of a 1.502-acre parcel identified as San Joaquin County Assessor Parcel Number (APN) 193-220-680. The property is currently vacant with no structures and there is no listed zoning or land use description with the parcel information. (Figure 2; Appendix A). 1.2. DESCRIPTION OF PROPOSED DEVELOPMENT The property is proposed to be developed with an approximately 2,900-square foot, four- bedroom residence and septic system in the western portion of the site. The septic system will consist of a 1,600-gallon septic tank and four 100-foot long leach lines. The new septic system is proposed to be installed in the central western area of the site, to the west of the planned residence, and will be connected to the proposed residence. The planned locations of the residence and septic system are depicted in Figure 2. Additionally, a