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I. INTRODUCTION This report issues my findings regarding the Nitrate Loading Study and Soil Suitability completed for the proposed Gurudwara Sahib Tracy Sikh Temple, located at 11700 West Clover Road in Tracy, California. These studies were required by the San Joaquin County Environmental Health Department(EHD) and comply with the San Joaquin County Development Title, specifically Section 9-1105.2(d). Mr. Paul Bagha, P.E. is the design engineer for this project and has provided the preliminary information to complete these studies. Within the text of this Report, Bolded Section (§)numbers are referenced at the beginning of,an applicable Paragraph(s), or Appendices that correspond with the EHD Requirements Checklist. Section Numbers referenced as SSS§, are sections applicable for the Soil Suitability Study Requirements Checklist. Section Numbers referenced as NLS§, are sections applicable for the Nitrate Loading Study Requirements Checklist. Other portions of text may also apply to other sections of the Checklists. The Sikh Temple ' oposed to be developed in two Phases. Consequently, them ate loading calculations wi deflect is development plan with loading calculations for Phase d loading calculations foQ3.1. e I NLS§ 2.3,SSS§ proposed Sikh Temple is to be located in what is referred to as the Larch-Clover area of Tracy. Since the City of Tracy sewer has not expanded to this area,the new Temple must operate with an on-site decentralized wastewater management system. An on-site septic system exists for a single family residential structure presently on the subject property and will serve Phase I of the project. Domestic water is proposed to be supplied by a new on-site public well to be drilled, although a private domestic well currently exists on the subject property. SSS§ 152. The project site is within the city limits of Tracy, approximately 1,500 ft east of the inters t' n of Clover Road and Corral Hollow Road. Currently, the subject property contains the aforementioned house, a garage, a well pump house and two small barns, as illustrated by the I,aerial EHD Parcel Viewer Maps. Total Parcel area is 2.29 acres. The purpose of these Studies was to collect the following information to fulfill the requirements of EHD. Wastewater system operational parameters are also preliminarily discussed within this report for additional information to EHD: • Analyze the capacity of the indigenous soils in the proposed disposal area to 1.)Accept the anticipated wastewater flows, 2.)Assess the characteristics of the soil to mitigate nitrate impact, and 3.) Quantify nitrate impact to the underlying groundwater table from percolating effluent andrelate impact to the Porter-Cologne Water Act. This was accomplished by the referenced testing,and physical/chemical analyses. • Conduct soil physical and chemical testing. Physical testing included percolation testing and particle size analysis of the soil characteristics underlying the proposed effluent disposal area. Chemical testing included analyses for the constituents that influence nitrate loading. 1 Chesney Consulting