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I. INTRODUCTION Valley Ag Research has been retained by the Calvary Bible Church of Lodi, CA to conduct a Nitrate Loading Study and Soil Suitability Study as required by the San Joaquin County Department of Environmental Health (PHS-EHD). Mr. Larry Wenell, AIA, of the Architectural firm of Wenell, Mattheis and Bowe is the Architect for the project and has provided the necessary preliminary information to complete these studies. This information includes the site plan, anticipated number of parishioners over the next five years and plumbing fixtures. It is proposed to establish the Church in three phases over the next 5+years. The site is located on the West Highway 99 Frontage Road, directly north of the Mokelumne River. The property address is 18621 North State Route 99 West and the APN is 013-220-35 and comprised of 32.5 acres. The actual Church site will occupy approximately 15 of the 32.5 acres. The reporting requirements for these studies comply with the San Joaquin County Development Title, specifically Section 9-1105.2(d). The purpose of this report is threefold: First, the proposed Church site has been evaluated for the installation of a conventional septic system through the findings of the Soil Suitability Study. Secondly, the project has been assessed for nitrate impact to the environment originating from the on-site waste disposal system. And third, this report specifies a conventional septic system _ which has been designed to mitigate environmental impact and promote groundwater protection based on contemporary scientific studies. II. SOIL SUITABILITY STUDY FINDINGS A. SUBJECT PROPERTY AND SURROUNDING STUDY AREA INFORMATION The actual land proposed for the Church facility was formally a cherry orchard. The remaining acreage of the subject property is an existing vineyard. There is a single family residence on the property near the Frontage Road. The surrounding land use is comparatively diversified; _ however, the majority of land use is for agricultural production, along with low density housing. There are commercial and industrial facilities as well as trailer parks, campgrounds and other recreational facilities in the study area. Applications on file with the Environmental Health Department reveal twelve permits have been issued for repairs/additions to existing systems in the one-half mile study area. Twelve permits in this study area can be considered excessive, considering the relatively sandy soil. Explanations for these repairs may be that installed systems were under-designed or placed in clay/hardpan strata. Copies of these permits will remain in our files for review, if needed. 1 Valley Ag PPsearch