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r I, INTRODUCTION This report issues my findings regarding the Nitrate Loading Study, Soil Suitability Study and wastewater disposal operational parameters for the proposed Harney Lane Winery. These studies are 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. Kyle Lerner is the Proprietor of the proposed winery, and the developer of this project. Mr. Lemer has provided the preliminary information to complete these Studies. Since the City of Lodi sewer and water will probably not reach the subject property for several decades, the site improvements will operate with the on-site domestic/irrigation well that serves an existing residence, and will serve the future winery. This well is also used to irrigation the surrounding 402 acre wine grape vineyard. There is an existing septic system that served two farm labor mobile homes which have subsequently been removed. From the septic system schematic found in Appendix E, the system apparently consists of a 1,600 gallon septic tank, and four seepage pits. There appears to be one leachline Ieading to one of these seepage pits associated with this septic system. SSS§ 1.2. Total Parcel area is 40.0 acres. The project site is north of the city limits of Lodi, approximately one-quarter mile east of Alpine Road. The vast majority of land use around the t property has been in agricultural production, as illustrated on the San Joaquin Parcel Viewer Map. It is proposed to improve the subject property with a small winery, commonly referred to as a "boutique winery." Construction will be "phased," with Phase 1 being a winery building, Phase 2 being the wine tasting room and phase 3 being another winery building. These improvements are illustrated on the Site Plan produced by Mr. Doug Banks, found in Appendix A. The purpose of these Studies was to collect the following information to fulfill EHD requirements and discuss septic system operational parameters to facilitate the transfer of information to EHD: • 1.) Analyze the capacity of the indigenous soils in the existing disposal area to accept the anticipated wastewater flows, and determine the feasability of using the existing wastewater disposal system that had served two farm labor mobile homes to now serve the new phased winery. 2.) Assess the characteristics of the soil to mitigate nitrate impact, and 3.) Discuss septic system operational parameters to achieve the two goals of proper wastewater management and nitrate loading mitigation. This was accomplished by the referenced testing, physical/chemical analyses and operational parameters incorporated into the wastewater disposal system. • Chemical Analysis and Mounding Analyses of the water table underlying the disposal area were not conducted because the water table is approximately 85 feet below grade. Chemical analysis of the on-site well water to be used for the winery was conducted. • The required 100% reserve/replacement area can easily be situated south of the primary disposal area in proximity to the vineyard. 1 Chesney Consulting