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(§ 1.0) INTRODUCTION This Soil Suitability Study presents the results of my investigation concerning the soil characteristics and groundwater under the subject property referenced on the Title Page. It was completed to satisfy the requirements of the San Joaquin County Environmental Health Department (EHD), specifically: 1.) To create a proposed Finance Homesite Parcel from this subdivision and to determine if the soil underlying the proposed Finance Parcel is acceptable for the proper operation of a septic system which will function as intended for its anticipated lifespan, and 2.) Provide analysis and recommendations based upon the environmental criteria encountered in this study. This report is in compliance with the requirements for a Soil Suitability Study under Development Title Section 9-1105.2 Item (d) of the San Joaquin County Ordinance Codes. Within the text of this Report, bolded Section (§) numbers are referenced at the beginning of an applicable sentence, paragraph or paragraphs, or Appendices that correspond with the EHD Requirements Checklist for a Soil Suitability Study. (§ 2.0) SUBJECT SITE AND STUDY AREA BACKGROUND INFORMATION (§ 1.1, 1.2, 2.1) The purpose of this project is to subdivide an existing 13.28 acre Parcel, into f�zS two Parcels denoted as Parcel 1, which is to be 3.00 acres net (3.47 acres gross) as the Finance `. Homesite Parcel, and a Designated Remainder, which is to be 9.76 net acres (9.81 acres gross). r f There is a total of six structures on proposed Parcel 1, and no structures the Remainder Parcel as ( J illustrated on the Tentative Map found in Appendix A. The main residential structure is the �'� original Jack Tone residence built in 1849. The other five structures include a guest house a small g wooden building, a tank house, a shop and a tack barn. Individual septic systems serve the main structure and the guest house, while a single domestic well serves both residential structures. The north portion of Parcel 1 and the entire Designated Remainder is planted in cherry trees. There is an irrigation well near the center of the south property line, between the east and west property lines that provides irrigation water to the trees. (§ 3.7) Parcel orientation is denoted on the Tentative Map, produced by the engineering firm of Sanguinetti & Associates. Any building to be built in the future on the proposed Designated Remainder Parcel will have to observe all EHD requirements, which would include a pert test in the location of a proposed building. The primary house with the exiting second unit guest house dwelling, and primary and secondary structures on the Designated Remainder Parcel would give a total of four septic systems on the subject property comprising approximately 13.3 acres. This is a density of one septic system per 3.3 acres, which can be considered a medium density. Nitrogen fertilization, and mineralization from organic matter decomposition occurring in the surrounding cherry orchard would constitute a greater nitrogen input than from four septic systems on the property. (§ 1.1 and 2.1) The subject property is approximately ten miles northeast of the city of Stockton. rr Surrounding property use consists predominately of agricultural production land, extremely low density single family homes, ranchettes, horse boarding and ag buildings. Current zoning is AG 40, which will not change. This subdivision is allowable due to the historic status of the property. Municipal sewer will probably never serve this area, at least not for several decades. Page -1- Chesney Consulting