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rl (§ 1.0) INTRODUCTION t1 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 Environmental Health Department (EHD), specifically: 1.) To determine if the two Parcels proposed to be a part of this subdivision are 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 will be 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 The purpose of this project is to subdivide an existing 40.37 acre Parcel, into two Parcels: a five-acre Homesite Parcel and a 35.37 Designated Remainder Parcel. A new single family residential (SFR) structure for the Chavez's is being constructed on the Designated Remainder, directly to the east of the existing Dutra home on the Homesite Parcel. The Homesite Parcel contains a septic system, domestic well, detached garage, a tennis court and almond orchard. The Remainder contains a barn, the Chavez's future residence,with the remaining acreage consisting of almond orchard. Each parcel area and orientations are denoted on the attached Tentative Map, found in Appendix A. At this time, there is no proposal to build any additional build' on the Designated Remainder, or a second unit dwelling on the Homesite Parcel. ( 3.7) It is possible EHD would support a second unit dwelling on the Homesite Parcel, and a Seco unit dwelling on the Remainder, for a total of four septic systems on the original Parcel comprising 40.37 acres. This is a density of one septic system per 10.1 acres,which can be considered a very low density. (1.1 and 2.1 The subject property is 4.5 miles west of Ripon, one-quarter mile north of West Ripon Road. Surrounding property use consists predominately of almond orchards, low density single family residences,pasture, dairies and other types of ag buildings. Current zoning is AG-40. yunicipal sewer will probably never serve this area, or at least not for several decades. (§ 4.2) Any of the above land use could create environmental concerns that may be discovered in the future. From the domestic water test results,nitrate impact from agricultural fertilization input has already occurred. As depicted on the attached USGS Map and the Tentative Map, the topography of the site is 32 feet above MSL. It is level ground with almond orchard making up most of the Homesite and Remainder Parcels. Therefore, septic system design criteria for slopes do not have to be considered. Page -1- Chesney Consulting