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t � i (§ 1.0) INTRODUCTION FT�hisSuitability 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), as specified in their directive for Conditions of Approval, dated October 11, 2005. This document is found in Appendix A. Analysis and recommendations have been provided in this report based upon the environmental criteria encountered. My report is in compliance with the requirements for a Soil Suitability Study under Development Title, Section 9-1105.2 Item (d). 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, 3.7) The purpose of this project was a Lot Line Adjustment, completed by Mike Quartaroli, P.L.S. of Quartaroli and Associates. A new single family residential structure has been built on proposed Parcel 1 as depicted on the Tentative Lot Line Adjustment Map, found in Appendix A. A second unit dwelling cannot be built on this Parcel due to area constraints. The septic system to serve the residence has been partially installed, and the domestic well has been drilled. (§2.1) As stated in the EHD Conditions for Approval directive, this Soil Suitability Study was required"due to potential high groundwater and proximity to the rivers, EHD requires a Soil Suitability Study indicating that the area is suitable for septic tank usage." (§ 1.1 and 2.1) The subject property is 3 miles north of City of Tracy. Surrounding property use consists predominately of agricultural production land, The Old River and the Tracy Wildlife Association. Housing is extremely low density. Current zoning is AG-80. Municipal 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. However, environmental concerns would primarily be from the over-application of nitrogen fertilizers. (§ 3.1,3.2, 3.3) As referenced, the septic system that will serve the new residence has been partially installed. Therefore, Sections §3.1, 3.2 and 3.3 are not applicable. The tight line from the house to the septic tank is in-place. The leachline trenches have been excavated and washed drain rock placed in the trenches. Perforated drain pipe has not been connected as of the date of the percolation testing. (§ 3.4,3.5,3.6) Microfiche records were examined at EHD for information on existing septic tank usage in the general area, along with septic permit history. The only permits found on Finck Road were an irrigation well permit and a domestic well permit. These are found.in Appendix C. Page -1- Chesney Consulting