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Frcharac NTRODUCTION oil Suitability Study presents the results of my investigation concerning the soil teristics and groundwater under the subject property referenced on the Title Page. This was completed to satisfy the requirements of the San Joaquin County Environmental Health Department(EHD). The project is to consist of 11 parcels as depicted on the attached Tentative Map. It is my understanding that prospective lessees may lease a two-acre area in each of the I 1 parcels for a homesite. The remaining acreage surrounding this two-acre homesite area around each parcel will continue to be farmed by the lessors, Mr. Ed Machado and Mr. Frank Borges. The EHD is specifically concerned with the following regarding this project: 1.) To determine if the proposed eleven parcels and particularly the homesite areas 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, particularly with regard to the soil studies and nitrate loading potential. 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. Additional Conditions for Approval are stipulated in the December 8, 2004 EHD Memorandum to the San Joaquin County Community Development Department, as referenced below. There is one domestic well and one non-operational diesel-powered irrigation well on the subject property. Consequently, only well water from the domestic well was sampled for the two constituents typically sampled and tested for EHD requirements, namely nitrate and the agrichemicals DBCP/EDB. II. SUBJECT SITE AND STUDY AREA BACKGROUND INFORMATION The subject property is south of the City of Tracy, between MacArthur Drive and Chrisman Road. The project as proposed by the owners, the Machado Trust and Mr. Frank Borges, is to create 11 Parcels from an existing 444 acres of land. As referenced, the lessee of each parcel may construct a single family residential (SFR) structure on two acres of the respective parcel, along with a septic system and domestic well. It i§-possible EHD would support second unit dwellin son the proposed parcels. Septic systems and wells for each Parcel must be installed under EHD permit and inspection. The California Aqueduct is located to the south of the subject property. The Delta Mendota Canal runs through the southern end of the project, specifically parcels 1, 2 and 3. The Banta-Carbona Irrigation District (BCID) Canal traverses east to west through the project and creates a right-of-way through proposed parcels 5, 5, 7 and 11. BCID water is used for irrigation of the property. An irrigation tailwater pond is located in the extreme northeast corner of the property. Page -2- Chesney Consulting