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770Depth the water table was measured by the sounding of the on-site domestic well. Since thef wastewater is anticipated to be very low from the project, Mounding Analyses of thele underlying the proposed disposal area was not calculated for this project. iance with EHD requirements,no testing was completed on the domestic well that serveseenre project. • The Nitrate Loading Calculations and wastewater disposal system operational parameters were formulated from the San Joaquin County Environmental Health Department Sewage Standards. hi summary,the soils testing and investigation has found the indigenous soils under the proposed disposal area, which is near the SWC of the subject area,to contain a predominately fine-grained sandy silt material with some clay. This soil has acceptable percolation and nitrate mitigation capabilities where the soil- effluent interface should occur at 3640 inches in depth. II. SOIL SUITABILITY STUDY FINDINGS A. SUBJECT PROPERTY AND SURROUNDING STUDY AREA INFORMATION SSS§ 1.1 Surrounding land use, particularly to the south, west and north of the project is, and has been, in agricultural production for many decades. New development within the City of Lathrop is occurring approximately three miles to the south, and is projected to proceed north along the west side of Interstate 5. As noted on the San Joaquin County Parcel Viewer Maps, the current surrounding land use is composed primarily of agricultural production land to the north, south and west. To the east is Interstate 5, the City of Lathrop, and commercial facilities, all of which are on decentralized wastewater management systems. The property is zoned I-W/S, (Warehouse Zone/Special Zoning). SSS§ 3_l,3.2,3.3,3.4, 3.5,3.6 Applications on microfiche file with the EHD reveal that there have been three permits issued for repairs/additions to existing systems within a one-half mile surrounding the project site. No septic system permits for the installation of the original on-site system for the Hayres Egg Ranch were found. Permits in this specific area of San Joaquin County would be few since surrounding land is sparsely developed. The project site has relatively level terrain; consequently, there will be no need to incorporate design considerations for slopes within the wastewater disposal area. Nor is there a dramatic elevational difference between the proposed Office Trailer and the disposal field area. B. SOIL PHYSICAL CHARACTERISTICS AND ANALYTICAL TEST RESULTS The United States Department of Agriculture - Soil Conservation Service(USDA-SCS) indicates the majority of the on-site soils to consist of a Manteca fine sandy loam (#196), with the extreme northeast comer of the property composed of Veritas fine sandy loam (#266). 2 Chesney Consulting