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Y [1] INTRODUCTION *r2This Soil Suitability Study and Nitrate Impact Investigation presents the results of our research concerning the soil strata and groundwater under the above-referenced property. The subject property is located at 23100 South Kasson Road in Banta CA, approximately 3 miles northeast of the City of Tracy. Our study was done for two specific reasons: First,to determine if this property can support the existing septic system which serves the Wendlend Trucking Company. Secondly, our study addresses the current nitrate concentrations found in the on-site well and the water table. The General Plan Amendment does not support the current land use for the zoning designation; therefore, the zoning must be changed. Consequently, it was a requirement of the San Joaquin County Environmental Health Department to further investigate the current land use and determine existing nitrate concentrations, the suitability of the soil to accept wastewater effluent and groundwater conditions. 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. [2] SUBJECT SITE AND STUDY AREA BACKGROUND INFORMATION The subject site is near the northwest intersection of the southbound offramp of Interstate 5 and South Kasson Road. As denoted on the attached Plot Map and APN Map,the property consists of two parcels. Wendland Trucking Company currently occupies APN 230-060-04. There is a CFN Refueling Station southwest of Wendlend which has a chemical toilet for septic. Parcel 230-060-05 is open, vacant land. The property has been owned by the same family for over 25 years. The topography of the site is flat. The existing septic system extends from the north side of the main building to an open area to the northeast. No septic system permit for this system was found in the Environmental Health Department microfiche files. Therefore, the exact construction details are unknown. Surrounding land use consists of the Chevron Pipeline and Tanker Truck Loading Facility adjacent to the northwest of the subject property, the Duel Prison Facility to the northeast, and the town of Banta to the west. The surrounding housing density is extremely low. Agricultural production consists primarily of pasture land and row crops. The General Plan Designation is proposed I.W. Zone. The property is subject to inundation from a 100-year flood,which occurred during the floods of 1997-1998. A review of Application Permits on file with the San Joaquin County Environmental Health Department indicates there have been four Applications for Repairs/Additions in the one mile diameter study area. Two of these repairs were at the Chevron Facility. These applications for modifications to existing systems were for additional leachline drainage. This can be considered a low number of applications and was to be expected considering the low density housing in the area. 1 vaffey;4g Research