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SOIL SUITABILITY NITRATE LOADING STUDY <br /> APPLICATION NUMBER PA-03-561 <br /> 2342 NORTH TEEPEE DRIVE, STOCKTON, CALIFORNIA <br /> TABLE OF CONTENTS <br /> Page No. <br /> ONE <br /> 1.0 INTRODUCTION AND PROPOSED DEVELOPMENT . . . . . . . . . . . . . . . . . . 1 <br /> 1.1 Site Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> ohm 1.2 Zoning Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 1.3 Proposed Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> L 2.0 PRESENT AND PAST USES OF THE SITE AND VICINITY . . . . . . . . . . . . . . 2 <br /> 2.1 Site Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 2.2 Vicinity Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> bw <br /> 3.0 EXISTING AND PROPOSED SEPTIC TANK USAGE . . . . . . . . . . . . . . . . . . . 3 <br /> 3.1 Existing On-Site Septic Tank Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 3.2 Site Septic and Septic Repair Permit History . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 3.4 Existing Septic Tank Usage in the Vicinity . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 3.5 Septic and Septic Repair Permit History in the Vicinity . . . . . . . . . . . . . . . . . 3 <br /> 6" 3.6 Expected On-Site Maximum Septic Tank Usage 4 <br /> 4.0 GROUND WATER INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 4.1 Ground Water Depth and Gradient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 4.2 On-Site Ground Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 4.3 Potential Ground Water Contamination Issues . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> 4.4 Well Water Sample Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> 4.5 Well Water Sample Collection, Handling, and Transportation . . . . . . . . . . . . 6 <br /> 4.6 Well Water Sample Analytical Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> Y <br /> �,. 5.0 SOIL PROFILE AND GEOLOGIC INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> 5.1 Geology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> 5.2 Soil Properties in the Vicinity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> 5.3 Soil Lithology Observed and Septic Applicability . . 7 <br /> 6.0 PERCOLATION TEST INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 6w 6.1 Percolation Test Boring Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 6.2 Boring Preparation and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 6.3 Presaturation of Borings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 6.4 Percolation Test Procedure and Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 6.5 Discussion of Percolation Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 <br /> L 6.6 Required Size of Septic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 <br /> E <br />