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Soil Suitability and Nitrate Loading Study <br /> WENTWORTH PROPERTY <br /> 462 West Joseph Road, Manteca, California <br /> TABLE OF CONTENTS <br /> SECTION PAGE <br /> 8.0. GROUNDWATER ANALYSIS ............................................................................10 <br /> 8.1. DESCRIPTION OF LOCAL GROUNDWATER ................................................ 10 <br /> 8.2. EXISTING OR POTENTIAL GROUNDWATER CONTAMINATION ................ 10 <br /> 8.3. CURRENT AND FUTURE USE OF GROUNDWATER AT THE SITE............. 11 <br /> 9.0. IMPACT OF NITRATE TO GROUNDWATER .................................................... 11 <br /> 9.1. CURRENT OFF-SITE SOURCES OF NITRATE ............................................. 11 <br /> 9.2. IMPACT OF RAINFALL CONTRIBUTION TO NITRATE LOAD ...................... 11 <br /> 9.3. CURRENT ON-SITE SOURCES OF NITRATE ............................................... 12 <br /> 9.4. FUTURE ON-SITE SOURCES OF NITRATE .................................................. 12 <br /> 9.5. DENITRIFICATIONS CAUSED BY SOILS....................................................... 13 <br /> 9.6. MASS BALANCE OF NITROGEN LOADING .................................................. 13 <br /> 9.7. IMPACT OF NITROGEN LOADING FROM SITE PROJECT TO <br /> DOWNGRADIENT WATER SOURCES..................................................................... 14 <br /> 10.0. TOTAL NITRATE IMPACT FROM PROPOSED PROJECT............................... 14 <br /> 11.0. MITIGATION METHODS PROPOSED............................................................... 15 <br /> 12.0. CONCLUSIONS AND RECOMMENDATIONS................................................... 15 <br /> 13.0. LIMITATIONS ..................................................................................................... 15 <br /> FIGURES <br /> Figure 1 — Location Map <br /> Figure 2 — Site Plan <br /> APPENDICES <br /> Appendix A— Parcel Vicinity Map/Air Photo and Information <br /> Appendix B — Onsite Well/Septic Permit <br /> Appendix C — McCampbell Analytical, Inc. Lab Report <br /> Appendix D — Percolation Test Sheet/Onsite Wastewater Treatment System Permit - <br /> Percolation Test <br /> Appendix E — CIMIS Rain Evapotranspiration Report 2014-2019 <br />