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Soil Suitability and Nitrate Loading Study Addendum <br />MENCHACA PROPERTY <br />California State Highway 120, Ripon, California <br />(APN: 203-220-76) <br /> <br />TABLE OF CONTENTS <br /> <br />8.0. GROUNDWATER ANALYSIS .............................................................................. 9  <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 ............. 10   <br />9.0. IMPACT OF NITRATE TO GROUNDWATER .................................................... 10  <br />9.1. CURRENT OFF-SITE SOURCES OF NITRATE ............................................. 10  <br />9.2. IMPACT OF RAINFALL CONTRIBUTION TO NITRATE LOAD ...................... 11  <br />9.3. CURRENT ON-SITE SOURCES OF NITRATE ............................................... 11  <br />9.4. FUTURE ON-SITE SOURCES OF NITRATE .................................................. 11  <br />9.5. DENITRIFICATIONS CAUSED BY SOILS ....................................................... 12  <br />9.6. MASS BALANCE OF NITROGEN LOADING .................................................. 12  <br />9.7. IMPACT OF NITROGEN LOADING FROM SITE PROJECT TO <br />DOWNGRADIENT WATER SOURCES ..................................................................... 13  <br />10.0. TOTAL NITRATE IMPACT FROM PROPOSED PROJECT ............................... 13  <br />11.0. MITIGATION METHODS PROPOSED ............................................................... 14  <br />12.0. CONCLUSIONS .................................................................................................. 14  <br />13.0. LIMITATIONS ..................................................................................................... 14  <br /> <br /> <br />FIGURES <br /> <br />Figure 1 – Location Map <br />Figure 2 – Site Plan <br /> <br /> <br />APPENDICES <br /> <br />Appendix A – EHD Letter/Parcel Vicinity Map/Air Photo and Information <br />Appendix B – Onsite Well Permit/Well Completion Report <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 /> <br /> <br />