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SOH Suitability / Nitrate Loading Study <br />Morada Produce — Ag Processing Building a Stockton, California <br />May 14, 2021 Terracon Project No NA217014 <br />lierracon <br />SOIL SUITABILITY / NITRATE LOADING STUDY <br />MORADA PRODUCE - AG PROCESSING BUILDING <br />APN 105-040-22 <br />500 NORTH JACK TONE ROAD <br />STOCKTON, SAN JOAQUIN COUNTY, CALIFORNIA <br />TERRACON PROJECT NUMBER: NA217014 <br />Our office was contacted by Mr. Lance Kagehiro to conduct a Soil Suitability/Nitrate Loading Study <br />(SSNLS) for the property located 500 North Jack Tone Road, Stockton, California, San Joaquin <br />County (SJC). The formatting of this report has been designed to follow, to the greatest degree <br />possible, San Joaquin County, Environmental Health Department (EHD) Soil Suitability Study <br />Requirements Checklist, dated September 25, 2007 and Nitrate Loading Study Requirements <br />Checklist, dated July 14, 2003. <br />Morada Produce has a Waste Discharge Order R5-2003-0178 dated 2003 with the California <br />Regional Water Quality Control Board. Based on a review of the discharge order, the facility's <br />process wastewater and stormwater discharge to a retention basin on the southern portion of the <br />site. The wastewater/stormwater is then used to irrigate the surrounding 160-acre orchard. This <br />SSNLS does not include the facility's process wastewater which is reported monthly and annually <br />by the client to the California Regional Water Quality Control Board. <br />1.0 SOIL SUITABILITY STUDY <br />1.1 Introduction and Development <br />The Soil Suitability Study (SSS) was conducted to determine whether site soils are suitable for <br />septic system usage. The study was performed according to the requirements of Section 9- <br />110.05.2(d) of the San Joaquin County Development code. A major element of the field work <br />included conducting percolation tests that meet absorption rates as specified by EHD. A review <br />of published soil information, geologic maps, and groundwater information was also performed. <br />1.1.1 Site Description <br />The site consists of an approximately 64.13-acre tract of land located at 500 North Jack Tone <br />Road, Stockton, California, San Joaquin County, California, Assessor Parcel Number (APN) 105- <br />040-22. Based on information obtained from the Morada Produce website, the site is a fruit, <br />vegetable and nut, packing and shipping facility that was developed in phases with multiple <br />buildings, three septic systems, one potable groundwater well, solar array and retention basin. <br />The facility operates year round with the peak season beginning from April to June and August to <br />September. <br />Responsive • Resourceful e ReHable 3