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1 3.5 General area septic permit history (number/types/dates of permits,age of system, permit numbers,copies in report): In searching permits for septic systems in San Joaquin County Environmental Health Department records,the septic systems in this general area range in installation dates from 1975 to 2019. (Copies of permits are in Appendix.) The age of the recorded septic system on-site dates back to 1996. It is the only record of a septic system. The other recorded permits belong to a well installation and a percolation test. 3.6 Discussion of general area septic tank repair history: Repair history of the septic tanks in this area reveal that the leech lines and pits have resulted in consistent unerring performance. There are no incidents to report. (See Appendix). 3.7 Description of proposed or expected maximum (including second unit dwellings) septic tank usage on site: The purpose of this project is to expand a winery facility in two phases. See Section 1.1. "Description of Proposed Development" for additional information. 4.0 GROUNDWATER INFORMATION SECTION 4.1 Description of the depth and gradient of groundwater in the general area: The depth to ground water in this area is approximately 100 feet according to the map of"Lines of Equal Depth to Groundwater" published by the "San Joaquin County Flood and Water Conservation District" Groundwater Report Fall 2017. The gradient descends from east to west. 4.2 Description/discussion of any existing and/or potential groundwater contamination issues in the general location of the site: The concerns for groundwater contamination in this area are deemed moderate due to the depths involved. Insecticides, pesticides, and fertilizers typically do not significantly impact groundwater at these depths. However, as with any agricultural area,there is always a potential for contamination due to chemicals used in the farming operation. 4.3 Description of location (address/APN),type and construction of well and location (well head/kitchen tap)where water sample(s)were obtained: A water sample was taken from a well head spigot from the existing well of the subject parcel, located at 7151 E. Peltier Road, Acampo, California on October 29, 2019 by Joel Montano of Dillon& Murphy. 4.4. Description of constituents being tested for in the water sample: The samples are being tested for nitrates and DBCP. 4.5 Description of how sample was obtained,handled, stored, and transported to the lab: The water sample was taken from a well head spigot from the existing well located at 7151 E. Peltier Road,Acampo, CA. The samples were taken by Joel Montano of Dillon & Murphy, and driven directly to Precision-Enviro Tech. The sample was taken and handled in accordance with Precision-Enviro-Tech requirements. The results from the test can be found in the Appendix.