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Kennedy/Jenks Consultants Chapter 4: Process Water Characterization Work Plan This work plan presents an outline for characterization of process water at The Wine Group Franzia Winery and was prepared by Kennedy/Jenks in response to Item 2.c of the CAO. 4.1 Introduction The objective of Chapter 4, the Process Water Characterization Work Plan (PWC Work Plan) is to present a plan to quantitatively and qualitatively characterize the process water discharged to the vineyards for land application treatment and disposal. To assist with potential source reduction evaluations, some of the contributing streams will be characterized. A general description of Facility operations was presented in Section 1.3.2. 4.2 Process Water Management System Description As mentioned previously, water used in Facility operations is obtained from four groundwater production wells (there is a fifth well that is no longer used) located on site and process water is generated by the following operations: crushing/destemming, pressing, racking, fining, tank cleaning, general washdown, process equipment sterilization, wine processing, water softening, and the cooling system (cooling tower blowdown and non contact cooling water). Stormwater runoff is also directed into the process water system for application to the vineyards. Process water is collected by floor drains and is piped to primary and secondary sumps. The secondary sump pumps are equipped with a flow meter. 4.2.1 Process Water Stream Identification Several process water streams contribute to flow discharged to the Facility sumps. Most of the streams are associated with a specific operational process and produce individual process water streams. Winery process area cleanup and sanitation occurs in several locations around the Facility. Cleanup and sanitation procedures use wash water for purposes such as rinsing floors, tanks, and equipment. The cleanup and sanitation water is collected from various areas around the Facility and piped to the southeast and southwest sumps. The following individual process water streams have been identified at the Facility. Wine Ion Exchange: The ion exchange columns, one cation column and one anion column, are used infrequently during the wine stabilization process. The ion exchange resin regeneration process produces a process water stream. • Water Softening: Two main water softeners are used to condition the water supply prior to use within the Facility. The water softener regeneration produces a brine process water stream. • Bottling: The Facility uses a one pass system for bottling room sanitation. The cleaning system produces a process water stream. Groundwater Protection Work Plan, The Wine Group Page 4-1 Franzia Winery, Ripon, California g+sq n'n e.c:C'Fl- 12, e _9w11 �' "'a sno tryan d�✓tae