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CENTRAL VALLFOREGIONAL WATER QUALITY&NTROL BOARD INSPECTION REPORT DISCHARGER: East-Side Winery LOCATION & COUNTY: Lodi, San Joaquin County CONTACT(S): Ted Wojnar, Bill. Stanfield; East-Side Winery Employees INSPECTION DATE: 8 May 2001 INSPECTED BY: Tim O'Brien ACCOMPANIED BY: OBSERVATIONS AND COMMENTS: In response to a citizen complaint received at 8:00 am on 8 May 2001, I telephoned East-Side Winery to inquire if they were aware of a spill of industrial wastewater. I talked with Julie Edelstein, who investigated the matter and later called to confirm that stillage had been spilled as reported. I informed her that East-Side had to control the spill and clean it up. At 1:30 pm I arrived at the spill site to view the spill and further investigate the citizen complaint. East- Side Winery had three employees at the spill site with a gasoline powered ptunp which was pumping the spilled stillage over the railroad tracks into the East-Side Winery wastewater ponds. The employees informed me that they had been running the still since 4 May 2001 but had stopped distilling when I called with the spill complaint. The source of the spill was uncertain, however water was draining intermittently from a broken PVC pipe. The stillage was pooled behind a Mokelumne River levee and a small earth dam that existed in the area. (A number of earth dams existed in the area possibly indicating that the area had historically been used as wastewater ponds). The spill covered an area of approximately 75 feet long by 15-20 feet wide. The depth of the stillage is estimated to be less than one foot,but could not be measured. A strong odor was noted in the area of the spill and much of the stillage was colored red. Because the citizen report indicated that the spill was occurring into the river,just east of the railroad trestle where it crosses the river (see attached diagram), I walked the river looking for signs that wastewater had entered the river. I inspected the Mokelumne River from the spill site to the existing East-Side Winery shallow stillage ponds. I was looking for odorous areas, discolored water, or fish kills; however, no indication of wastewater entering the Mokelumne River was observed. Upon returning to the spill site, the East-Side employees informed me that more water was discharging from the broken PVC pipe and that the source of the water was unknown since they had shut down their still. They speculated that it might be from the Chatfield Winery. I agreed to talk with the Chatfield Winery employees to,determine if they were discharging wastewater. Upon arriving at the Chatfield Winery, I observed an employee running tap water into a floor drain. The Chatfield employees informed me that water levels in the facility's sumps suddenly and unexpectedly rose and they were in the process of trying to clear blockages they assumed existed in their pipes. They did not