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J INFORMATION SHEET ORDER NO. R5-2002-0034 SUTTER HOME WINERY LODI FACILITY SAN JOAQUIN COUNTY Sutter Home Winery operates a facility at 18667 Jacob Brack Road, Lodi in San Joaquin County. The winery was constructed and wastewater discharge began without Waste Discharge Requirements (WDRs). The winery is being constructed in phases. The present phase does not include grape crushing. The Discharger anticipates grape crushing will be added to the facility in approximately five years. When the grape crushing is added, the Discharger is required to submit a RWD for revised WDRs. The winery is on a 297 acre parcel. Surface water drainage is to the Mokelumm River. Wastewater is biologically treated in two mechanically aerated, clay lined wastewater ponds that provide a total of 1.23 million gallons of storage. Effluent from the ponds is land applied on a 15 acre land application area. The winery is equipped with a diversion valve that switches discharge of winery wastewater or stormwater to either the wastewater ponds or the stormwater pond. Because of the possibility of wastewater being discharged to the stormwater pond, additional monitoring of the stormwater pond and groundwater at the stormwater pond is required. Groundwater at the winery occurs within five feet of the ground surface. Soil is anticipated to be relatively high permeability. Sutter Home submitted a groundwater monitoring workplan with the RWD. The workplan was conditionally approved but the groundwater data was not available for the preparation of this WDR. Wastewater flows are metered; the estimated flow rate for the winery is between 10,000 to 16,000 gallons per day. The higher flow rate is anticipated during the crush season due to additional activity. Operations at this winery are anticipated to grow in two more phases that will be implemented based on economic considerations. However, these WDRs only address current- operations. The Discharger is required to submit a Notice of Intent for Discharges of Storm Water Associated with Industrial Activities, a Groundwater Well Installation Report, a Salinity Reduction Report, connect the supply water filter backwash water to the industrial wastewater system, a Groundwater Monitoring Summary Report, and a Report on Salinity Reduction. Additional reports and improvements may be required based on the results of monitoring. These Waste Discharge Requirements require monitoring of the winery wastewater effluent, treatment pond water, stormwater pond, land application area, and underlying groundwater are required. Maximum nitrogen and BOD loading rates for the land application area are specified in the WDRs. TRO:311/02 C:Ny Dacumcn MiscdLus®uslWyelal0'HrimlinFo.doc