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Condor Earth Technologies, Inc. <br /> 21663 Brian Lane Sonora CA 95370(209)532-0361 <br /> 188 Frank West Circle Suite I Stockton CA 95206(209)234-0518 <br /> July 23,2002 Condor Project No. 3087D <br /> ANNUAL DOMESTIC WASTEWATER SYSTEM GROUNDWATER MONITORING REPORT <br /> JUNE 2002 <br />+ Site Address: Sutter Home Winery <br /> 18667 Jacob Brack Road <br /> Lodi, California <br /> Client: Trinchero Family Estates <br /> P.O. Box 248 <br /> i St.Helena, California 94574 <br /> Regulatory Agency: San Joaquin County Environmental Health Department <br /> This is a report of the results of the annual domestic wastewater system groundwater monitoring event <br /> conducted on June 24, 2002 at the above-referenced site. Data are provided in compliance with <br /> Monitoring and Reporting Program (MRP) Board Order No. R5-2002-0034 dated March 7, 2002. Three <br /> groundwater monitoring wells identified as DWS-1, DWS-2, and DWS-3 were installed by requirement <br /> of the San Joaquin County Environmental Health Department (SJCEHD) to monitor groundwater quality <br /> a <br /> in the vicinity of the on-site septic leachfield. The SJCEHD maintains oversight of the domestic <br /> wastewater system. Annual monitoring of these wells is required by the MRP due to shallow groundwater <br /> conditions at the site. The June 2002 sampling event is the first sampling.event for these wells as required <br /> by the MRP. Figures indicating the site location, monitor well locations, and groundwater elevation <br /> contours (Attachment A, Figures 1, 2, and 3, respectively) are attached to this report. Also attached are ; <br /> ~ field forms, and laboratory analytical results. <br /> i <br /> Summary of June 2002 Annual Domestic Wastewater System Groundwater Monitoring Results <br /> Field Activity <br /> Number of groundwater wel is 10 Number of groundwater wells sampled 3 <br /> Number of groundwater wells measured for 10 Date(s)monitored 6/24/02 <br /> ' water level <br /> Site Hydrology <br /> Average depth to groundwater below 4,82 Average groundwater elevation change Not applicable <br /> measuring points of the ten wells at site feet since last sampling:(+)or(-) <br /> Approximate groundwater flow direction West <br /> ` Groundwater Monitoring Parameters <br /> Monitored constituents: Range in concentrations: <br /> Total Nitrate(as nitrogen) Total Nitrate(as nitrogen) 5.1 — 12 mg/l <br /> Total Kjeldahl Nitrogen(TKN) Total Kjeldahl Nitrogen(TKN) <1.0— 1.0 mg/l <br /> Total Dissolved Solids(TDS) Total Dissolved Solids(TDS) 600—820 mg/l j <br /> Specific Conductivity, Specific Conductivity 918— 1140 gmhos/cm ' <br /> t <br />' «1 CONDOR <br />