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MONITORING AND REPORTING-PROGRAM NO. R5-2004-0079 -3- <br /> SPENKER RANCH,INC. <br /> JESSIE'S GROVE WINERY <br /> SAN JOAQUIN COUNTY <br /> STORMWATER POND MONITORING <br /> On a daily basis, the Discharger shall record the following information and submit it with the monthly <br /> monitoring report: <br /> 1. Is the diversion valve (allowing flow into the stormwater pond) open? <br /> 2. Did any outdoor wine processing activities take place during the day? <br /> Stormwater pond samples shall be collected during the months of November through April each year. If <br /> the stormwater pond is dry, then the monitoring report shall so state. <br /> Constituent Units Type of Sample Sampling Frequencv Reporting Frequencv <br /> Freeboard Feet (0.1) Measurement Monthly Monthly <br /> PH pH units Grab Monthly Monthly <br /> BOD51 mg/L Grab Monthly Monthly <br /> Total Dissolved Solids mg/L Grab Monthly Monthly <br /> Volatile Dissolved Solids mg/L Grab Monthly Monthly <br /> GROUNDWATER MONITORING <br /> Groundwater monitoring shall commence with the fourth quarter 2004. Prior to construction and/or <br /> sampling of any groundwater monitoring wells, the Discharger shall submit plans and specifications to <br /> the Board for approval. Once installed, all new wells shall be added to the monitoring network and shall <br /> be sampled and analyzed according to the schedule below. All samples shall be collected using <br /> approved EPA methods. Water table elevations shall be calculated to determine groundwater gradient <br /> and direction of flow. <br /> Prior to sampling, the groundwater elevations shall be measured and the wells shall be purged at least <br /> three well volumes until temperature, pH, and electrical conductivity have stabilized. Depth to <br /> groundwater shall be measured to the nearest 0.01 feet. Groundwater monitoring shall include, at a <br /> minimum, the following: <br /> Type of Sampling Reporting <br /> Constituent Units Sample Frequencv) Frequency4 <br /> Depth to Groundwater ±0.01 feet Measurement Quarterly Quarterly <br /> Groundwater Elevation' ±0.01 feet Calculated Quarterly Quarterly <br /> Gradient feet/feet Calculated Quarterly Quarterly <br /> Gradient Direction Degrees Calculated Quarterly Quarterly <br /> PH pH units Grab Quarterly Quarterly <br /> Nitrate as Nitrogen mg/L Grab Quarterly Quarterly <br /> Total Kjeldahl Nitrogen mg/L Grab Quarterly Quarterly <br /> Total Dissolved Solids mg/L Grab Quarterly Quarterly <br />