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MONITORING AND REPORTING PROGRAM NO.R5-2004-0079 -2- SPENKER RANCH,INC. JESSIE'S GROVE WINERY SAN JOAQUIN COUNTY Constituent Units Type of Sample Sampling Frequency Reporting Frequency Total Kjeldahl Nitrogen mg/L Grab Monthly Monthly Total Dissolved Solids mg/L Grab Monthly Monthly Volatile Dissolved Solids mg/L Grab Monthly Monthly ' Five-day,20°Celsius Biochemical Oxygen Demand. LAND APPLICATION AREA MONITORING The Discharger shall monitor process wastewater discharged for irrigation to the land application area. Monitoring shall be conducted daily during operation and the results shall be included in the monthly monitoring report. Evidence of erosion, field saturation, runoff, or the presence of nuisance conditions shall be noted in the report. Loading rates for the land application areas shall be calculated. Monitoring of the land application areas shall include the following: Type of Sampling Reporting Constituent Units Sample Frequency Frequency Wastewater Flow' Gallons Continuous' Daily Monthly Supplemental Irrigation Flow Gallons Continuous' Daily Monthly Local Rainfall Inches Measurement Daily Monthly Acreage Applied2 Acres Calculated Daily Monthly Application Rate gal/acre-day Calculated Daily Monthly BOD Loading Rate lbs/acre-month Calculated Daily Monthly Total Nitrogen Loading Rate lbs/acre•month4 Calculated Monthly Monthly TDS Loading Rate lbs/acre•month4 Calculated Monthly Monthly ' Continuous monitoring requires daily meter reading or automated data collection and shall define the volume of wastewater discharged to the land application area from the septic tank. Z Land Application Area(s)in use shall be identified by name or number and the acreage provided. If a portion of an area is used,then the acreage shall be estimated. 3 Total nitrogen applied from all sources,including fertilizers and supplemental irrigation water if used. 4 Report monthly total and cumulative annual to date. At least once per week when wastewater is being applied to the land application areas, the entire application area shall be inspected to identify any equipment malfunction or other circumstance that might allow irrigation runoff to leave the area and/or create ponding conditions that violate the Waste Discharge Requirements. A log of these inspections shall be kept at the facility and be submitted with the monthly monitoring reports. If wastewater was not applied to the land application area, then the monthly monitoring reports shall so state. SOLIDS MONITORING The Discharger shall record and report monthly the quantity, disposal location, and method of disposal of solids disposed of during the processing season, as well as during the off-season, if applicable. If solid waste is shipped offsite, then an estimated amount and location of disposal shall be reported in the monthly report and the hauler identified.