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WASTE DISCHARGE REQUIREMENTS ORDER NO. -4' HOUSLEY FAMILY INVESTMENTS DBA HOUSLEY VINEYARDS WINERY SAN JOAQUIN COUNTY 22. Water quality criteria and other applicable standards associated with the protection of surface and/or groundwater beneficial uses are as follows: Compound Units Concentrations BODS mg/l 40j/80j TDS mg/l 4502 Nitrate mg/l 103/454 Sulfate mg/l 2505 I Technological standards easily achieved with proper design'and operation. 2 Agricultural Water Quality Goal 3 Primary MCL(as nitrogen). 4 Primary MCL(as nitrate). 5 Recommended upper level for Secondary MCL. 23. The Board reviewed the 17 April 2000 California Environmental Quality Act(CEQA) document certified by the San Joaquin County Community Development Department. 24. The discharge to land of wastewater may result in an increase in concentration of total dissolved solids, specific conductivity, nitrates, and biochemical oxygen demand in groundwater. State Water Resources Control Board Resolution 68-16 allows degradation of waters of the state if the change in quality is consistent with the maximum benefit to the people of the state,will not unreasonably affect present and anticipated beneficial uses of such water, and will not exceed applicable water quality objectives. In addition, the discharge must meet requirements that result in"best practicable treatment or control of the discharge" to assure that pollution or nuisance will not occur. To remain consistent with Resolution 68-16 the discharge shall not degrade groundwater at levels greater than specified in these waste discharge requirements within the point of compliance and shall not unreasonably affect beneficial uses or cause nuisance. The waste discharge requirements allow wastewater treatment necessary to accommodate housing and economic expansion in the area and are consistent with the maximum benefit to the people of the state. If monitoring of groundwater indicates that the discharge has caused an increase in constituent concentrations,when compared to background, the Discharger will be required to conduct a study of the extent of groundwater degradation. The Discharger may be required to cease the discharge, change the method of disposal to provide the best practicable treatment, or take other action. 25. Section 13267(b) of California Water Code provides that: "In conducting an investigation specified in subdivision (a), the regional board may require that any person who has discharged, discharges, or is suspected of discharging, or who proposes to discharge within its region, or any citizen or domiciliary, or political agency or entity of this state who has discharged, discharges, or is suspected of discharging, or who proposes to discharge waste outside of its region that could affect the quality of the waters of the state within its region shall furnish, under penalty of perjury, technical or monitoring program reports which the board requires. The burden, including costs of these reports, shall bear a reasonable relationship to the need for the reports and the benefits to be obtained from the reports." 26. This discharge is exempt from the requirements of Consolidated Regulations for Treatment, Storage,Processing, or Disposal of Solid Waste, as set forth in Title 27, California Code of CNmja FY ZuaWomky Wum)&H Il dfl WD0.doc