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WASTE DISCHARGE REQUIREMENTS -4- <br /> TRI VALLEY GROWERS, PLANT NO. 4 <br /> WASTEWATER DISPOSAL SITE <br /> STOCKTON, SAN JOAQUIN COUNTY <br /> C. Dead algae, vegetation, and debris shall not accumulate on the water surface. <br /> 6. Public contact with wastewater shall be precluded through such means as fences, signs, and <br /> other acceptable alternatives. <br /> 7. The effluent to the disposal fields shall not exceed the following limits: <br /> Constituents Units Monthly Average <br /> Electrical Conductivity µmhos/cm 1200 µmhos/cm <br /> C. Solid Disposal: <br /> 1. Collected screenings, sludges, and other solids removed from liquid wastes shall be <br /> disposed of in a manner approved by the Executive Officer. <br /> 2. Any proposed change in solid use or disposal practice from a previously approved practice <br /> shall be reported to the Executive Officer at least 90 days in advance of the change. <br /> D. Ground Water Limitations: <br /> The discharge shall not cause underlying ground water to: <br /> 1. Contain waste constituents in concentrations statistically greater than receiving water <br /> limits, where specified below, or background water quality where not specified. For <br /> purposes of comparison, background water quality shall be determined when background <br /> monitoring provides sufficient data. Quality determined in this manner establishes "water <br /> quality protection standards." <br /> 2. Contain chemicals, heavy metals, or trace elements in concentrations that adversely affect <br /> beneficial uses or exceed maximum contaminant levels specified in 22 CCR, Division 4, <br /> Chapter 15. <br /> 3. Exceed a most probable number of total coliform organisms of 2.2/100 ml over any seven- <br /> day period. <br /> 4. Exceed concentrations of radionuclides specified in 22 CCR, Division 4, Chapter 15. <br /> 5. Contain taste or odor-producing substances in concentrations that cause nuisance or <br /> adversely affect beneficial uses. <br />