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r <br /> WASTE DISCHARGE REQUIREMENT <br /> FOR JOSE DA SILVA S <br /> DBA JOE DA SILVA DAIRY -3- <br /> SAN JOAQUIN COUNTY <br /> Fcroplands shall be <br /> incorporated into the soil soon after <br /> application. <br /> Fo e. Animals in confinement shall be prevented <br /> water. from entering surface <br /> Ff. All precipitation and surface drainage outside of manured area <br /> including that collected from roofed areas, shall be diverted <br /> away from manured areas, unless such drainage is fully retained. <br /> 4. For ground water protection: <br /> a. Manure storage areas shall be managed to minimize percolation of <br /> F water into underlying soils. <br /> b• Application of wastewater to cropland and disposal fields shall <br /> F be managed to minimize percolation to ground water. <br /> c• Animal confinement facilities shall have adequate surface <br /> drainage to ` <br /> 9 prevent continuous accumulation of surface water in <br /> corrals and feed yards. <br /> d• Application of manures and wash waters to croplands shall beat <br /> rates which are reasonable for the crop, soil , climate <br /> local situations, management system, and type of manure.. <br /> e• The salt in animal rations should be limited to that required. to <br /> maintain animal health and optimum production. <br /> f• Wastewater retention ponds shall be lined with or underlain by <br /> F soils which contain at least tenerc <br /> ent more than <br /> ten percent gravel or artificial m ter ialsndof otequivaIent <br /> impermeability. These ponds shall also be sited, designed, <br /> F' constructed, and operated to ensure that wastes will <br /> ill be a minimum <br /> Of five feet above the highest anticipated elevation of <br /> underlying ground water. <br /> D. Provisions: <br /> I. The discharger may be required to submit technical reports as directed <br /> F by the Executive Officer. <br /> r <br /> 2. If the number of animal units are increased by more than tenercent <br /> above the level stated in the Findings, the Discharger shall submit a <br /> Technical Report which clearly demonstrates that the increase will not <br /> be a threat to water quality. The -Discharger will use the method <br /> F <br /> described in Attachment B to calculate animal units. <br /> r <br /> VIUD-3 <br />