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If collected screenings, sludges, and other solids removed from liquid _ <br /> wastes are disposed of at a landfill, such disposal.shall comply with CCR, <br /> Title 23, Section 2510,'et seq. (Chapter 15). <br /> 5. For Subsurface Disposal Systems, the Following Additional <br /> Requirements Apply: <br /> a. The subsurface wastewater disposal system(s) shall be maintained <br /> so that-at no time will sewage surface at any location. f <br /> b. No part of the disposal system(s) shall extend to a.depth where <br /> waste may pollute ground water. <br /> 6. For Surface Disposal Systems, the Following Additional <br /> Requirements Apply: <br /> a. A minimum freeboard of two (2) feet shall be maintained at all-times <br /> in the.basins or ponds. <br /> b. Public contact with wastewater shall be precluded through such <br /> means as fences, signs, and other acceptable alternatives. <br /> C. Basins or ponds shall have sufficient capacity to accommodate <br /> .allowable wastewater flow and design seasonal precipitation and <br /> ancillary inflow and infiltration during the winter season. Design <br /> seasonal precipitation shall be based on criteria, if any, set in the <br /> appropriate RWQCB's Basin Plan.•If no criteria.is set in the <br /> appropriate RWQCB's Basin Plan, then seasonal precipitation shall <br /> be based on historical 24 hour rainfall, using a 10 year return <br /> frequency. <br /> d. Disposal in ponds shall be conducted in a manner such that there <br /> shall be.no stranded or exposed sewage solids.. <br /> C. Ground Water and Surface Water 4amitations: <br /> 1, The discharge shall not: <br /> a. Pollute ground or surface waters. <br /> b. Adversely affect beneficial uses or cause an exceedance of any <br /> applicable Basin Pian water quality objectives for ground or surface <br /> waters. <br />