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The quantity cit.effluent delivered each pump cycle should be at least 190 gallons, but no more <br /> than 210 gallkms per cycle. <br /> The amount of effluent pumped per cycle depends on the surface area of the pumping tank and <br /> the setting of the pump start and stop. A relatively large pumping tank surface area is needed <br /> with a small pump out depth. <br /> There are several pumping situations that can be used with this onsite sewage treatment system. <br /> These situations should be in concurrence with the County Ordinance, MPCA Rule 7080, and <br /> the contractor installing the system. <br /> Ijtspet tion lope <br /> A vertical inSpeetiun pipe at least 1 1/2 inches in diameter to the bottom shall be installed in the <br /> rock layer of the mound. The inspection pipe shall be located at an end opposite from where the <br /> • <br /> sewage tank effluent enters the rock layer. The inspection pipe shall have 3/8 inch, or larger, <br /> perforations spaced vertically no more than 6 inches apart. At least 2 perforations shall be <br /> located in the rock layer. The inspection pipe shall extend to the bottom of the ruck layer with <br /> an elbow beneath it and shall be capped flush with or above the finished grade. <br />