A. General: Distribution boxes may be installed between a septic tank, aerobic treatment plant, NSF International/ANSI standard 40 wastewater treatment system, and a subsurface seepage system or buried sand filter. If a distribution box is used, it shall be installed level on unexcavated earth, and shall provide equal distribution of flow to the subsequent disposal system.
B. Connecting Pipe: The pipe connecting the pretreatment or primary treatment component to the distribution box and the pipe connecting the distribution box to the disposal system shall be watertight.
C. Construction: Distribution boxes shall be constructed of a durable, watertight, noncorrosive material. They shall be designed to accommodate the necessary distribution lines.
D. Access: Distribution boxes shall be provided with an opening that will serve as a ready access for inspection, cleaning and general maintenance.
E. No Connections Around Distribution Box: There shall be no connection such as joints, splices or fittings within the area of the overdig around the distribution box.
(Source: Amended at 37 Ill. reg. 14994, effective August 28, 2013) (Ord. 15-961, 4-14-2015)