Section 905.50  Distribution Boxes

a)         General.  Distribution boxes may be installed between a septic tank or aerobic treatment plant 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 septic tank 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, non-corrosive material.  They shall be designed to accommodate the necessary distribution lines.

d)         Access.  Distribution boxes shall be provided with an opening which will serve as a ready access for inspection, cleaning, and general maintenance.

e)         There shall be no connection such as joints, splices or fittings within the area of the overdig around the distribution box.

(Source:  Amended at 20 Ill. Reg. 2431, effective March 15, 1996)