The following connections are prohibited except as provided in § 206-SUB. above:
A. Any drain or conveyance, whether on the surface or subsurface, which allows any nonstormwater discharge, including sewage, process wastewater and wash water, to enter the MS4, and any connections to the storm drain system from indoor drains, washers, slop tubs and sinks
(1) Any drain or conveyance connected from a nonresidential land use to the municipal separate storm sewer system which has not been documented in plans, maps or equivalent records and approved by the Township.