(1) In this Subdivision,
"operate a system of sewage management" means hold or process, or re-use or otherwise dispose of, sewage or by-products of sewage (whether or not the sewage is generated on the premises on which the system of sewage management is operated).
(2) Without limiting subclause (1),
"operate a system of sewage management" includes the following:(a) use artificial wetlands, transpiration mounds, trenches, vegetation and the like in related effluent application areas,(b) hold or process sewage that is to be subsequently discharged into a public sewer.
"operate a system of sewage management" does not include any of the following:(a) any action relating to the discharge of sewage directly into a public sewer,(b) any action relating to sewage or by-products of sewage after their discharge into a public sewer.