(b) It is unlawful for any person, unless the person holds a permit therefor from the department, which is in full force and effect, to:
(1) Allow sewage, industrial wastes or other wastes, or the effluent therefrom, produced by or emanating from any point source, to flow into the waters of this state;
(2) Make, cause or permit to be made any outlet, or substantially enlarge or add to the load of any existing outlet, for the discharge of sewage, industrial wastes or other wastes, or the effluent therefrom, into the waters of this state;
(3) Acquire, construct, install, modify or operate a disposal system or part thereof for the direct or indirect discharge or deposit of treated or untreated sewage, industrial wastes or other wastes, or the effluent therefrom, into the waters of this state, or any extension to or addition to the disposal system;
(4) Increase in volume or concentration any sewage, industrial wastes or other wastes in excess of the discharges or disposition specified or permitted under any existing permit;
(5) Extend, modify or add to any point source, the operation of which would cause an increase in the volume or concentration of any sewage, industrial wastes or other wastes discharging or flowing into the waters of the state;
(6) Construct, install, modify, open, reopen, operate or abandon any mine, quarry or preparation plant, or dispose of any refuse or industrial wastes or other wastes from the mine or quarry or preparation plant: Provided, That the department's permit is only required wherever the aforementioned activities cause, may cause or might reasonably be expected to cause a discharge into or pollution of waters of the state, except that a permit is required for any preparation plant: Provided, however, That unless waived in writing by the secretary, every application for a permit to open, reopen or operate any mine, quarry or preparation plant or to dispose of any refuse or industrial wastes or other wastes from the mine or quarry or preparation plant shall contain a plan for abandonment of the facility or operation, which plan shall comply in all respects to the requirements of this article. The plan of abandonment is subject to modification or amendment upon application by the permit holder to the secretary and approval of the modification or amendment by the secretary; or
(7) Operate any disposal well for the injection or reinjection underground of any industrial wastes, including, but not limited to, liquids or gases, or convert any well into such a disposal well or plug or abandon any such disposal well.
(c) Where a person has a number of outlets emerging into the waters of this state in close proximity to one another, the outlets may be treated as a unit for the purposes of this section, and only one permit issued for all the outlets.