The introduction of sewage, industrial wastes or other pollutants into publicly owned treatment works by indirect dischargers. Plans or agreements to switch to this method of disposal in the future do not relieve dischargers of the obligation to have and comply with permits until all discharges of pollutants directly or indirectly to groundwaters of the State and any land surface of the State are eliminated.
Return flows from irrigated agriculture.
Individual Sewage Treatment and Disposal Systems serving one piece of deeded property that are permitted under Regulation 61-56. This includes but is not limited to any individual residence or single piece of deeded property using a septic tank system if a permit for the discharge is obtained under the provisions of R.61-56. Provided the requirements in section 505.8 are met and a permit is issued to Construct an Individual Sewage Treatment and Disposal System under R.61-56, serving more than one piece of deeded property, a Land Application or State Permit will not be required. This exclusion may not apply if industrial wastes or other pollutants are discharged.