Minn. R. 7001.1030
PERMIT REQUIREMENT AND EXEMPTIONS
Subpart 1. Permit required. Except as provided in subpart 2, no person may discharge a pollutant from a point source into the waters of the state without obtaining a national pollutant discharge elimination system permit from the agency. Subp. 2. Exemptions. The following persons are not required to obtain a national pollutant discharge elimination system permit: A. persons who discharge sewage or effluent from a vessel; B. persons discharging dredge or fill materials regulated by the federal government under section 404 of the Clean Water Act, United States Code, title 33, section 1344; C. persons discharging pollutants to a publicly owned treatment works; D. persons discharging pollutants who are in compliance with the instructions of an on-scene coordinator in accordance with Code of Federal Regulations, title 40, part 1510; E. persons introducing pollutants from nonpoint source agricultural and silvicultural sources into privately owned treatment works; F. persons causing return flows from irrigated agriculture; G. persons discharging pollutants into privately owned treatment works; H. persons injecting water, gas, or other material into a well to facilitate the production of oil or gas; I. persons disposing of water in a well if this water is associated with oil and gas production; and J. persons operating a feedlot who are not required to obtain an NPDES permit under federal law. This item does not release such persons from the requirement to obtain an NPDES permit to discharge a pollutant when required by federal law or from the requirement to obtain a state disposal system permit to discharge a pollutant into the waters of the state.