Administrative Rules of Montana
Department 17 - ENVIRONMENTAL QUALITY
Chapter 17.50 - SOLID WASTE MANAGEMENT
Subchapter 17.50.11 - Landfill Operating Criteria
Rule 17.50.1110 - SURFACE WATER REQUIREMENTS

(a) cause a discharge of a pollutant into state waters, including wetlands, that violates any requirement of the Montana Water Quality Act including, but not limited to, the Montana pollutant discharge elimination system (MPDES) or the requirements found in ARM Title 17, chapter 30, subchapter 13; or

(b) cause the discharge from a nonpoint source of pollution to waters of the United States, including wetlands, that violates any requirement of an area-wide or statewide water quality management plan that has been approved under 33 USC 1288 or 1329 (section 208 or 319 of the Federal Clean Water Act, as amended).