The Injection and Mining Division has the responsibility for implementation of major environmental programs statutorily charged to the Office of Conservation, as well as other responsibilities.

The Underground Injection Control Section administers a regulatory and permit program to protect underground sources of drinking water from endangerment by the subsurface emplacement of both hazardous and non-hazardous fluids through deep well injection, and other oilfield waste disposal techniques.

The Surface Mining Section is responsible for the regulation of exploration, development, and surface mining operations for coal and lignite, and protection of state and private lands.

The Exploration & Production Waste Management Section is responsible for implementation of regulatory controls for commercial Exploratory & Production (E&P) storage, treatment, and disposal facilities as well as coordinating all UIC related enforcement actions brought against operators who violate rules and regulations.