General postclosure inspection, annual report, and maintenance activities

During the postclosure period, the operator shall conduct site maintenance and other activities in accordance with the approved postclosure plan, including the following, as applicable: 1. Conduct quarterly inspections of the entire mine site to monitor the following: a. Condition of vegetation; b. Erosion and sediment controls; c. Wellheads; d. Subsidence; e. Impoundments; f. Safety hazards; and g. Other potential problems; 2. Maintain vegetation and repair damage to vegetation by taking such steps as adding topsoil, seeding, planting, fertilizing, and mulching; 3. Control noxious weeds; 4. Maintain erosion and sediment control structures. If sediment and erosion controls in an area become unnecessary the structures may be removed for aesthetic purposes; 5. Repair leaking wellheads and replug wells as necessary; 6. Maintain and repair impoundments to ensure stability; 7. Monitor areas of subsidence, fencing subsidence areas as necessary, or undertaking slope reduction as necessary; 8. Maintain locking gates, fences, and warning signs to limit access to the site; 9. Remove or dispose of trash and other waste; 10. Maintain fire protection; 11. Provide equipment, tools, and power to conduct maintenance activities; and 12. As required by the department, all maintenance and repair work must be documented in annual postclosure reports submitted to the department.