R 299.4435 Type II landfill operation; run-on and runoff control systems.

Rule 435. (1) The owner and operator of a type II landfill shall design, construct, and maintain both of the following systems: (a) A run-on control system to prevent flow onto the active portion of the landfill during the peak discharge from a 25-year, 24-hour storm. (b) A runoff control system from the active portion of the landfill to collect and control at least the water volume that results from a 24-hour, 25-year storm. (2) The owner and operator of a type II landfill shall manage runoff from the active portion of the landfill that does not have interim cover as leachate in accordance with R 299.4432. (3) The owner and operator of a type II landfill shall control runoff from the active work area of the landfill and shall institute erosion control measures as necessary to comply with part 91 of the act.