Section R. 299.4435 - Type II landfill operation; run-on and runoff control systemsRule 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.Mich. Admin. Code R. 299.4435