8 CAR § 130-1003
Any solid waste disposal facility, located either partially or wholly within the Boston Mountain Regional Solid Waste Management District, which is required to maintain a stormwater retention basin by either Division of Environmental Quality or federal standards, particularly 40 C.F.R. § 258.26, shall build any such stormwater retention basin or basins to retain all stormwater generated by a twenty-four-hour, hundred-year rainfall event.