567—39.5 (455B) Abandoned well plugging schedule.
	 39.5(1) Class 1 wells abandoned prior to April 25, 1990, must be properly plugged by July 1, 1995.
	 39.5(2) Class 2 and 3 wells abandoned prior to April 25, 1990, must be properly plugged by July 1, 2000.
	 39.5(3) Wells near contamination sources. All classes of wells abandoned prior to April 25, 1990, and located less than 200 feet from an active well supplying potable water or located less than 660 feet from a point source of potential contamination which may include, but is not limited to, industrial waste sites; uncontrolled hazardous waste sites; petroleum storage areas; hazardous waste treatment, storage, or disposal areas; agricultural chemical storage areas; animal feedlots; and wastewater treatment facilities must be properly plugged by July 1, 1993.
	 39.5(4) Wells abandoned after April 25, 1990. All classes of wells which are abandoned on or after April 25, 1990, must be properly plugged within 90 days of the date of abandonment.