AUTHORITY: Implementing and authorized by the Private Sewage Disposal Licensing Act [225 ILCS 225].
SOURCE: Filed October 19, 1974, effective October 25, 1974; rules repealed, new rules adopted at 6 Ill. Reg. 3095, effective March 9, 1982; amended at 8 Ill. Reg. 8552, effective June 4, 1984; codified at 8 Ill. Reg. 19821; amended at 9 Ill. Reg. 20738, effective January 3, 1986; amended at 10 Ill. Reg. 11054, effective July 1, 1986; amended at 20 Ill. Reg. 2431, effective March 15, 1996; amended at 23 Ill. Reg. 5080, effective April 10, 1999; amended at 27 Ill. Reg. 3074, effective February 10, 2003; amended at 37 Ill. Reg. 14994, effective August 28, 2013; emergency amendment at 44 Ill. Reg. 6142, effective March 31, 2020, for a maximum of 150 days; emergency expired August 27, 2020.