1. (1) Owners or operators of underground storage tanks which have not been closed in accordance with ARM 17.56.702 shall pay an annual registration fee for each underground storage tank owned or operated. In order to schedule annual renewal dates, the department may prorate the registration fee to cover registration periods not equal to 12 months.

2. (2) Owners or operators of the following underground storage tanks shall pay the following annual registration fees in accordance with (1) before the department will issue an operating permit under ARM 17.56.308:

   1. (a) underground storage tanks with a capacity of more than 1,100 gallons, $165 per tank;
   2. (b) underground storage tanks with a capacity of 1,100 gallons or less, $55 per tank.

Authorizing statute(s): 75-11-505, MCA

Implementing statute(s): 75-11-505, MCA

History: NEW, 1989 MAR p. 1912, Eff. 11/23/89; TRANS, from DHES, 1995 MAR p. 2259; AMD, 1998 MAR p. 3108, Eff. 11/20/98; AMD, 1999 MAR p. 2858, Eff. 12/17/99; AMD, 2003 MAR p. 2759, Eff. 12/12/03; AMD, 2006 MAR p. 913, Eff. 4/7/06; AMD, 2011 MAR p. 145, Eff. 2/11/11; AMD, 2025 MAR, Notice No. 2025-205, Eff. 12/20/25.