Whenever the department imposes a forfeiture under par. (a) for a violation of this section or the rules promulgated under this section, the department shall in addition levy a penalty assessment in the following amounts: a.
(a)#
For a class “1” violation, not less than $5,100 nor more than $10,000.
(b)#
For a class “2” violation, not less than $2,600 nor more than $5,000.
(c)#
For a class “3” violation, not less than $100 nor more than $2,500.