The department may assess and collect fees from a person who is subject to an order or other enforcement action to cover the costs incurred by the department to review the planning and implementation of any environmental investigation or environmental cleanup that the person is required to conduct.
Wis. Admin. Code Department of Natural Resources NR 728.06
Section 292.94 allows the department to assess and collect fees to cover the costs incurred by the department. Chapter NR 749 specifies the fees that apply to these actions.