Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.3122

Sec. 3122. (1) Until October 1, 2027, the department may levy and collect an annual groundwater discharge permit fee from facilities or municipalities that discharge wastewater to the ground or groundwater of this state under section 3112.  1 The fee is as follows:

(2) Within 180 days after receipt of a complete application for a permit to discharge wastewater to the ground or to groundwater, the department shall grant or deny a permit, unless the applicant and the department agree to extend this time period. If the department fails to make a decision on an application within the time period specified or agreed to under this subsection, an applicant subject to an annual groundwater discharge permit fee shall receive a 15% annual discount on the annual groundwater discharge permit fee.

(3) If the person required to pay the annual groundwater discharge permit fee under subsection (1) is a municipality, the municipality may pass on the annual groundwater discharge permit fee to each user of the municipal facility.

(4) As used in this section, “group 1 facility”, “group 2 facility”, “group 2a facility”, and “group 3 facility” do not include a municipality with a population of 1,000 or fewer residents.