Required State License(s):
For further information about the disposal of waste water, contact the Department of Environmental Quality at (800) 662-9278.
For information about disposal of water/soap or any other substance that will be discharged in a sewer, contact the local waste water treatment plant.
A Michigan sales tax license may also be required if products are sold to the public. You may call the Michigan Department of Treasury at (517) 636-4660 and request a 518 form.