Township lots, not a downtown plant
Fort Gratiot is not a sewered downtown grid the way inner Port Huron is. Tanks show up on inland acreage and on properties where the field sits toward the back of the lot. If you have a well and a tank, you are the customer.
Quote facts that matter
Township (Fort Gratiot), nearest cross road, lid location if you have ever seen it, and whether this is overdue maintenance or a backup. Call (810) 777-8732 or the quote form. Winter lids under snow take longer — say so up front.
Nearby
Port Huron if your mail says that. Yale is the home page of this site. Drain field spongy: drain field problems before you only pump.