Sandstone Flowage is a 153 acre impoundment of the Peshtigo River with a maximum depth of 39 feet. It is located in the Town of Stephenson, Marinette County, WI.

The purpose of this association as stated in our bylaws is:

"To preserve and protect Sandstone Flowage and its surroundings and to enhance the water quality, fishery, boating safety and aesthetic value of Sandstone Flowage for today and future generations."

Sandstone Flowage Association has two membership meetings each year, one held on Memorial Day weekend and one in September or October. Meetings start with a social hour to meet your neighbors, then dinner and a short business meeting. Sometimes an appropriate program or presentation may be included.