Outside Sewer Group

Outlying Sewer Group (OSG) is a group of representatives from Townships and Sanitary Districts whose wastewater is treated by the regional wastewater treatment plant located in and operated by the City of Fond du Lac, Wisconsin.

The OSG is comprised of 13 Sanitary Districts, 5 Townships, and 1 Village, all of which are adjacent to or near the City of Fond du Lac. Members are the Town of Calumet, Town of Empire, Town of Fond du Lac, Town of Friendship, Town of Taycheedah and the Village of North Fond du Lac.

Communities Served


Town of Calumet

Town of Empire

Town of Fond du Lac

Town of Friendship

Town of Taycheedah

Village of North Fond du Lac