The Lower Meramec Wastewater Treatment Plant, operated by the Metropolitan St. Louis Sewer District (MSD), sits on 200 acres at the confluence of the Meramec and Mississippi Rivers in South St. Louis County.
The Lower Meramec Wastewater Treatment Plant, operated by the Metropolitan St. Louis Sewer District (MSD), sits on 200 acres at the confluence of the Meramec and Mississippi Rivers in South St. Louis County.