2 plants indexed.
Mount Vernon WWTP serves 7,478 people in Posey County, Indiana. The plant discharges treated wastewater into the Ohio River watershed, ultimately draining to the Mississippi River and Gulf of Mexico.
Poseyville WWTP serves approximately 1,796 residents in Posey County, Indiana. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater.