2 plants indexed.
AFTON CITY OF STP is a secondary wastewater treatment plant in Union County, Iowa, serving 845 people. It discharges 227.13 million gallons per year and operates under U.S. Clean Water Act regulations.
Cromwell Lagoon is an advanced wastewater treatment facility serving 107 people in Union County, Iowa, United States. It discharges 37.85 cubic meters of treated effluent daily.