2 plants indexed.
GRISWOLD WWTP is a secondary treatment plant in Cass County, Iowa, serving approximately 1,027 people. It discharges 965.28 units of treated wastewater and has a designed capacity of 1,313.53 units.
Atlantic WWTP serves approximately 7,000 residents in Cass County, Iowa. The plant discharges treated wastewater into local waterways under the U.S. Clean Water Act framework.