2 plants indexed.
Challis Cyprus Lagoon System is a secondary treatment plant in Custer County, Idaho, serving 432 people. It discharges 302.83 megaliters annually and operates under US EPA NPDES regulations.
Mackay Sewage Lagoon in Custer County, Idaho, serves 517 people with secondary treatment. The plant discharges 567.81 volume units and has a designed capacity of 681.37 volume units.