Ottumwa Generating Station and Ottumwa-Midland Landfill are located in Ottumwa, Iowa.

The CCR units and the regulatory designation of the units at Ottumwa are:

  • OGS Ash Pond (existing surface impoundment)
  • OGS Zero Liquid Discharge Pond (inactive surface impoundment)
  • OML Landfill Expansion - Phase 1 (existing landfill)
  • OML Landfill (existing landfill)