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CCR RULE COMPLIANCE

Data and Information

Alliant Energy's CCR Rule Compliance Data and Information

Home Ottumwa Surface Impoundment Design Criteria

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  • Hazard Potential Classification - May 2021
  • Periodic Structural Stability Assessment - October 2020
  • Periodic Safety Factor Assessment - October 2020
  • Initial Safety Factor Assessment - September 2016
  • Initial Structural Stability Assessment - September 2016
  • History of Construction - 2016
  • Liner Type Documentation - 2016
  • Initial Hazard Potential Classification - September 2016
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