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CCR RULE COMPLIANCE

Data and Information

Alliant Energy's CCR Rule Compliance Data and Information

Home Columbia Surface Impoundment Closure/Post-Closure Care

Please select from the options below.

  • Notification of Intent to Close Primary Pond
  • EPA Response to Request to Withdraw - Application for Site-Specific Alternative Closure Deadline - April 2023
  • Request to Withdraw - Application for Site-Specific Alternative Closure Deadline - March 2023
  • Application for Site-Specific Alternative Deadline - December 2022
  • Extension Application Update - October 2022
  • Extension Application - Request for Additional Information - February 2022
  • Extension Application - Completeness Determination
  • Notification of Intent to Close Secondary Pond
  • Application for Site-Specific Alternative Deadline - November 2020
  • Written Closure Plan - 2020 Revision
  • Alternative Closure Annual Progress Report - 2020
  • Notification of Intent to Comply with the Alternative Closure Requirements
  • Notification of Intent to Close Primary Ash Pond
  • Written Post-Closure Plan
  • Written Closure Plan
  • Notification of Intent to Close Secondary Pond
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