Otter Tail Power Company
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  • Ash Fill Disposal Area 21-21
  • Slag Pond
  • Temporary Storage Area

Slag Pond

Completion of Closure Memorandum

Notification of Intent to Initiate Closure

Fugitive Dust Control Plan

2016 Fugitive Dust Control Report

2017 Fugitive Dust Control Report

2018 Fugitive Dust Control Report

Groundwater Monitoring Network Certification

Statistical Analysis Plan

2017 Slag Pond Annual GW Monitoring and Corrective Action Report

2018 Slag Pond Annual GW Monitoring and Corrective Action Report

2018 Amended Closure Plan

Inflow Design Flood Control System Plan

An Otter Tail Company

Big Stone Plant CCR