Big Stone Plant's Ash Fill Disposal area is permitted by the South Dakota Department of Agriculture and Natural Resources.
2016 Annual Fugitive Dust Control Report
2017 Annual Fugitive Dust Control Report
2018 Annual Fugitive Dust Control Report
2019 Annual Fugitive Dust Control Report
2020 Annual Fugitive Dust Control Report
2021 Annual Fugitive Dust Control Report
2022 Annual Fugitive Dust Control Report
2023 Annual Fugitive Dust Control Report
2015 Landfill Annual Inspection Report
2016 Landfill Annual Inspection Report
2017 Landfill Annual Inspection Report
2018 Landfill Annual Inspection Report
2019 Landfill Annual Inspection Report
2020 Landfill Annual Inspection Report
2021 Landfill Annual Inspection Report
2022 Landfill Annual Inspection Report
2023 Landfill Annual Inspection Report
Groundwater Monitoring Network Certification
2017 Landfill GW and Corrective Action Report
2018 Landfill GW and Corrective Action Report
2019 Landfill GW and Corrective Action Report
2020 Landfill GW and Corrective Action Report
2021 Landfill GW and Corrective Action Report
2022 Landfill GW and Corrective Action Report