Documents:

2015 Talen MT CSES CCR Fugitive Dust Control Plan-1 and 2 STEP Old Clearwell

2015 CSES Units 1-4 Annual Structural Stability Inspection Report – STEP OCW

Colstrip 1&2 STEP Old Clearwell-CCR STEP Safety Factor Assessment October 2016 STEP OCW

Colstrip-CCR-Written-Closure-Plan-October-2016-1-2-STEP

Colstrip-CCR-Post-Closure-Plan-October-2016-1-2-STEP

Colstrip-CCR-Structural-Stability-Assessment-October-2016-1-2-STEP

Colstrip-CCR-Hazard-Potential-Classification-Assessment-October-2016-1-2-STEP

Colstrip-CCR-Units-12-STEP-Safety-Factor-Assessment-October-2016-1-2-STEP

Colstrip-CCR-Liner-Construction-Documentation-Report-October-2016-1-2-STEP

Colstrip-CCR-History-of-Construction-Report-October-2016-1-2-STEP

Colstrip-1-2-STEP-CCR-Inflow-Design-Flood-Control-System-Plan-October-2016

2016-Colstrip-Annual-CCR-Fugitive-Dust-Control-Report-1-and-2-Step-Old-Clearwell

2016-CSES-1-2-STEP-Old-Clearwell-Annual-Dam-Dike-Inspection-Report

Colstrip-1-2-STEP-Old-Clearwell-CCR-EAP

Colstrip-1-2-Step-Old-Clearwell-CCR-Groundwater-Monitoring-Statistical-Method-Certification-Oct-2017

Colstrip-1-2-Step-Old-Clearwell-CCR-Groundwater-Monitoring-Plan-Certification-Oct-2017

2017-Colstrip-Annual-CCR-Fugitive-Dust-Control-Report-12-STEP-Old-Clearwell

2017-CSES-CCR-Annual-Dam-Dike-Inspection-Report-Jorgensen-1-2-STEP-OCW

2017-Colstrip-CCR-Annual-Groundwater-Monitoring-Corrective-Action-Report-1-2-STEP-OCW

Colstrip 1-2 Old Clearwell/Easier View of 2017 Colstrip CCR Annul Groundwater Monitoring Corrective Action Report 1-2 STEP OCW.pdf

Annual Emergency Action Plan Face to Face 2017 Colstrip 12 STEP Old Clearwell

CCR Rule Assessment Notification Colstrip 257.94e3 5_8_18 - 1&2 STEP Old Clearwell

CCR Rule SSL Notification Colstrip 257.95(g) - 1&2 STEP Old Clearwell

MD18058 Location Restrictions - Colstrip Reduced - 1&2 STEP Old Clearwell

Talen Colstrip 2018 Fugitive Dust Control Report - 1&2 STEP Old Clearwell

2019 CSES Annual Dam and Dike Inspection Report - 1&2 STEP Old Clearwell

2018 Annual Groundwater Monitoring and Corrective Action Report - 1&2 STEP Old Clearwell

Notification of Assessment of Corrective Action - 1&2 STEP Old Clearwell

Revised Assessment of Corrective Measures - STEP Old Clearwell

CCR Rule SSL Notification Colstrip 257.95(g) Spring 2019 - STEP Old Clearwell

2019 Annual Fugitive Dust Control Report - STEP OCW

2019 CSES Annual Inspection Report - STEP OCW

2019 Annual Groundwater Monitoring and Corrective Action Report - STEP Old Clearwell

Spring 2020 Progress Report - STEP Old Clearwell

CCR Rule SSL Notification Colstrip 257.95(g) Spring 2020 - 1&2 Old Clearwell

CCR Rule SSL Notification Colstrip 257.95(g) Fall 2020 - STEP OCW

2020 Annual Fugitive Dust Control Report - STEP OCW

2020 CSES Annual Inspection Report - STEP OCW

2020 Annual Groundwater Monitoring and Corrective Action Report - STEP OCW

STEP OCW Closure NOI

Colstrip Written Closure Plan updated May 2021 - STEP OCW

Spring 2021 Progress Report - STEP OCW

2021 Structural Stability Assessment - STEP OCW

CCR Rule SSL Notification Colstrip 257.95(g) Spring 2021 - STEP OCW

Fall 2021 Progress Report - STEP OCW

2021 Safety Factor Assessments - STEP OCW

2021 Annual Fugitive Dust Control Report - STEP OCW

SSL Notification Colstrip 257.95(g) Fall 2021 - STEP OCW

2021 Annual Groundwater Monitoring and Corrective Action Report - STEP OCW

2021 CSES Annual Inspection Report - STEP OCW

1&2 STEP Emergency Action Plan April 2022 - OCW

CCR Rule SSL Notification Colstrip 257.95(g) Spring 2022 - STEP OCW

Spring 2022 Progress Report - STEP OCW

Fall 2022 Progress Report - OCW

2022 Annual Fugitive Dust Report - STEP OCW

CCR Rule SSL Notification Colstrip 257.95(g) Fall 2022 - STEP OCW

2023 CSES Annual Inspection Report - STEP OCW

2022 Annual Groundwater and Corrective Action Report - STEP OCW

Scroll to Top