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Colbert CCR Documents (Area 4)
Surface Impoundment - Ash Disposal Area 4
Closure - Post-Closure Plan
Alternative Closure
- No documents at this time.
Closure Plan
- 257-102(b)_Written Closure Plan_COF_Ash Disposal Area 4 (pdf, 1217 KB)
- 257.102(h)_Certification of Closure_COF_Ash Disposal Area 4 (pdf, 27 KB)
Post-Closure Plan
- 257-104(d)_Written Post-Closure Plan_COF_Ash Disposal Area 4 (pdf, 1217 KB)
Retrofitting
- No documents at this time.
Closure Status
NOI to Initiate Closure
- 257-102(g)_NOI to Initiate Closure_COF_Ash Disposal Area 4 - Copy (pdf, 149 KB)
- 257-102(g)_NOI to Initiate Closure_COF_Ash Disposal Area 4 (pdf, 149 KB)
Design Criteria
Emergency Action Plan
- 257-73(a)(3)_Most Recent Emergency Action Plan_COF_Ash Disposal Area 4 (pdf, 2231 KB)
- 257-73(a)(3)(i)(E) _Annual Face-to-Face meeting_COF_Ash Disposal Area 4 2022 (pdf, 223 KB)
- 257-73(a)(3)(i)(E) _Annual Face-to-Face meeting_COF_Ash Disposal Area 4 2021 (pdf, 80 KB)
- 257-73(a)(3)(i)(E) _Annual Face-to-Face meeting_COF_Ash Disposal Area 4 2020 (pdf, 795 KB)
- 257-73(a)(3)(i)(E) _Annual Face-to-Face meeting_COF_Ash Disposal Area 4 2019 (pdf, 312 KB)
- 257-73(a)(3)(i)(E) _Annual Face-to-Face meeting_COF_Ash Disposal Area 4 (pdf, 245 KB)
Hazard Potential Classification
- 257-73(a)(2)_Periodic Hazard Potential Classification_COF_Ash Disposal Area 4_2021 - Final (pdf, 2046 KB)
- 257-73(a)(2)_Hazard Potential Classification_COF_Ash Disposal Area 4 (pdf, 1849 KB)
History of Construction
- 257-73(c)_History of Construction_COF_Ash Disposal Area 4 (pdf, 75254 KB)
Liner Design
- 257-71_Liner Design_COF_Ash Disposal Area 4 (pdf, 1083 KB)
Marker
- No documents at this time.
Safety Factor
- 257-73(e)_Safety Factor_COF_Ash Disposal Area 4 (pdf, 62 KB)
Structural Stability
- 257-73(d)_Structural Stability_COF_Ash Disposal Area 4 (pdf, 5893 KB)
- 257-73(d)_Periodic Structural Stability_COF_Ash Disposal Area 4_2021 - Final (pdf, 2952 KB)
Groundwater Monitoring
Annual Groundwater Report
- 257-90(e)_Annual Groundwater Monitoring Report_COF_Ash Disposal Area 4 (pdf, 1597 KB)
- 257.90(e)_Annual_Groundwater_Monitoring_Report_COF_Ash_Disposal_Area_4_2021 (pdf, 13431 KB)
- 257.90(e)_Annual Groundwater Monitoring Report_COF_Ash Disposal Area 4_2019 (pdf, 2235 KB)
- 257.90(e)_Annual Groundwater Monitoring Report_COF_Ash Disposal Area 4_2018 (pdf, 1387 KB)
- 257.90(e)_Annual Groundwater Monitoring Report_COF_Ash Disposal Area 4 2020 (pdf, 3594 KB)
Assessment Monitoring
- TVA NOTICE OF ESTABLISHMENT OF AN ASSESSMENT MONITORING PROGRAM COF ASH DISPOSAL AREA 4 (pdf, 174 KB)
- 257-95(g)_notification_appiv_gwps_exceed_COF_ash_disposal_area_4_2022 (pdf, 168 KB)
- 257-95(g)_Notification_AppIV GWPS Midyear Update_COF_Ash Disposal Area 4_2020 (pdf, 169 KB)
- 257-95(g)_Notification AppIV GWPS Midyear Update_COF_Ash Disposal Area 4_2021 (pdf, 153 KB)
- 257-95(g)_Notification AppIV GWPS Exceed_COF_Ash Disposal Area 4 (pdf, 128 KB)
- 257-95(g)_Notification AppIV GWPS Annual Update_COF_Ash Disposal Area 4 (pdf, 166 KB)
Corrective Measures
- 257-96(d)_Corrective Measures Assessment_COF_Ash Disposal Area 4 (pdf, 4688 KB)
- 257-95(g)(5)_Corrective Measures Notification_COF_Ash Disposal Area 4 (pdf, 56 KB)
- 257.97(a)_2022_6th_Semiannual_Progress_Report_COF_Ash_Disposal_Area_4 (pdf, 8773 KB)
- 257.97(a)_2022_5th_Semiannual_Progress_Report_COF_Ash_Disposal_Area_4 (pdf, 7036 KB)
- 257.97(a)_2021_4th Semiannual Progress Report_COF_Ash Disposal Area 4 (pdf, 5753 KB)
- 257.97(a)_2021_3rd Semiannual Progress Report_COF_Ash Disposal Area 4 (pdf, 5607 KB)
- 257.97(a)_2020_2nd Semiannual Progress Report_COF_Ash Disposal Area 4 (pdf, 2514 KB)
- 257.97(a)_2020_1st Semiannual Progress Report 1_COF_Ash Disposal Area 4 (pdf, 2849 KB)
Detection Monitoring
- No documents at this time.
Groundwater Instrumentation
- 257-93(f)(6)_Statistical Method Cert_COF_Ash Disposal Area 4 (pdf, 155 KB)
- 257-91(f)_GW_Monitoring_System_Cert_COF_Ash_Disposal_Area_4_Rev2_2021 (pdf, 1127 KB)
- 257-91(f)_GW_Monitoring_System_Cert_COF_Ash_Disposal_Area_4_2021 (pdf, 1067 KB)
- 257-91(f)_GW Monitoring System Cert_COF_Ash Disposal Area 4 (pdf, 739 KB)
- 257_93(f)(6)_Statistical_Method_Cert_COF_Ash_Disposal_Area_4_2021 (pdf, 544 KB)
Location Restrictions
Fault Areas
- Not Applicable Facility is Closed (pdf, 47 KB)
Placement Above the Uppermost Aquifer
- Not Applicable Facility is Closed (pdf, 47 KB)
Seismic Impact Zones
- Not Applicable Facility is Closed (pdf, 47 KB)
Unstable Areas
- Not Applicable Facility is Closed (pdf, 47 KB)
Wetlands
- Not Applicable Facility is Closed (pdf, 47 KB)
Operating Criteria
Air Criteria
- 257-80(c)_Annual Fugitive Dust Control Report_COF_Ash Disposal Area 4 2021 (pdf, 102 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_COF_Ash Disposal Area 4 2020 (pdf, 271 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_COF_Ash Disposal Area 4 2019 (pdf, 102 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_COF_Ash Disposal Area 4 2018 (pdf, 20 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_COF_Ash Disposal Area 4 2017 (pdf, 20 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_COF_Ash Disposal Area 4 (pdf, 14 KB)
- 257-80(b)_Fugitive Dust Control Plan_COF_Ash Disposal Area 4 2019 (pdf, 525 KB)
Inflow Design Flood Controls
- 257-82(c)_Periodic Inflow Design Flood Controls_COF_Ash Disposal Area 4_2021 - Final (pdf, 4441 KB)
- 257-82(c)_Inflow Design Flood Controls_COF_Ash Disposal Area 4 (pdf, 655 KB)
Inspection Requirements
- 257-83(b)(2)_Inspection Report_COF_Ash Disposal Area 4 2022 (pdf, 3907 KB)
- 257-83(b)(2)_Inspection Report_COF_Ash Disposal Area 4 2021 (pdf, 2698 KB)
- 257-83(b)(2)_Inspection Report_COF_Ash Disposal Area 4 2020 (pdf, 1570 KB)
- 257-83(b)(2)_Inspection Report_COF_Ash Disposal Area 4 2019 (pdf, 1878 KB)
- 257-83(b)(2)_Inspection Report_COF_Ash Disposal Area 4 2018 (pdf, 3564 KB)
- 257-83(b)(2)_Inspection Report_COF_Ash Disposal Area 4 2017 (pdf, 5208 KB)
- 257-83(b)(2)_Inspection Report_COF_Ash Disposal Area 4 2016.2 (pdf, 19124 KB)
- 257-83(b)(2)_Inspection Report_COF_Ash Disposal Area 4 2016 (pdf, 13175 KB)
- 257-83(b)(2)_Inspection Report_COF_Ash Disposal Area 4 (pdf, 7114 KB)