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Cumberland CCR Documents (Stilling Pond)
Surface Impoundment - Stilling Pond (including Retention Pond)
Closure - Post-Closure Plan
Alternative Closure
- No documents at this time.
Closure Plan
- 257-102(g)_NOI to Initiate Closure_CUF_Stilling Pond (pdf, 281 KB)
- 257-102(b)_Written Closure Plan_CUF_Stilling Pond (including Retention Pond) (pdf, 329 KB)
Post-Closure Plan
Retrofitting
- No documents at this time.
Design Criteria
Emergency Action Plan
- 257-73(a)(3)_Most Recent Emergency Action Plan_CUF_ Stilling Pond (including-retention-pond) 2024 (pdf, 17989 KB)
- 257-73(a)(3)(i)(E) _Annual Face-to-Face meeting_CUF_Stilling Pond (including Retention Pond) 2024 (pdf, 2366 KB)
- 257-73(a)(3)(i)(E) _Annual Face-to-Face meeting_CUF_Stilling Pond (including Retention Pond) 2023 (pdf, 179 KB)
- 257-73(a)(3)(i)(E) _Annual Face-to-Face meeting_CUF_Stilling Pond (including Retention Pond) 2022 (pdf, 645 KB)
- 257-73(a)(3)(i)(E) _Annual Face-to-Face meeting_CUF_Stilling Pond (including Retention Pond) 2021 (pdf, 187 KB)
- 257-73(a)(3)(i)(E) _Annual Face-to-Face meeting_CUF_Stilling Pond (including Retention Pond) 2020 (pdf, 197 KB)
- 257-73(a)(3)(i)(E) _Annual Face-to-Face meeting_CUF_Stilling Pond (including Retention Pond) 2019r1 (pdf, 181 KB)
- 257-73(a)(3)(i)(E) _Annual Face-to-Face meeting_CUF_Stilling Pond (including Retention Pond) (pdf, 239 KB)
Hazard Potential Classification
- 257-73(a)(2)_Periodic Hazard Potential Classification_CUF_Stilling Pond (including Retention Pond) 2021 - Final (pdf, 741 KB)
- 257-73(a)(2)_Hazard Potential Classification_CUF_Stilling Pond (including Retention Pond) (pdf, 1826 KB)
History of Construction
Liner Design
Marker
- No documents at this time.
Safety Factor
- 257-73(e)_Seismic Safety Factor_CUF Stilling Pond (Including Retention Pond) (pdf, 2020 KB)
- 257-73(e)_Periodic Static Safety Factor_CUF_Stilling Pond (including Retention Pond) 2021 - Final (pdf, 1515 KB)
- 257-73(e)_Periodic Seismic Safety Factor_CUF_Stilling Pond (including Retention Pond) 2021 - Final (pdf, 1198 KB)
- 257-73(e) _Safety Factor_CUF_Stilling Pond (including Retention Pond) (pdf, 3444 KB)
Structural Stability
- 257-73(d)_Structural Stability_CUF_Stilling Pond (including Retention Pond) (pdf, 12893 KB)
- 257-73(d)_Periodic Structural Stability_CUF_Stilling Pond (including Retention Pond) 2021 - Final (pdf, 7681 KB)
Groundwater Monitoring
Annual Groundwater Report
- 257-90(e)_Annual Groundwater Monitoring Report_CUF_Stilling Pond (including Retention Pond) (pdf, 3021 KB)
- 257.90(e)_Annual_Groundwater_Monitoring_Report_CUF_Stilling_Pond_Including_Retention_Pond_2023 (pdf, 13959 KB)
- 257.90(e)_Annual_Groundwater_Monitoring_Report_CUF_Stilling_Pond_Including_Retention_Pond_2022 (pdf, 9087 KB)
- 257.90(e)_Annual_Groundwater_Monitoring_Report_CUF_Stilling_Pond_Including_Retention_Pond_2021 (pdf, 6964 KB)
- 257.90(e)_Annual Groundwater Monitoring Report_CUF_Stilling Pond Including Retention Pond 2020 (pdf, 5236 KB)
- 257.90(e)_Annual Groundwater Monitoring Report_CUF_Stilling Pond (including Retention Pond)_2019 (pdf, 1746 KB)
- 257.90(e)_Annual Groundwater Monitoring Report_CUF_Stilling Pond (including Retention Pond)_2018 (pdf, 4719 KB)
Assessment Monitoring
- TVA NOTICE OF ESTABLISHMENT OF AN ASSESSMENT MONITORING PROGRAM CUF STILLING POND (pdf, 174 KB)
- 257-95(g)_notification_appiv_gwps_exceed_CUF_stilling_pond_year_end_2024 (pdf, 282 KB)
- 257-95(g)_notification_appiv_gwps_exceed_CUF_stilling_pond_year_end_2023 (pdf, 191 KB)
- 257-95(g)_notification_appiv_gwps_exceed_CUF_stilling_pond_midyear_2024 (pdf, 186 KB)
- 257-95(g)_notification_appiv_gwps_exceed_CUF_stilling_pond_midyear_2023 (pdf, 167 KB)
- 257-95(g)_notification_appiv_gwps_exceed_CUF_stilling_pond_including_retention_pond_2022 End of Year (pdf, 168 KB)
- 257-95(g)_notification_appiv_gwps_exceed_CUF_stilling_pond_including_retention_pond_2022 (pdf, 167 KB)
- 257-95(g)_Notification AppIV GWPS Midyear Update_CUF_Stilling Pond (including Retention Pond)_2021 (pdf, 151 KB)
- 257_95(g)_Notification AppIV GWPS Midyear Update_CUF_Stilling Pond (including Retention Pond)_2020 (pdf, 167 KB)
- 257_95(g)_Notification AppIV GWPS Exceed_CUF_Stilling Pond (including Retention Pond) (pdf, 128 KB)
- 257_95(g)_Notification AppIV GWPS Annual Update_CUF_Stilling Pond (including Retention Pond) (pdf, 146 KB)
Corrective Measures
- 257-96(d)_Corrective Measures Assessment_CUF_Stilling Pond (including Retention Pond) (pdf, 15794 KB)
- 257-95(g)(5)_Corrective Measures Notification_CUF_Stilling Pond (including Retention Pond) (pdf, 57 KB)
- 257.97(a)_2025_11th_Semiannual_Progress_Report_CUF_Stilling_Pond_Including_Retention_Pond (pdf, 8764 KB)
- 257.97(a)_2024_9th_Semiannual_Progress_Report_CUF_Stilling_Pond_Including_Retention_Pond (pdf, 5356 KB)
- 257.97(a)_2024_10th_Semiannual_Progress_Report_CUF_Stilling_Pond_Including_Retention_Pond (pdf, 6578 KB)
- 257.97(a)_2023_8th_Semiannual_Progress_Report_CUF_Stilling_Pond_Including_Retention_Pond (pdf, 4661 KB)
- 257.97(a)_2023_7th_Semiannual_Progress_Report_CUF_Stilling_Pond_Including_Retention_Pond (pdf, 4625 KB)
- 257.97(a)_2022_6th_Semiannual_Progress_Report_CUF_Stilling_Pond_Including_Retention_Pond (pdf, 3156 KB)
- 257.97(a)_2022_5th_Semiannual_Progress_Report_CUF_Stilling_Pond_Including_Retention_Pond (pdf, 2542 KB)
- 257.97(a)_2021_4th Semiannual Progress Report_CUF_Stilling Pond (including Retention Pond) (pdf, 3964 KB)
- 257.97(a)_2021_3rd Semiannual Progress Report_CUF_Stilling Pond (including Retention Pond) (pdf, 3381 KB)
- 257.97(a)_2020_2nd Semiannual Progress Report _CUF_Stilling_Pond (including Retention Pond) (pdf, 3341 KB)
- 257.97(a)_2020_1st Semiannual Progress Report 1_CUF_Stilling Pond (including Retention Pond) (pdf, 1686 KB)
Detection Monitoring
- No documents at this time.
Groundwater Instrumentation
- 257-93(f)(6)_Statistical_Method_Cert_CUF_Stilling Pond (Including Retention Pond)_Rev 1 (2022) (pdf, 266 KB)
- 257-93(f)(6)_Statistical Method Cert_CUF_Stilling Pond (Including Retention Pond) (pdf, 196 KB)
- 257-91(f)_GW Monitoring System Cert_CUF_Stilling Pond (Including Retention Pond) (pdf, 390 KB)
Location Restrictions
Fault Areas
Placement Above the Uppermost Aquifer
- 257-60_Aquifer_CUF_Stilling Pond (including Retention Pond) (pdf, 6490 KB)
Seismic Impact Zones
Unstable Areas
Wetlands
- 257-61_Wetlands_CUF_Stilling Pond (including Retention Pond) (pdf, 2828 KB)
Operating Criteria
Air Criteria
- 257-80(c)_Annual Fugitive Dust Control Report_CUF_Stilling Pond (including Retention Pond) 2024 (pdf, 108 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_CUF_Stilling Pond (including Retention Pond) 2023 (pdf, 107 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_CUF_Stilling Pond (including Retention Pond) 2022 (pdf, 108 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_CUF_Stilling Pond (including Retention Pond) 2021 (pdf, 108 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_CUF_Stilling Pond (including Retention Pond) 2020 (pdf, 286 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_CUF_Stilling Pond (including Retention Pond) 2019 (pdf, 108 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_CUF_Stilling Pond (including Retention Pond) 2018 (pdf, 20 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_CUF_Stilling Pond (including Retention Pond) 2017 (pdf, 20 KB)
- 257-80(c)_Annual Fugitive Dust Control Report_CUF_Stilling Pond (including Retention Pond) (pdf, 20 KB)
- 257-80(b)_Fugitive Dust Control Plan_CUF_Stilling Pond (including Retention Pond) 2017 (pdf, 116 KB)
Inflow Design Flood Controls
- 257-82(c)_Periodic Inflow Design Flood Controls_CUF_Stilling Pond (including Retention Pond) 2021 - Final (pdf, 4021 KB)
- 257-82(c)_Inflow Design Flood Controls_CUF_Stilling Pond (including Retention Pond) (pdf, 6776 KB)
Inspection Requirements
- 257-84(b)(2)_Annual Inspection Report_CUF_Stilling Ponds (including Retention Pond) 2020 (pdf, 5392 KB)
- 257-84(b)(2)_Annual Inspection Report_CUF_Stilling Ponds (including Retention Pond) 2019 (pdf, 5638 KB)
- 257-84(b)(2)_Annual Inspection Report_CUF_Stilling Ponds (including Retention Pond) 2018 (pdf, 22878 KB)
- 257-84(b)(2)_Annual Inspection Report_CUF_Stilling Ponds (including Retention Pond) 2017 (pdf, 66100 KB)
- 257-83(b)(2)_Inspection Report_CUF_Stilling Pond (including Retention Pond) 2016.2 (pdf, 22561 KB)
- 257-83(b)(2)_Inspection Report_CUF_Stilling Pond (including Retention Pond) 2016 (pdf, 25612 KB)
- 257-83(b)(2)_Inspection Report_CUF_Stilling Pond (including Retention Pond) (pdf, 17980 KB)
- 257-83(b)(2)_Annual Inspection Report_CUF_Stilling Ponds (including Retention Pond) 2024 (pdf, 8827 KB)
- 257-83(b)(2)_Annual Inspection Report_CUF_Stilling Ponds (including Retention Pond) 2023 (pdf, 12292 KB)
- 257-83(b)(2)_Annual Inspection Report_CUF_Stilling Ponds (including Retention Pond) 2022 (pdf, 4963 KB)
- 257-83(b)(2)_Annual Inspection Report_CUF_Stilling Ponds (including Retention Pond) 2021 (pdf, 17333 KB)
Cumberland CCR Rule Groundwater Monitoring Documents
Cumberland Groundwater Monitoring Fact Sheet
Cumberland Gypsum Storage Area Groundwater Monitoring Report
2019 Cumberland Assessment of Corrective Measures Report
Semiannual Report on Progress of Remedy Selection Fact Sheet
2020 Cumberland First Semiannual Multi-unit Report
More Information
For more information on EPA's CCR Rule environmental studies and activities at other TVA Fossil Plants, visit here.
Contact Us
If you have any questions related to coal ash (CCR), please email [email protected].