Winyah
Winyah has 5 ponds and 1 landfill subject to elements of the CCR Rule. Included in these is the Winyah Unit 2 Slurry pond which was certified closed by removal on November 9, 2017.
Ash Pond A
Click below to expand each section to get to specific documents.
- 257.71(a) - Liner Design Certification
- 257.73(a)(2) - Hazard Potential Classification
- 257.73(c) - Owner to document history of construction & any revisions
- 257.73(d) - Initial and periodic structural stability assessments
- 257.73(d)(2) - Corrective measures for deficiency or release
- Only required if a deficiency or release occurs.
- 257.73(e) - Initial and periodic factor of safety assessments
- 257.80(b) - Fugitive Dust Control Plan
- 257.80(c) - Annual fugitive dust control report
- 257.82(c) - Initial and periodic inflow design flood control plan
- 257.83(b)(2) - PE report of annual inspection of existing ponds
- January 2016
- October 2017 (One year from date of quinquennial structural stability assessment)
- October 2018
- October 2019
- October 2020
- 257.83(b)(5) - PE documents any EP deficiency or release found during inspection and documents remedies.
- 257.90(e) - Annual GW monitoring and Corrective Action report
- 257.91(f) - PE certifies GW systems meets requirements
- 257.93 (f)(6) - PE certifies statistical method is appropriate for CCR management area
- 257.94(e)(3) - Owner prepares notification when assessment monitoring is established
- 257.95(e) - Owner prepares notification to resume detection monitoring if results for Appendix 3 & 4 are below background
- as needed
- 257.95(g) - Prepare notification if appendix IV parameters are exceeded & initiate assessment of corrective measures
- 257.95(g)(5) - Owner prepares notice if assessment of CORRECTIVE measures is required. If an unlined EP, then close or retrofit per §257.101(a)
- 257.97(a) - Semi-annual progress reports selecting remedy, and final report with demonstration
- 257.98(e) - Prepare notification remedy is complete
- Demonstration to be completed as needed.
- 257.102(b) - Written closure plan to close CCR unit at any point in life of unit
- 257.102(f)(2)(iii) & (i) - Demonstration + owner certification for time extension to complete closure (EL = 6mo, EP = 5 years)
- Demonstration to be complete prior to end of 2yr period.
- 257.102(g) - Notice of intent to close CCR unit with PE certification of final cover if closed in place.
- Demonstration to be complete at initiation of closure
- 257.102(h) - Notice closure is complete with PE certification
- Demonstration to be complete within 30 days of completion.
- 257.102(i) - Notice deed notation was recorded for units closed in place.
- Demonstration to be complete within 30 days of completion.
- 257.103(c)(1) - Notice of intent for alternative closure if required to close under 257.101 (a)(b) or (d)
- Demonstration to be complete within 6 months of requirement
- 257.103(c)(2) - Annual progress under alternative closure
- Demonstration to be complete in 13 months after NOI
- 257.104(d) - Written post-closure plan and any amendments
- Demonstration to be complete by 10/17/2016 or before waste
- 257.104(e) - Notification post-closure is complete
- Demonstration to be complete within 60 day
- 257.102(k)(2) - Written retrofit plan and any amendments
- 257.103 - Notice of intent retrofit will proceed according to alternative procedures & Annual progress reports for alternative requirements
- 257.102(k)(3) - Written demonstration with certification for time extension to complete retrofit
- 257.102(k)(5) - Notice of intent to initiate retrofit by Owner
- 257.102(k)(6) - Notice of completion of retrofit
Ash Pond B
Click below to expand each section to get to specific documents.
- 257.71(a) - Liner Design Certification
- 257.73(a)(2) - Hazard Potential Classification
- 257.73(c) - Owner to document history of construction & any revisions
- 257.73(d) - Initial and periodic structural stability assessments
- 257.73(d)(2) - Corrective measures for deficiency or release
- Only required if a deficiency or release occurs.
- 257.73(e) - Initial and periodic factor of safety assessments
- 257.80(b) - Fugitive Dust Control Plan
- 257.80(c) - Annual fugitive dust control report
- 257.82(c) - Initial and periodic inflow design flood control plan
- 257.83(b)(2) - PE report of annual inspection of existing ponds
- January 2016
- October 2017 (One year from date of quinquennial structural stability assessment)
- October 2018
- October 2019
- October 2020
- 257.83(b)(5) - PE documents any EP deficiency or release found during inspection and documents remedies.
- 257.90(e) - Annual GW monitoring and Corrective Action report
- 257.91(f) - PE certifies GW systems meets requirements
- 257.93 (f)(6) - PE certifies statistical method is appropriate for CCR management area
- 257.94(e)(3) - Owner prepares notification when assessment monitoring is established
- 257.95(e) - Owner prepares notification to resume detection monitoring if results for Appendix 3 & 4 are below background
- as needed
- 257.95(g) - Prepare notification if appendix IV parameters are exceeded & initiate assessment of corrective measures
- 257.95(g)(5) - Owner prepares notice if assessment of CORRECTIVE measures is required. If an unlined EP, then close or retrofit per §257.101(a)
- 257.97(a) - Semi-annual progress reports selecting remedy, and final report with demonstration
- 257.98(e) - Prepare notification remedy is complete
- Demonstration to be completed as needed.
- 257.102(b) - Written closure plan to close CCR unit at any point in life of unit
- 257.102(f)(2)(iii) & (i) - Demonstration + owner certification for time extension to complete closure (EL = 6mo, EP = 5 years)
- Demonstration to be complete prior to end of 2yr period.
- 257.102(g) - Notice of intent to close CCR unit with PE certification of final cover if closed in place.
- Demonstration to be complete at initiation of closure
- 257.102(h) - Notice closure is complete with PE certification
- Demonstration to be complete within 30 days of completion.
- 257.102(i) - Notice deed notation was recorded for units closed in place.
- Demonstration to be complete within 30 days of completion.
- 257.103(c)(1) - Notice of intent for alternative closure if required to close under 257.101 (a)(b) or (d)
- Demonstration to be complete within 6 months of requirement
- 257.103(c)(2) - Annual progress under alternative closure
- Demonstration to be complete in 13 months after NOI
- 257.104(d) - Written post-closure plan and any amendments
- Demonstration to be complete by 10/17/2016 or before waste
- 257.104(e) - Notification post-closure is complete
- Demonstration to be complete within 60 days of co
- 257.102(k)(2) - Written retrofit plan and any amendments
- 257.103 - Notice of intent retrofit will proceed according to alternative procedures & Annual progress reports for alternative requirements
- 257.102(k)(3) - Written demonstration with certification for time extension to complete retrofit
- 257.102(k)(5) - Notice of intent to initiate retrofit by Owner
- 257.102(k)(6) - Notice of completion of retrofit
South Ash Pond
Click below to expand each section to get to specific documents.
- 257.71(a) - Liner Design Certification
- 257.73(a)(2) - Hazard Potential Classification
- 257.73(c) - Owner to document history of construction & any revisions
- 257.73(d) - Initial and periodic structural stability assessments
- 257.73(d)(2) - Corrective measures for deficiency or release
- Only required if a deficiency or release occurs.
- 257.73(e) - Initial and periodic factor of safety assessments
- 257.80(b) - Fugitive Dust Control Plan
- 257.80(c) - Annual fugitive dust control report
- 257.82(c) - Initial and periodic inflow design flood control plan
- 257.83(b)(2) - PE report of annual inspection of existing ponds
- January 2016
- October 2017 (One year from date of quinquennial structural stability assessment)
- October 2018
- October 2019
- October 2020
- 257.83(b)(5) - PE documents any EP deficiency or release found during inspection and documents remedies.
- 257.90(e) - Annual GW monitoring and Corrective Action report
- 257.91(f) - PE certifies GW systems meets requirements
- 257.93 (f)(6) - PE certifies statistical method is appropriate for CCR management area
- 257.94(e)(3) - Owner prepares notification when assessment monitoring is established
- 257.95(e) - Owner prepares notification to resume detection monitoring if results for Appendix 3 & 4 are below background
- as needed
- 257.95(g) - Prepare notification if appendix IV parameters are exceeded & initiate assessment of corrective measures
- as needed
- 257.95(g)(5) - Owner prepares notice if assessment of CORRECTIVE measures is required. If an unlined EP, then close or retrofit per §257.101(a)
- as needed
- 257.102(b) - Written closure plan to close CCR unit at any point in life of unit
- 257.102(f)(2)(iii) & (i) - Demonstration + owner certification for time extension to complete closure (EL = 6mo, EP = 5 years)
- Demonstration to be complete prior to end of 2yr period.
- 257.102(g) - Notice of intent to close CCR unit with PE certification of final cover if closed in place.
- Demonstration to be complete at initiation of closure
- 257.102(h) - Notice closure is complete with PE certification
- Demonstration to be complete within 30 days of completion.
- 257.102(i) - Notice deed notation was recorded for units closed in place.
- Demonstration to be complete within 30 days of completion.
- 257.103(c)(1) - Notice of intent for alternative closure if required to close under 257.101 (a)(b) or (d)
- Demonstration to be complete within 6 months of requirement
- 257.103(c)(2) - Annual progress under alternative closure
- Demonstration to be complete in 13 months after NOI
- 257.104(d) - Written post-closure plan and any amendments
- Demonstration to be complete by 10/17/2016 or before waste
- 257.104(e) - Notification post-closure is complete
- Demonstration to be complete within 60 day
- 257.102(k)(2) - Written retrofit plan and any amendments
- 257.103 - Notice of intent retrofit will proceed according to alternative procedures & Annual progress reports for alternative requirements
- 257.102(k)(3) - Written demonstration with certification for time extension to complete retrofit
- 257.102(k)(5) - Notice of intent to initiate retrofit by Owner
- 257.102(k)(6) - Notice of completion of retrofit
Slurry Pond 2: Certified closed by removal on 11/9/2017.
The Unit 2 Slurry Pond was an inactive surface impoundment under the CCR Rule. It was closed by removal of CCR material and CCR-contact soil under a SC DHEC approved closure plan on 11/9/2017.
Click below to expand each section to get to specific documents.
- 257.60(a) - base of waste 5' above aquifer OR no hydraulic connection with uppermost aquifer
- 257.61(a) - not located in wetlands (232.2) or meet alternate demonstration per (a)(1-5)
- 257.62(a) - Fault areas - not within 200 ft of outermost damage zone
- 257.63(a) - not in seismic impact zone or meet alternate demonstration
- 257.64(a) - not in unstable are or meet alternate demonstration
The Slurry Pond 2 was certified closed by removal on 11/9/2017, these demonstrations are no longer necessary.
- 257.71(a) - Liner Design Certification
- 257.73(a)(2) - Hazard Potential Classification
- 257.73(a)(3) - EAP for high or significant hazard ponds
- 257.73(a)(3)(i)( E) - Annual EAP exercises
- 257.73(a)(3)(v) - Document all activation of EAP
- 257.73( c) - Owner to document history of construction & any revisions
- 257.73( d) - Initial and periodic structural stability assessments
- 257.73( d)(2) - Corrective measures for deficiency or release
- Only required if a deficiency or release occurs.
- 257.73( e) - Initial and periodic factor of safety assessments
The Slurry Pond 2 was certified closed by removal on 11/9/2017, these demonstrations are no longer necessary.
- 257.80(b) - Fugitive Dust Control Plan
- 257.80(c) - Annual fugitive dust control report
- 257.82(c) - Initial and periodic inflow design flood control plan
- 257.83(b)(2) - PE report of annual inspection of existing ponds - first annual report due July 19, 2017 per CCR Extension Rule for inactive CCR impoundments, 40 CFR 257.100(e)(4)(iv)
- 257.83(b)(5) - PE documents any EP deficiency or release found during inspection and documents remedies.
The Slurry Pond 2 was certified closed by removal on 11/9/2017, these demonstrations are no longer necessary.
- 257.90( e) - Annual GW monitoring and Corrective Action report
- 257.91(f) - PE certifies GW systems meets requirements
- 257.93 (f)(6) - PE certifies statistical method is appropriate for CCR management area
- 257.94(e)(3) - Owner prepares notification when assessment monitoring is established
- 257.95(e) - Owner prepares notification to resume detection monitoring if results for Appendix 3 & 4 are below background
- 257.95(g) - Prepare notification if appendix IV parameters are exceeded & initiate assessment of corrective measures
- 257.95(g)(5) - Owner prepares notice if assessment of CORRECTIVE measures is required. If an unlined EP, then close or retrofit per §257.101(a)
After closure of the Unit 2 Slurry Pond, a new Class 3 Landfill was permitted and constructed within the same footprint; the same location. Refer to the groundwater reports and associated documents in the Class 3 Landfill CCR website location which remains in detection monitoring due to a successful Alternate Source Demonstration. Assessment monitoring for the Unit 2 Slurry Pond is expected to commence December 2019.
- 257.100 (c)(1) - Notification of intent to initiate closure of an inactive CCR surface impoundment
- 257.102 (b) - Closure Plan
Slurry Pond 2 was certified closed by removal on 11/09/2017.
Class 3 Landfill
The Winyah Class 3 Landfill began operating November 1, 2018. The landfill is located in the footprint of the previous Unit 2 Slurry Pond.
Click below to expand each section to get to specific documents.
- 257.70(e) - Liner design certification
- 257.70(f) - Liner Construction certification
- 257.80(b) - Fugitive Dust Control Plan
- 257.80(c) - Annual fugitive dust control report
- 257.81(c) - Initial and periodic run-on and run-off control plans
- 257.84(b)(2) - PE report of annual inspection of existing landfills
-
257.84(b)(5) - PE documents any EL deficiency or release found during inspection and documentsremedies.
- Documentation as required
- 257.90(e) - Annual GW monitoring and Corrective Action report
- 257.91(f) - PE certifies GW systems meets requirements
- 257.93 (f)(6) - PE certifies statistical method is appropriate for CCR management area
- 257.94(e)(3) - Owner prepares notification when assessment monitoring is established
- Demonstration to be completed as needed.
- 257.95(e) - Owner prepares notification to resume detection monitoring if results for Appendix 3 & 4 are below background
- Demonstration to be completed as needed.
- 257.95(g) - Prepare notification if appendix IV parameters are exceeded
- Demonstration to be completed as needed.
- 257.95(g)(5) - Owner prepares notice if assessment of corrective measures is required.
- Demonstration to be completed as needed.
- 257.96(d) - Post Completed assessment of corrective measures
- Demonstration to be completed as needed.
- 257.97(a) - Semi-annual progress reports selecting remedy, and final report with demonstration
- Demonstration to be completed as needed.
- 257.98(e) - Prepare notification remedy is complete
- Demonstration to be comp
- 257.102(b) - Written closure plan to close CCR unit at any point in life of unit
- 257.102(e)(2)(ii) & (iii) - Demonstration + owner certification for time extension to initiate closure if idle for 2 years
- Demonstration to be complete prior to end of 2yr period.
- 257.102(f)(2)(i) & (iii) - Demonstration + owner certification for time extension to complete closure
- Demonstration to be complete prior to end of 1yr extension
- 257.102(g) - Notice of intent to close CCR unit with PE certification of final cover if closed in place.
- Demonstration to be complete at initiation of closure
- 257.102(h) - Notice closure is complete with PE certification
- Demonstration to be complete within 30 days of completion.
- 257.102(i) - Notice deed notation was recorded for units closed in place.
- Demonstration to be complete within 30 days of completion.
- 257.103(c)(2) - Annual progress under alternative closure
- Demonstration to be complete in 13 months after NOI
- 257.104(d) - Written post-closure plan and any amendments
- 257.104(e) - Notification post-closure is complete
- Demonstration to be complete within 60 days of
Slurry Pond 3 & 4
Click below to expand each section to get to specific documents.
- 257.71(a) - Liner Design Certification
- 257.73(a)(2) - Hazard Potential Classification
- 257.73(a)(3) - EAP for high or significant hazard ponds
- 257.73(a)(3)(i)(E) - Annual EAP exercises
- 257.73(a)(3)(v) - Document all activation of EAP
- As needed
- 257.73(c) - Owner to document history of construction & any revisions
- 257.73(d) - Initial and periodic structural stability assessments
- 257.73(d)(2) - Corrective measures for deficiency or release
- Only required if a deficiency or release occurs.
- 257.73(e) - Initial and periodic factor of safety asses
- 257.80(b) - Fugitive Dust Control Plan
- 257.80(c) - Annual fugitive dust control report
- 257.82(c) - Initial and periodic inflow design flood control plan
- 257.83(b)(2) - PE report of annual inspection of existing ponds
- January 2016
- October 2017 (One year from date of quinquennial structural stability assessment)
- October 2018
- October 2019
- October 2020
- 257.83(b)(5) - PE documents any EP deficiency or release found during inspection and documents remedies.
- 257.90(e) - Annual GW monitoring and Corrective Action report
- 257.91(f) - PE certifies GW systems meets requirements
- 257.93 (f)(6) - PE certifies statistical method is appropriate for CCR management area
- 257.94(e)(3) - Owner prepares notification when assessment monitoring is established
- 257.95(e) - Owner prepares notification to resume detection monitoring if results for Appendix 3 & 4 are below background
- as needed
- 257.95(g) - Prepare notification if appendix IV parameters are exceeded & initiate assessment of corrective measures
- 257.95(g)(5) - Owner prepares notice if assessment of CORRECTIVE measures is required. If an unlined EP, then close or retrofit per §257.101(a)
- 257.102(b) - Written closure plan to close CCR unit at any point in life of unit
- 257.102(f)(2)(iii) & (i) - Demonstration + owner certification for time extension to complete closure (EL = 6mo, EP = 5 years)
- Demonstration to be complete prior to end of 2yr period.
- 257.102(g) - Notice of intent to close CCR unit with PE certification of final cover if closed in place.
- Demonstration to be complete at initiation of closure
- 257.102(h) - Notice closure is complete with PE certification
- Demonstration to be complete within 30 days of completion.
- 257.102(i) - Notice deed notation was recorded for units closed in place.
- Demonstration to be complete within 30 days of completion.
- 257.103(c)(1) - Notice of intent for alternative closure if required to close under 257.101 (a)(b) or (d)
- Demonstration to be complete within 6 months of requirement
- 257.103(c)(2) - Annual progress under alternative closure
- Demonstration to be complete in 13 months after NOI
- 257.104(d) - Written post-closure plan and any amendments
- Demonstration to be complete by 10/17/2016 or before waste
- 257.104(e) - Notification post-closure is complete
- Demonstration to be complete within 60 day
- 257.102(k)(2) - Written retrofit plan and any amendments
- 257.103 - Notice of intent retrofit will proceed according to alternative procedures & Annual progress reports for alternative requirements
- 257.102(k)(3) - Written demonstration with certification for time extension to complete retrofit
- 257.102(k)(5) - Notice of intent to initiate retrofit by Owner
- 257.102(k)(6) - Notice of completion of retrofit