Winyah

Winyah Station

Winyah has 5 ponds subject to the CCR Rule. 

Ash Pond A

Click below to expand each section to get to specific documents.

  • 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.

  • 257.102(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

  • 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.

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.

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)

The Slurry Pond 2 was certified closed by removal on 11/9/2017, these demonstrations are no longer necessary.


Slurry Pond 2 was certified closed by removal on 11/09/2017.

Slurry Pond 3 & 4

Click below to expand each section to get to specific documents.

  • 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  

Class 3 Landfill

Click below to expand each section to get to specific documents.

  • 257.90(e) - Annual GW monitoring and Corrective Action report
    • Demonstration to be completed by 1/31 in the year following the year the system is installed
  • 257.91(f) - PE certifies GW systems meets requirements
  • 257.93 - 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

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