Stanton Station
Closure of the Bottom Ash Surface Impoundment was completed in July of 2020. Following completion of closure, the Bottom Ash Surface Impoundment is being monitored in accordance with the Post-Closure Care Plan. In alignment with a plan applicability review, some of the Design Criteria and Operating Criteria are related to operation of active CCR units and are no longer applicable.
Location Restrictions
Design Criteria
- Documentation of Liner Type
- Initial Hazard Potential Classification Assessment (not applicable after closure)
- Emergency Action Plan (not applicable)
- Documentation Recording the Face-to-Face Meeting or Exercise with Local Emergency Responders (not applicable)
- History of Construction
- Initial Structural Stability Assessment (not applicable after closure)
- Documentation of Corrective Measures Relating to Structural Stability Assessment (not applicable)
- Initial Safety Factor Assessment (not applicable after closure)
- Design and Construction Plans for New or Lateral Expansion of CCR Unit (not applicable)
Operating Criteria (not applicable after closure)
- Annual PE Inspection Reports
- Fugitive Dust Control
- Release Corrective Measures
- Inital Run-on and Run-off Control System Plan (not applicable)
- Initial Inflow Design Flood Control System Plan
Groundwater Monitoring & Corrective Action
- Annual Report
- Certifications
- Notifications
- Notification that an Assessment Monitoring Program has been Established
- Appendix IV Constituent SSL Detection Q4 2024
- Notification of Initiation of Assessment of Corrective Measures
- Appendix IV Constituent SSL Detection Q1 2025
- Assessment of Corrective Measures Report
- Appendix IV Constituent SSL Detection Q2 2025
- Notification to Land Owners
- Conclusion of Assessment of Corrective Measures
Closure and Post-Closure Care
- Initial Closure Plan
- Amended Closure Plan
- Notification of Intent to Close CCR Unit
- Notification of Completion of CCR Unit Closure
- Notification of Recorded Deed Notation
- Demonstration(s) for a Time Extension for Completing Closure
- Notification of Intent to Comply with the Alternative Closure Requirements
- Initial Post-Closure Care Plan
- Amended Post-Closure Care Plan
Retrofit (not applicable)
- Initial Retrofit Plan
- Notification of Intent to Retrofit CCR Unit