PacifiCorp
Dave Johnston Plant
Dave Johnston Expansion Landfill
Location restrictions
Unstable areas
Operating criteria
CCR fugitive dust control plan
Annual Fugitive Dust Control Report
2016 Annual fugitive dust control report
2017 Annual fugitive dust control report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Run-on and run-off control plan
Annual engineering inspection reports
2015 Annual Inspection
2016 Annual Inspection
2017 Annual Inspection
2018 Annual Inspection
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Groundwater monitoring system certification
Statistical method certification
Notification of assessment monitoring program
Notification of return to detection monitoring program
Notification of Appendix IV exceedances
Notification of corrective measures assessment
Corrective measures assessment
Semi-annual corrective action report
Notification of completion of corrective action
Closure and post-closure care
Closure plan
Time extensions for initiating closure
Time extensions for completing closure
Notification of intent to close
Notification of completion of closure
Notification of intent to comply with alternative closure requirements
Annual progress reports for alternative closure
Notification recording a notation on property deed
Post-closure care plan
Notification of completion of post-closure care
Dave Johnston Ash Pond
Location restrictions
Fault areas
Placement above uppermost aquifer
Seismic impact zones
Unstable areas
Wetlands
Design criteria
Documentation of liner type
Hazard potential classification assessment
History of construction
Structural stability assessment
Safety factor assessment
Operating criteria
CCR Fugitive Dust Control Plan
Annual Fugitive Dust Control Report
2016 Annual fugitive dust control report
2017 Annual fugitive dust control report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Inflow design flood control system plan
Annual engineering inspection reports
2015 Annual Inspection
2016 Annual Inspection
2017 Annual Inspection
2018 Annual Inspection
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Corrective measures assessment
Groundwater monitoring system certification
Statistical method certification
Notification of assessment monitoring program
Notification of corrective measures assessment
Notification of Appendix IV exceedances
Initial Notification of Appendix IV Exceedance
1st Half 2019 Notification of Appendix IV Exceedance
Semi-annual corrective action report
Closure and post-closure care
Closure plan
Dave Johnston Unit 0 Pond
Design Criteria
Pre-Construction Liner Certification
AsBuilt Liner Certification
Hunter Plant
Hunter CCR Landfill
Location restrictions
Unstable areas
Operating criteria
CCR fugitive dust control plan
2016 Annual fugitive dust control report
2017 Annual fugitive dust control report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Run-on and run-off control plan
Annual engineering inspection reports
2015 Annual Inspection
2016 Annual Inspection
2017 Annual Inspection
2018 Annual Inspection
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Corrective measures assessment
Groundwater monitoring system certification
Statistical method certification
Notification of assessment monitoring program
Notification of return to detection monitoring program
Notification of Appendix IV exceedances
Initial Notification of Appendix IV Exceedance
1st Half 2019 Notification of Appendix IV Exceedance
Notification of corrective measures assessment
Semi-annual corrective action report
Notification of completion of corrective action
Closure and post-closure care
Closure plan
Time extensions for initiating closure
Time extensions for completing closure
Notification of intent to close
Notification of completion of closure
Notification of intent to comply with alternative closure requirements
Annual progress reports for alternative closure
Notification recording a notation on property deed
Post-closure care plan
Notification of completion of post-closure care
Huntington Plant
Huntington CCR Landfill
Location restrictions
Unstable areas
Operating criteria
CCR fugitive dust control plan
2016 Annual fugitive dust control report
2017 Annual fugitive dust control report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Run-on and run-off control plan
Annual engineering inspection reports
2015 Annual Inspection
2016 Annual Inspection
2017 Annual Inspection
2018 Annual Inspection
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Corrective measures assessment
Groundwater monitoring system certification
Statistical method certification
Notification of assessment monitoring program
Notification of return to detection monitoring program
Notification of Appendix IV exceedances
Initial Notification of Appendix IV Exceedance
1st Half 2019 Notification of Appendix IV Exceedance
Notification of corrective measures assessment
Corrective measures assessment
Semi-annual corrective action report
Notification of completion of corrective action
Closure and post-closure care
Closure plan
Time extensions for initiating closure
Time extensions for completing closure
Notification of intent to close
Notification of completion of closure
Notification of intent to comply with alternative closure requirements
Annual progress reports for alternative closure
Notification recording a notation on property deed
Post-closure care plan
Notification of completion of post-closure care
Jim Bridger Plant
Jim Bridger Industrial Landfill
Location restrictions
Unstable areas
Operating criteria
CCR fugitive dust control plan
Annual fugitive dust control report
2016 Annual fugitive dust control report
2017 Annual fugitive dust control report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Run-on and run-off control plan
Annual engineering inspection reports
2015 Annual Inspection
2016 Annual Inspection
2017 Annual Inspection
2018 Annual Inspection
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Groundwater monitoring system certification
Statistical method certification
Notification of assessment monitoring program
Notification of return to detection monitoring program
Notification of Appendix IV exceedances
Notification of corrective measures assessment
Corrective measures assessment
Semi-annual corrective action report
Notification of completion of corrective action
Closure and post-closure care
Closure plan
Time extensions for initiating closure
Time extensions for completing closure
Notification of intent to initiate closure
Notification of completion of closure
Notification of intent to comply with alternative closure requirements
Annual progress reports for alternative closure
Notification recording a notation on property deed
Post-closure care plan
Notification of completion of post-closure care
Jim Bridger FGD Pond 2
Location restrictions
Placement above the uppermost aquifer
Wetlands
Fault areas
Seismic impact zones
Unstable areas
Design criteria
Documentation of liner type
Hazard potential classification assessment
Emergency action plan (EAP)
Documentation of annual EAP meeting
2017 Annual EAP Meeting notification
2018 Annual EAP Meeting notification
2019 Annual EAP Meeting notification
Documentation of EAP activation
History of construction
Structural stability assessment
Structural stability remedial action plans
Safety factor assessment
Operating criteria
CCR fugitive dust control plan
Annual fugitive dust control report
2016 Annual fugitive dust control report
2017 Annual fugitive dust control report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Inflow design flood control system plan
Annual engineering inspection reports
2015 Annual Inspection
2016 Annual Inspection
2017 Annual Inspection
2018 Annual Inspection
Remediation plans for deficiencies
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Groundwater monitoring system certification
Statistical method certification
Notification of assessment monitoring program
Notification of return to detection monitoring program
Notification of Appendix IV exceedances
Notification of corrective measures assessment
Corrective measures assessment
Semi-annual corrective action report
Notification of completion of corrective action
Closure and post-closure care
Closure plan
Time extensions for initiating closure
Time extensions for completing closure
Notification of intent to close
Notification of completion of closure
Notification of intent to comply with alternative closure requirements
Annual progress reports for alternative closure
Notification recording a notation on property deed
Post-closure care plan
Notification of completion of post-closure care
Jim Bridger FGD Pond 1
Closure and post-closure care
Notification of intent to initiate closure
Notification of completion of closure
Closure Plan
Post Closure Plan
Operating criteria
CCR fugitive dust control plan
Annual engineering inspection reports
Annual Inspection Discontinuation Letter
2017 Annual fugitive dust control report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Inflow design flood control
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Corrective Measures Assessment
Corrective Measures Assessment
Corrective Measures Assessment Extension
Groundwater monitoring system certification
Statistical method certification
Notification of assessment monitoring program
Notification of Appendix IV exceedances
Initial Notification of Appendix IV Exceedance
1st Half 2019 Notification of Appendix IV Exceedance
Notification of corrective measures assessment
Notification of potential presence of CCR constituents to landowner
BLM Notification
Anadarko Notification
Semi-annual corrective action report
Design Criteria
Hazard potential classification
History of Construction
Liner Type
Safety Factor Assessment
Structural Stability Assessment
Naughton Plant
Naughton North Ash Pond
Location restrictions
Placement above the uppermost aquifer
Wetlands
Fault areas
Seismic impact zones
Unstable areas
Design criteria
Documentation of liner type
Hazard potential classification assessment
Emergency action plan (EAP)
Documentation of annual EAP meeting
2019 Documentation of annual EAP meeting
2018 Documentation of annual EAP meeting
2017 Documentation of annual EAP meeting
Documentation of EAP activation
History of construction
Structural stability assessment
Structural stability remedial action plans
Safety factor assessment
Operating criteria
CCR fugitive dust control plan
Annual Fugitive Dust Control Report
2016 Annual fugitive dust control report
2017 Annual fugitive dust control report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Inflow design flood control system plan
Annual engineering inspection reports
2015 Annual Inspection
2016 Annual Inspection
2017 Annual Inspection
2018 Annual Inspection
Remediation plans for deficiencies
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Groundwater monitoring system certification
Statistical method certification
Notification of assessment monitoring program
Notification of return to detection monitoring program
Notification of Appendix IV exceedances
Notification of corrective measures assessment
Corrective measures assessment
Semi-annual corrective action report
Notification of completion of corrective action
Closure and post-closure care
Closure plan
Time extensions for initiating closure
Time extensions for completing closure
Notification of intent to close
Notification of completion of closure
Notification of intent to comply with alternative closure requirements
Annual progress reports for alternative closure
Notification recording a notation on property deed
Post-closure care plan
Notification of completion of post-closure care
Retrofit
Retrofit plan
Notification of intent to comply with alternative retrofit requirements
Annual progress reports for alternative retrofit requirements
Time extensions for completing retrofit activities
Notification of intent to retrofit a CCR unit
Notification of completion of retrofit activities
Naughton South Ash Pond
Location restrictions
Placement above the uppermost aquifer
Wetlands
Fault areas
Seismic impact zones
Unstable areas
Design criteria
Documentation of liner type
Hazard potential classification assessment
Emergency action plan (EAP)
Documentation of annual EAP meeting
2019 Documentation of annual EAP meeting
2018 Documentation of annual EAP meeting
2017 Documentation of annual EAP meeting
Documentation of EAP activation
History of construction
Structural stability assessment
Structural stability remedial action plans
Safety factor assessment
Operating criteria
CCR fugitive dust control plan
Annual Fugitive Dust Control Report
2016 Annual fugitive dust control report
2017 Annual fugitive dust control report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Inflow design flood control system plan
Annual engineering inspection reports
2015 Annual Inspection
2016 Annual Inspection
2017 Annual Inspection
2018 Annual Inspection
Remediation plans for deficiencies
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Corrective Measures Assessment
Corrective Measures Assessment
Corrective Measures Assessment Extension
Groundwater monitoring system certification
Statistical method certification
Notification of assessment monitoring program
Notification of return to detection monitoring program
Notification of Appendix IV exceedances
Initial Notification of Appendix IV Exceedance
1st Half 2019 Notification of Appendix IV Exceedance
Notification of corrective measures assessment
Semi-annual corrective action report
Notification of completion of corrective action
Closure and post-closure care
Closure plan
Time extensions for initiating closure
Time extensions for completing closure
Notification of intent to close
Notification of completion of closure
Notification of intent to comply with alternative closure requirements
Annual progress reports for alternative closure
Notification recording a notation on property deed
Post-closure care plan
Notification of completion of post-closure care
Retrofit
Retrofit plan
Notification of intent to comply with alternative retrofit requirements
Annual progress reports for alternative retrofit requirements
Time extensions for completing retrofit activities
Notification of intent to retrofit a CCR unit
Notification of completion of retrofit activities
Naughton FGD Pond 4
Location restrictions
Placement above the uppermost aquifer
Wetlands
Fault areas
Seismic impact zones
Unstable areas
Design criteria
Documentation of liner type
Hazard potential classification assessment
Emergency action plan (EAP)
Documentation of annual EAP meeting
2019 Documentation of annual EAP meeting
2018 Documentation of annual EAP meeting
2017 Documentation of annual EAP meeting
Documentation of EAP activation
History of construction
Structural stability assessment
Structural stability remedial action plans
Safety factor assessment
Operating criteria
CCR fugitive dust control plan
Annual Fugitive Dust Control Report
2016 Annual fugitive dust control report
2017 Annual fugitive dust control report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Inflow design flood control system plan
Annual engineering inspection reports
2015 Annual Inspection
2016 Annual Inspection
2017 Annual Inspection
2018 Annual Inspection
Remediation plans for deficiencies
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Groundwater monitoring system certification
Statistical method certification
Notification of assessment monitoring program
Notification of return to detection monitoring program
Notification of Appendix IV exceedances
Notification of corrective measures assessment
Corrective measures assessment
Semi-annual corrective action report
Notification of completion of corrective action
Closure and post-closure care
Closure plan
Time extensions for initiating closure
Time extensions for completing closure
Notification of intent to close
Notification of completion of closure
Notification of intent to comply with alternative closure requirements
Annual progress reports for alternative closure
Notification recording a notation on property deed
Post-closure care plan
Notification of completion of post-closure care
Naughton FGD Pond 1
Closure and post-closure care
Notification of intent to initiate closure
Notification of completion of closure
Closure Plan
Post Closure Plan
Operating criteria
CCR fugitive dust control plan
2017 Annual fugitive dust control report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Annual engineering inspection reports
Annual Inspection Discontinuation Letter
Inflow Design Flood Control
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Corrective measures assessment
Corrective Measures Assessment
Corrective Measures Assessment Extension
Groundwater monitoring system certification
Statistical method certification
Notification of assessment monitoring program
Notification of Appendix IV exceedances
Initial Notification of Appendix IV Exceedance
1st Half 2019 Notification of Appendix IV Exceedance
Notification of corrective measures assessment
Semi-annual corrective action report
Design Criteria
Hazard Potential Classification
History of Construction
Liner Type
Safety Factor Assessment
Structural Stability Assessment
Naughton FGD Pond 2
Closure and post-closure care
Notification of intent to initiate closure
Notification of completion of closure
Closure Plan
Post Closure Plan
Operating criteria
CCR fugitive dust control plan
2017 Annual fugitive dust control report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Annual engineering inspection reports
Annual Inspection Discontinuation Letter
Inflow Design Flood Control
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Corrective Measures Assessment
Corrective Measures Assessment
Corrective Measures Assessment Extension
Groundwater monitoring system certification
Statistical method certification
Notification of assessment monitoring program
Notification of Appendix IV exceedances
Initial Notification of Appendix IV Exceedance
1st Half 2019 Notification of Appendix IV Exceedance
Notification of corrective measures assessment
Notification of potential presence of CCR constituents to landowner
FMC Notification
Westmoreland Notification
Semi-annual corrective action report
Design Criteria
Hazard Potential Classification
History of Construction
Liner Type
Safety Factor Assessment
Structural Stability Assessment
Naughton FGD Pond 5
Design criteria
Pre-Construction Liner Certification
Pre-Construction Certification
As Built Liner Certification
As Built Liner Certification
Documentation of annual EAP meeting
2019 Documentation of annual EAP meeting
2018 Documentation of annual EAP meeting
Emergency action plan
Emergency action plan
Hazard potential classification
Hazard potential classification
History of construction
History of construction
Safety factor assessment
Safety factor assessment
Structural Stability
Structural Stability
Operating Criteria
CCR Fugitive Dust Control Plan
Annual Fugitive Dust Control Report
2018 Annual fugitive dust control report
2019 Annual fugitive dust control report
Inflow Design Flood Control Plan
Annual engineering inspection reports
2018 Annual Inspection
Groundwater monitoring and corrective action
Annual groundwater monitoring and corrective action report
2017
2018
Groundwater monitoring system certification
Statistical method certification
Location Restrictions
Fault Areas
Placement Above Aquifer
Seismic Impact Zones
Unstable Areas
Wetlands
Closure/Post Closure Care
Closure Plan
Closure Plan
Post Closure Plan
Post Closure Plan