Report a Safety Concern

Search

The U.S. Nuclear Regulatory Commission is in the process of rescinding or revising guidance and policies posted on this webpage in accordance with Executive Order 14151 Ending Radical and Wasteful Government DEI Programs and Preferencing, and Executive Order 14168 Defending Women From Gender Ideology Extremism and Restoring Biological Truth to the Federal Government. In the interim, any previously issued diversity, equity, inclusion, or gender-related guidance on this webpage should be considered rescinded that is inconsistent with these Executive Orders.

Home Nuclear Reactors Operating Reactors Reactor Safety Information Topics Safety Enhancements After Fukushima

Plant-Specific Actions in Response to the Japan Nuclear Accident: Duane Arnold Energy Center

subscribe to page updates subscribe to page updates

Photograph of Duane Arnold

Duane Arnold Energy Center is no longer an operating reactor. Please see Duane Arnold decommissioning information.

NRC Documentation and Acknowledgement of Completion

Duane Arnold Energy Center – Documentation of the Completion of Required Actions Taken in Response to the Lessons Learned from the Fukushima Dai-ichi Accident

Orders and Requests for Information Licensee Responses/Submittals

Orders
Order for Mitigation Strategies to Respond to Extreme Natural Events Resulting in the Loss of Power at Plants [+] Show More
Licensee Request to Withdraw Order NRC Order Relaxation and Withdrawal Licensee Integrated Plan (due February 28, 2013) NRC Interim Staff Evaluation of Integrated Plans NRC Audit Plan NRC Audit Report Licensee Compliance Letter and Final Integrated Plan NRC Safety Evaluation of Integrated Plan NRC Inspection Report Status Updates by Licensee 1st update (due October 30, 2012) 2nd update (due September 1, 2013) 3rd update (due February 28, 2014) 4th update (due September 1, 2014) 5th update (due February 28, 2015) 6th update (due September 1, 2015)


Modified Order for Ensuring Reliable Hardened Containment Vents [+] Show More
Licensee Request to Withdraw Order NRC Order Withdrawal Licensee Phase 1 Integrated Plan (due June 30, 2014) NRC Interim Staff Evaluation of Phase 1 Integrated Plan Licensee Phase 2 Integrated Plan (due December 31, 2015) NRC Interim Staff Evaluation of Phase 2 Integrated Plan NRC Audit Report Licensee Compliance Letter and Final Integrated Plan NRC Safety Evaluation of Integrated Plan NRC Inspection Report Status Updates 1st update (due December 31, 2014) 2nd update (due June 30, 2015) 3rd update (due December 31, 2015) 4th update (due June 30, 2016) 5th update (due December 31, 2016) 6th update (due June 30, 2017) 7th update (due December 31, 2017) 8th update (if needed) (due June 30, 2018) 9th update (if needed) (due December 31, 2018)


Order for Enhancing Spent Fuel Pool Instrumentation [+] Show More
Licensee Request to Withdraw Order NRC Order Withdrawal Licensee Integrated Plan (due February 28, 2013) NRC Interim Staff Evaluation of Integrated Plans NRC Audit Plan NRC Audit Report Licensee Compliance Letter NRC Safety Evaluation of Integrated Plan NRC Inspection Report Status Updates by Licensee 1st update (due October 30, 2012) 2nd update (due September 1, 2013) 3rd update (due February 28, 2014) 4th update (due September 1, 2014) 5th update (due February 28, 2015) 6th update (due September 1, 2015)

Request for Information

Request for Information for Seismic and Flooding Reevaluations and Walkdowns, and Reevaluations of Emergency Communications Systems and Staffing Levels
[+] Show More

Seismic Reevaluations
[+] Show More
[-] Show Less
- Licensee Hazard Evaluation
- NRC Staff Assessment of Hazard Evaluation
- Licensee Expedited Seismic Evaluation Process (ESEP) Report
- NRC Staff Assessment of ESEP Report
- Limited Scope Evaluations (as applicable for each reactor site)
  - Licensee High Frequency Evaluation
  - NRC Staff Assessment of High Frequency Evaluation
  - Licensee Spent Fuel Pool Evaluation
  - NRC Staff Assessment of Spent Fuel Pool Evaluation
- Licensee Seismic Probabilistic Risk Assessment (SPRA) Report (if required)
- NRC Staff Assessment of SPRA Report
- Licensee Reevaluated Hazard (Seismic) Mitigating Strategies Assessment
- NRC Staff Response to Reevaluated Hazard (Seismic) Mitigating Strategies Assessment

Flooding Reevaluations
[+] Show More
[-] Show Less
- li>Licensee Flooding Hazard Reevaluation Report
NRC Flooding Audit Plan
NRC Flooding Audit Report
NRC Interim Staff Response to Reevaluated Flood Hazards
NRC Staff Assessment of Flooding Hazard Reevaluation Report
Licensee Reevaluated Hazard (Flooding) Mitigating Strategies Assessment
NRC Response to Reevaluated Hazard (Flooding) Mitigating Strategies Assessment
Licensee Focused Evaluation
NRC Staff Assessment of Focused Evaluation

Seismic Walkdowns
[+] Show More
[-] Show Less

Flooding Walkdowns
[+] Show More
[-] Show Less

Reevaluations of Emergency Communications Systems
[+] Show More
[-] Show Less
- Licensee 60-day Schedule Deviations
- Licensee Communication Assessment
- Licensee Communication Assessment Supplement
- NRC Evaluation of Communication Assessment

Reevaluations of Staffing Levels
[+] Show More
[-] Show Less
- Licensee 60-day Schedule Deviations
- Licensee Response to Staffing Items 3-5
- Licensee Phase 1 Staffing Assessment (applicable only to multi-unit sites)
- NRC Evaluation of Phase 1 Staffing Assessment
- Licensee Phase 2 Staffing Assessment
- NRC Evaluation of Phase 2 Staffing Assessment

Page Last Reviewed/Updated Thursday, November 4, 2021