| | Start date | Site | Title | Topic |
|---|
| ULNRC-06922, Enclosure 8: Evaluation of Changes for AST RE-Analysis for an Increase in Fuel Burnup | 28 January 2026 | Callaway | Enclosure 8: Evaluation of Changes for AST RE-Analysis for an Increase in Fuel Burnup | Loss of Offsite Power
Deep Dose Equivalent
Accident Tolerant Fuel
Pre-submittal
Spent fuel rack
Leak-Before-Break |
| ML26015A145 | 27 January 2026 | Prairie Island | Nuclear Generating Plant, Units 1 and 2 - Issuance of Amendments Nos. 249 and 237 Revise Technical Specifications to Adopt TSTF-554, Revise Reactor Coolant Leakage Requirements (EPID L-2025-LLA-0142) | Safeguards Contingency Plan
Pressure Boundary Leakage
Unidentified leakage
Operational leakage |
| CNL-25-048, Units 1 and 2, Application to Revise Technical Specification 5.5.3 Radioactive Effluent Controls Program to Support Revision of the Offsite Dose Calculation Manual That Accounts for Radionuclides Generated When Using Potassium Hydroxide | 15 January 2026 | Sequoyah | Units 1 and 2, Application to Revise Technical Specification 5.5.3 Radioactive Effluent Controls Program to Support Revision of the Offsite Dose Calculation Manual That Accounts for Radionuclides Generated When Using Potassium Hydroxide | Offsite Dose Calculation Manual
Anticipated operational occurrence
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
License Renewal |
| L-2025-190, Unit 1, Corrected Amendment 33 to the Updated Final Safety Analysis Report, Chapter 12, Radiation Protection | 29 December 2025 | Saint Lucie | Unit 1, Corrected Amendment 33 to the Updated Final Safety Analysis Report, Chapter 12, Radiation Protection | Boric Acid
Loop seal
High Radiation Area
Grab sample
Anticipated operational occurrence
Coatings
Fuel cladding
Power Uprate
Overexposure
Spent fuel rack
Spill |
| ML25328A120 | 9 December 2025 | Watts Bar
Sequoyah | Nuclear Plant, Units 1 and 2; Watts Bar Nuclear Plant, Units 1 and 2 - Issuance of Amendment Nos. 373, 368; 177, and 82 Regarding Use of Online Monitoring Methodology (EPID L-2024-LLA-0147) | Safe Shutdown
Shutdown Margin
Anticipated operational occurrence
Post Accident Monitoring
Hydrostatic
Cyber Security
Surveillance Frequency Control Program
Safeguards Contingency Plan
Pressure Boundary Leakage
Fire Protection Program
Unidentified leakage
Pressure Temperature Limits Report |
| ML25307A011 | 30 October 2025 | Cook | Units 1 and 2 - Updated Final Safety Analysis Report (Ufsar), Revision 33, Chapter 14, Section 14.3, Tables 14.3.1-1 to 14.3.9-23, 14.A.1-1 to 14.G-3 (Unit 1) | Boric Acid
Loop seal
Fire Barrier
Coatings
Spill |
| ML25290A083 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 11, Section 11.2, Liquid Waste Management Systems | Grab sample
Anticipated operational occurrence
Spill |
| ML25290A101 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 15, Section 15.6, Decrease in Reactor Coolant Inventory | Safe Shutdown
Safe Shutdown Earthquake
Feedwater Heater
Loss of Offsite Power
Excess Flow Check Valve
Earthquake
Power Uprate |
| ML25290A080 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 11, Section 11.3, Gaseous Waste Management Systems | Grab sample
Anticipated operational occurrence
Safe Shutdown Earthquake
Earthquake
Fuel cladding |
| ML25290A078 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 11, Section 11.1, Source Terms | Stress corrosion cracking
Fuel cladding
Power Uprate
Spill |
| ML25290A100 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 15, Section 15.7, Radioactive Release from Subsystems and Components | Earthquake
Control Room Habitability
Spill |
| ML25290A108 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 15, Appendix 15e, Initial Core for SSES, Units 1 and 2, Non-Limiting Events | Feedwater Heater
Feedwater Controller Failure
Loss of condenser vacuum |
| ML25290A079 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 11, Section 11.5, Process and Effluent Radiolgocial Monitoring and Sampling Systems | Grab sample
Anticipated operational occurrence
Control Room Habitability |
| ML25290A102 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 15, Section 15.1, Decrease in Reactor Coolant Temperature | Stroke time
Anticipated operational occurrence
Feedwater Heater
Feedwater Controller Failure
Power Uprate |
| ML25290A087 | 13 October 2025 | Susquehanna | Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Chapter 12, Section 12.2, Radiation Sources | Feedwater Heater
Process Control Program
Power Uprate |
| ML25283A010 | 9 October 2025 | Point Beach | Units 1 and 2, Periodic Update of the Updated Final Safety Analysis Report, Chapter 11, Waste Disposal Systems and Radiation Protection | Boric Acid
High Radiation Area
Grab sample
Offsite Dose Calculation Manual
Locked High Radiation Area
Fuel cladding
Mururoa
Power Uprate
Control Room Habitability
Unplanned intake
Spill |
| ML25283A007 | 9 October 2025 | Point Beach | Units 1 and 2, Periodic Update of the Updated Final Safety Analysis Report, Chapter 9, Auxiliary and Emergency Systems (Redacted) | Safe Shutdown
Boric Acid
Shutdown Margin
Loop seal
Offsite Dose Calculation Manual
Tornado Missile
Hydrostatic
Probabilistic Risk Assessment
Zebra Mussel
High Energy Line Break
Surveillance Frequency Control Program
Design basis earthquake
Loss of Offsite Power
License Renewal
Earthquake
Control of Heavy Loads
Turbine Missile
Fuel cladding
Fire Protection Program
Power change
GOTHIC
Power Uprate
Overspeed
Potassium iodide
Spent fuel rack
Gas accumulation
Operational convenience
Leak-Before-Break
Pressure locking
Full Core Offload |
| ML25247A026 | 3 September 2025 | Prairie Island | Nuclear Generating Plant, Units 1 and 2 - Application to Revise Technical Specifications to Adopt TSTF-554, Revise Reactor Coolant Leakage Requirements | Surveillance Frequency Control Program
Pressure Boundary Leakage
Unidentified leakage
Operational leakage
Seal weld |
| ML25226A101 | 8 August 2025 | Dresden | Nuclear Power Station, Units 1, 2, and 3, Revision to 2024 Annual Radioactive Effluent Release Report | Grab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Sewage Treatment Plant
Annual Radiological Environmental Operating Report
Process Control Program |
| L-24-267, Vistra Operations Company LLC (Vistra Opco) Application to Revise Technical Specifications to Implement an Online Monitoring Program | 10 July 2025 | Beaver Valley
Davis Besse
Perry
Comanche Peak | Vistra Operations Company LLC (Vistra Opco) Application to Revise Technical Specifications to Implement an Online Monitoring Program | Safe Shutdown
Shutdown Margin
Anticipated operational occurrence
Post Accident Monitoring
Incorporated by reference
Surveillance Frequency Control Program
Containment high range radiation monitor
Fuel cladding
Pressure Boundary Leakage
Fire Protection Program
Core Exit Thermocouple
Unidentified leakage |
| ML25136A297 | 16 May 2025 | Surry
North Anna | Units 1 and 2 & Surry Power Station, Units 1 and 2 - Proposed License Amendment Requests to Update Main Steam Line Break Alternative Source Term Dose Consequences Analyses | Safe Shutdown
Mission time
Probabilistic Risk Assessment
Met Tower
Loss of Offsite Power
Time Critical Operator Action
Earthquake
Deep Dose Equivalent
Operational leakage
Control Room Habitability |
| ML25134A218 | 14 May 2025 | Pilgrim | Nuclear Power Station, Annual Radioactive Effluent Release Report, January 1 Through December 31, 2024 | Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Annual Radiological Effluent Release Report |
| ML25132A066 | 10 May 2025 | Monticello | Nuclear Generating Plant, 2024 Annual Radioactive Effluent Release Report | Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Spill |
| ML25121A148 | 1 May 2025 | Browns Ferry | Browns Ferry Nuclear Plant, Units 1, 2, and 3, 2024 Annual Radioactive Effluent Release Report | Grab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Process Control Program
Power Uprate
Spill |
| NL-25-0144, Nuclear Plant, Units 1 & 2, Annual Radioactive Effluent Release Report and Annual Non-Radiological Environmental Operating Report for 2024 | 30 April 2025 | Farley | Nuclear Plant, Units 1 & 2, Annual Radioactive Effluent Release Report and Annual Non-Radiological Environmental Operating Report for 2024 | Grab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Spill |
| ML25120A082 | 30 April 2025 | FitzPatrick | Nuclear Power Plant - 2024 Annual Radioactive Effluent Release Report | Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Spill |
| JAFP-25-0026, 2024 Annual Radioactive Effluent Release Report | 30 April 2025 | FitzPatrick | 2024 Annual Radioactive Effluent Release Report | Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Spill |
| SVP-25-022, Nuclear Power Station, Units 1 and 2 - Radioactive Effluent Release Report for 2024 | 30 April 2025 | Quad Cities | Nuclear Power Station, Units 1 and 2 - Radioactive Effluent Release Report for 2024 | Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Annual Radiological Effluent Release Report
Spill |
| ML25122A175 | 30 April 2025 | San Onofre | Nuclear Generating Station (Songs), Units 1, 2, and 3 - 2024 Annual Radioactive Effluent Release Report | Grab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Chernobyl |
| NL-25-0146, Nuclear Plant, Units 1 & 2, Annual Radioactive Effluent Release Report and Annual Non-Radiological Environmental Operating Report for 2024 | 30 April 2025 | Hatch | Nuclear Plant, Units 1 & 2, Annual Radioactive Effluent Release Report and Annual Non-Radiological Environmental Operating Report for 2024 | Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Spill |
| ML25119A063 | 29 April 2025 | Surry | Units 1 and 2, 2024 Annual Radioactive Effluent Release Report | Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Spill |
| U-604831, 2024 Annual Radioactive Effluent Release Report | 29 April 2025 | Clinton | 2024 Annual Radioactive Effluent Release Report | Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Spill |
| ML25118A102 | 28 April 2025 | Peach Bottom
Wolf Creek | Wolf Creek Generating Station 2024 Annual Radioactive Effluent Release Report - Report 48 | Grab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Spill |
| ML25113A044 | 23 April 2025 | Grand Gulf | Grand Gulf Nuclear Station, Unit 1 - Annual Radioactive Effluent Release Report (ARERR) | Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Spill |
| ML25115A201 | 22 April 2025 | Palo Verde | Units 1, 2, 3, and Independent Spent Fuel Storage Installation - Annual Radioactive Effluent Release Report 2024 | Boric Acid
Grab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Annual Radiological Effluent Release Report
Power change
Spill |
| ML25111A232 | 21 April 2025 | Arkansas Nuclear | Units 1 and 2 - Radioactive Effluent Release Report for the 2024 Calendar Year | Time of Discovery
Grab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Sewage Treatment Plant
Annual Radiological Environmental Operating Report
Process Control Program
Main Steam Line Radiation Monitor
Annual Radiological Effluent Release Report
Operational convenience
Spill |
| RBG-48333, Unit 1 - 2024 Annual Radioactive Effluent Release Report | 16 April 2025 | River Bend | Unit 1 - 2024 Annual Radioactive Effluent Release Report | Grab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Tritium
Spill |
| PNP 2025-015, Palisades Nuclear Plant, Annual Radioactive Effluent Release Report | 31 March 2025 | Palisades | Palisades Nuclear Plant, Annual Radioactive Effluent Release Report | Grab sample
Offsite Dose Calculation Manual
Anticipated operational occurrence
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Radiological Environmental Operating Report
Spill |
| NMP1L3630, Nuclear Station, Errata and Corrections to the 2022 NMP1 and NMP2 Annual Radioactive Effluent Release Reports (Arerrs) | 19 March 2025 | Nine Mile Point | Nuclear Station, Errata and Corrections to the 2022 NMP1 and NMP2 Annual Radioactive Effluent Release Reports (Arerrs) | Annual Radioactive Effluent Release Report |
| ML25043A149 | 26 February 2025 | Wolf Creek | Wolf Creek Generating Station, Unit 1 - Issuance of Amendment No. 243 Revision to Technical Specifications to Adopt TSTF-569, Revision 2, Revise Response Time Testing Definition (EPID L-2024-LLA-0109) | Shutdown Margin
Anticipated operational occurrence |
| ML25008A049 | 14 December 2024 | Diablo Canyon | Comment (20) of Francene Mcclintock on Pacific Gas and Electric Company; Diablo Canyon Nuclear Power Plant, Units 1 and 2; Draft Supplemental Environmental Impact Statement | Ultimate heat sink
Internal Flooding
License Renewal
Earthquake
Chernobyl
Overdose
Spill |
| ML24340A016 | 30 July 2023 | River Bend | Updated Safety Analysis Report Rev.28, Chapter 11, Radioactive Waste Management | Loop seal
High Radiation Area
Grab sample
Anticipated operational occurrence
Hydrostatic
Design basis earthquake
Sewage Treatment Plant
Stress corrosion cracking
Earthquake
Fuel cladding
Pressure boundary leak
Loss of condenser vacuum
Spill |
| ML24340A018 | 30 July 2023 | River Bend | Updated Safety Analysis Report Rev.28, Chapter 12, Radiation Protection | Safe Shutdown
High Radiation Area
Grab sample
Anticipated operational occurrence
Post Accident Monitoring
Coatings
Locked High Radiation Area
Feedwater Heater
Scram Discharge Volume
Process Control Program
Stress corrosion cracking
Loss of Offsite Power
Earthquake
Deep Dose Equivalent
Pressure boundary leak
Spent fuel rack
Spill |
| Regulatory Guide 1.21 | 30 September 2021 | | Measuring, Evaluating, and Reporting Radioactive Material in Liquid and Gaseous Effluents and Solid Waste | Grab sample
Offsite Dose Calculation Manual
Anticipated operational occurrence
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Chernobyl
Diurnal
Spill |
| ML21197A156 | 16 July 2021 | | Rev.3 - ACRS pre-decisional Version | Grab sample
Offsite Dose Calculation Manual
Anticipated operational occurrence
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Chernobyl
Diurnal
Spill |
| IR 05000184/2021201 | 14 April 2021 | National Bureau of Standards Reactor | National Institute of Standards and Technology U.S. Nuclear Regulatory Commission Interim Special Inspection Report No. 05000184/2021201 | Grab sample
License Renewal
Fuel cladding
Manual Operator Action |
| ML20287A423 | 31 January 2021 | | Draft Regulatory Guide DG-1377, Measuring, Evaluating, and Reporting Radioactive Material in Liquid and Gaseous Effluents and Solid Waste | Grab sample
Offsite Dose Calculation Manual
Anticipated operational occurrence
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Chernobyl
Diurnal
Spill |
| ML080660617 | 1 October 2008 | | Draft Regulatory Guide DG-1186 (Proposed Revision 2 of Regulatory Guide 1.21) Measuring, Evaluating, and Reporting Radioactive Material in Liquid and Gaseous Effluents and Solid Waste | Grab sample
Offsite Dose Calculation Manual
Annual Radioactive Effluent Release Report
Annual Radiological Environmental Operating Report
Process Control Program
Backfit
Spill |
| IR 05000440/2002006 | 30 October 2002 | Perry | IR 05000440-02-006; on 07/01/2002 - 09/30/2002, Perry Nuclear Power Plant, Maintenance Effectiveness, Surveillance Testing | Offsite Dose Calculation Manual
Fire Barrier
Probabilistic Risk Assessment
Temporary Modification
Zebra Mussel
Locked High Radiation Area
Significance Determination Process
Scram Discharge Volume
Maintenance Rule Program
Fire Protection Program
Power change
Overspeed
Spill |
| IR 05000288/1997201 | 9 October 1997 | Reed College | Insp Rept 50-288/97-201 on 970828-29.No Violations Noted. Major Areas Inspected:Operations & Radiation Protection | High Radiation Area |