| | Site | License number | Start date | Title | Topic |
|---|
| ENS 56747 | American Centrifuge Plant | SNM-2011 | 18 September 2023 04:00:00 | Concurrent Report - High Chlorine Level in Outfall Pond | |
| ENS 56487 | Palo Verde | | 26 April 2023 06:15:00 | Offsite Notification - Spilled Sodium Hypochlorite | |
| ENS 56385 | Browns Ferry | | 2 March 2023 19:12:00 | Offsite Notification | |
| ENS 55648 | Environmental Prot. Agency | 05-14892-02 | 13 December 2021 07:00:00 | Lost Survey Instrument | Moisture Density Gauge |
| ENS 55567 | Pilgrim | | 9 November 2021 15:40:00 | Offsite Notification Due to Violation of Discharge Permit | |
| ENS 55071 | Pilgrim | | 18 January 2021 21:00:00 | Offsite Notification Due to Leak from Underground Sewage Storage Tank | |
| ENS 54858 | California Radiation Control Program | 7042-28 | 25 August 2020 07:00:00 | Agreement State Report - Source Potentially Damaged by Fire | |
| ENS 54529 | South Texas | | 17 February 2020 23:17:00 | Notification to Other Government Agency | |
| ENS 54322 | Brunswick | | 10 October 2019 15:22:00 | Offsite Notification Due to Environmental Report to Another Government Agency | |
| ENS 54097 | South Texas | | 1 June 2019 21:18:00 | Offsite Notification Due to Gasoline Leakage to Site Drainage System | |
| ENS 53717 | Callaway | | 5 November 2018 05:00:00 | Offsite Notification Due to Chemical Spill Offsite | |
| ENS 52085 | Fermi | | 14 July 2016 13:15:00 | Offsite Notification of Government Agencies of an Oil Spill to the Environment | |
| ENS 51876 | Unknown | | 21 April 2016 05:00:00 | Agreement State Report - Radiation Level on Package Greater than Limits | |
| ENS 51844 | Palo Verde | | 2 April 2016 05:29:00 | Offsite Notification Due to Sodium Hypochlorite Spill on Site | |
| ENS 51478 | Beaver Valley | | 16 October 2015 16:45:00 | Offsite Notification Made for Hazardous Chemical Spill | |
| ENS 50725 | Browns Ferry | | 8 January 2015 22:26:00 | Offsite Notification Due to Low Level Tritium Spill | |
| ENS 50719 | Browns Ferry | | 6 January 2015 18:27:00 | Offsite Notification Due to Oil Leak | |
| ENS 50470 | San Onofre | | 18 September 2014 19:35:00 | Offsite Notification - Failure to Submit Required Semi-Annual and Annual Samples and Reports Per Npdes | |
| ENS 50275 | Beaver Valley | | 11 July 2014 19:00:00 | Offsite Notification Made for Hazardous Chemical Spill | |
| ENS 50093 | Oconee | | 7 May 2014 18:50:00 | Voluntary Notification to Offsite Government Agencies Due to Leak of Water Containing Low Level Tritium Concentration in Accordance with Nei Initiative 07-07 | |
| ENS 49457 | Catawba | | 20 October 2013 03:30:00 | Offsite Notification Due to Spill of Water Containing Low-Level Tritium Concentration | |
| ENS 48751 | Hatch | | 13 February 2013 20:45:00 | Offsite Notification Due to Tritium Release Onsite | |
| ENS 47901 | Perry | | 6 May 2012 13:35:00 | Offsite Notification Made for Npdes Noncompliance | |
| ENS 47366 | Perry | | 21 October 2011 21:20:00 | Offsite Notification Due to Fuel Oil Spill | |
| ENS 46374 | Perry | | 28 October 2010 21:51:00 | Offsite Notification Due to Sodium Hypochlorite Leak from Underground Piping | |
| ENS 46247 | Seabrook | | 13 September 2010 13:00:00 | Offsite Notification for Discharge of 200 Gal Untreated Sanitary Water | |
| ENS 46083 | Pilgrim | | 9 July 2010 04:00:00 | Offsite Notification Due to Elevated Levels of Tritium Found in a Well Sample | |
| ENS 45925 | Portsmouth Gaseous Diffusion Plant | GDP-2 | 13 May 2010 20:02:00 | Notification of Ohio Environmental Protection Agency Due to Exceeding Npdes Discharge Permit Value | Fatality |
| ENS 45423 | Perry | | 9 October 2009 19:44:00 | Offsite Notification Due to a Spill of Hydraulic Fluid | |
| ENS 45338 | Monticello | | 10 September 2009 14:13:00 | State Offsite Notification Due to Not Meeting Permit Requirements | |
| ENS 45188 | Portsmouth Gaseous Diffusion Plant | GDP-2 | 7 July 2009 04:54:00 | 4-Hour Report Due to Notification of Ohio Epa Because of Boiler Opacity Limit Being Exceeded | Fatality |
| ENS 44908 | Turkey Point | | 16 March 2009 14:45:00 | Offsite Notification Due to 1 Gallon Oil Spill at Fossil Units | |
| ENS 44825 | Saint Lucie | | 2 February 2009 20:45:00 | Offsite Notification to the Environmental Protection Agency | |
| ENS 44467 | Wolf Creek | | 5 September 2008 22:00:00 | Offsite Notification to the Epa as Required Due to a Refrigerant Appliance Repair Delay | |
| ENS 44111 | Perry | | 31 March 2008 19:50:00 | Offsite Notification to Ohio Epa Concerning Non-Compliance with Hazardous Waste Removal Requirements | |
| ENS 43891 | Browns Ferry | | 10 January 2008 18:21:00 | Offsite Notification - Spill of Water Containing Tritium | |
| ENS 43671 | Portsmouth Gaseous Diffusion Plant | GDP-2 | 28 September 2007 15:16:00 | Smoke from Steam Plant Startup Requiring State Notification | Fatality |
| ENS 43653 | Perry | | 19 September 2007 19:25:00 | Offsite Notification of Unknown Discharge and 24 Hour Report Per Appendix B of Operating License | Time of Discovery |
| ENS 43642 | Pilgrim | | 14 September 2007 14:50:00 | Offsite Notification to Epa Required by Npdes Permit | |
| ENS 43536 | Us Epa | 34-12736-02 | 30 July 2007 20:25:00 | Missing/Lost Nickel-63 15 Millicurie Source | Moisture Density Gauge |
| ENS 43176 | Environmental Protection Agency | | 18 December 2006 05:00:00 | Device Containing Radioactive Sources Inadvertently Sent to Recycling Facility | Moisture Density Gauge |
| ENS 42804 | Saint Lucie | | 25 August 2006 19:30:00 | Tritium Found in an Onsite Settling Pond | |
| ENS 42457 | Byron | | 31 March 2006 19:07:00 | Low Tritium Concentration Levels Found Near Underground Piping | |
| ENS 40808 | Oyster Creek | | 11 June 2004 19:10:00 | Offsite Notification of Oil Laden Water Into Storm Drain | |
| ENS 40562 | Yankee Rowe | | 2 March 2004 17:25:00 | Offsite Notification to Other Agencies of Concrete Rubble Container Spill | |
| ENS 47244 | Environmental Protection Agency | GL-703353-15 | 30 June 2000 04:00:00 | Stolen and Recovered Generally Licensed X-Ray Flourescence Analyzer | Moisture Density Gauge
Stolen |