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| Entered date | Event description | |
|---|---|---|
| ENS 55053 | 30 December 2020 20:30:00 | On December 30, 2020 at 1550 CST, South Texas Project (STP) received a report that two Emergency Notification System sirens inadvertently actuated. The sirens were heard by residents in the area who contacted the Matagorda County Sheriff's office, which notified the Emergency Response Division at STP of the siren actuation at 1557 CST. Both sirens were initially restored, however siren #24 subsequently actuated again at 1735 CST. Siren #24 has been disconnected. Siren #27 remains available. Thirty-one of thirty-two sirens are available. This notification is being made under 10CFR50.72(b)(2)(xi) as an event where other government agencies were notified. The sirens are no longer alarming. A social media release is planned. The NRC Resident Inspector has been notified of the event. The licensee believes the sirens actuated due to significant rain in the area but will be investigating the cause of the inadvertent actuation. |
| ENS 54530 | 18 February 2020 20:20:00 | On February 18, 2020 a non-licensed contractor supervisor violated the station's FFD policy. The employee's unescorted access to South Texas has been terminated. The NRC Resident Inspector has been notified. |
| ENS 54529 | 17 February 2020 19:23:00 | At 1647 CST on 2/17/2020, it was determined that approximately two quarts of hydraulic oil were spilled into the Colorado River during preparation for dredging activities. Cleanup using an oil dispersant and oil booms is underway. The cause of the hydraulic oil spill is under investigation. The Texas General Land Office was notified at 1717 CST. Additional reports were made to the Texas Commission of Environmental Quality, the Environmental Protection Agency National Response Center, and the Matagorda County Local Emergency Planning Committee. The NRC Resident Inspector has been notified. |