Official
Release notification reported at Superior Refinery
- Started
- Ended
- Not stated
- Updated
- Unit in the filing
- Not specified
- Cause in the source
- Not stated
- Record id
- nrc-1464414
Plain-English summary
Local restatement of the source fields. Not a Grok draft. · cached Oct 14, 2026 · not a finding
A release notification record for Superior Refinery in Superior, WI starts 2026-06-04. The record does not name a unit. The record does not list an end time. Status in the record: resolved. This restatement was filled locally from the source fields. It is not a Grok draft. The source record does not state a cause.
What the filing says
U.S. Coast Guard National Response Center initial notice 1464414 in file CY26.xlsx. The call was logged 2026-06-05 12:13. Nearest city in the file: Superior, WI. Responsible company: Cenovus Energy. Incident type in the file: Fixed. This is an initial, unvalidated notice. The tracker does not copy the narrative, does not copy the file's cause field, and does not say whether a unit stayed offline.
Sources
U.S. Coast Guard National Response Center
nrc-1464414
NRC FOIA spreadsheet for 2026
Other records at this refinery
| Started | Record | Plant | Channel | Status |
|---|---|---|---|---|
| Release notification reported at Superior Refinery | Superior Refinery · Official · Release notification | Official · Release notification | Resolved |