ENS 50511
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ENS Event | |
|---|---|
15:59 Oct 6, 2014 | |
| Title | Offsite Notification Due to Fish Found Dead After Zebra Mussel Treatment |
| Event Description | At 1059 CDT on October 6, 2014, the State of Minnesota and Environmental Services were notified that approximately 100 fish were found dead against the trash racks of the plant screen house. The licensee had completed zebra mussel treatment several days prior to this event and the fish deaths are attributed to this treatment.
This is reportable under 10 CFR 50.72 (b)(2)(xi), News Release or Notification of Other Government Agency. The protection of the health and safety of the public was not affected by this issue. The licensee has notified the NRC Senior Resident Inspector. |
| Where | |
|---|---|
Prairie Island  Minnesota (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
| Time - Person (Reporting Time:+-0.4 h-0.0167 days <br />-0.00238 weeks <br />-5.4792e-4 months <br />) | |
| Opened: | Nathan Bibus 15:35 Oct 6, 2014 |
| NRC Officer: | Dong Park |
| Last Updated: | Oct 6, 2014 |
| 50511 - NRC Website | |
Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (84 %) |
| After | Power Operation (84 %) |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (99 %) |
| After | Power Operation (99 %) |
WEEKMONTHYEARENS 562662022-12-09T04:01:0009 December 2022 04:01:00
[Table view]10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Agency Notification Due to Chemical Leak ENS 553772021-07-23T15:40:00023 July 2021 15:40:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Fish Kill ENS 548772020-09-03T19:21:0003 September 2020 19:21:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to a Hydraulic Oil Spill ENS 537572018-11-28T06:00:00028 November 2018 06:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Siren Activation ENS 527422017-05-10T12:55:00010 May 2017 12:55:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Siren Actuation ENS 514972015-10-24T11:57:00024 October 2015 11:57:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification for Onsite Incident of Local Interest ENS 509662015-04-07T22:45:0007 April 2015 22:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Emergency Siren Activation ENS 505112014-10-06T15:59:0006 October 2014 15:59:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Fish Found Dead After Zebra Mussel Treatment ENS 503582014-08-12T17:48:00012 August 2014 17:48:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Siren Actuation ENS 502362014-06-28T17:15:00028 June 2014 17:15:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to the State of Minnesota for a Fish Kill ENS 502032014-06-16T15:27:00016 June 2014 15:27:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Hydraulic Oil Spill ENS 497782014-01-30T19:20:00030 January 2014 19:20:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Activation of One Emergency Siren ENS 493762013-09-23T01:36:00023 September 2013 01:36:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(3)(xii), Transport of a Contaminated Person Offsite Transport of Potentially Contaminated Worker Offsite ENS 489252013-04-15T15:18:00015 April 2013 15:18:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to an Inadvertent Activation of a Siren ENS 487112013-02-03T18:08:0003 February 2013 18:08:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Release of Amertap Balls ENS 486242012-12-22T23:40:00022 December 2012 23:40:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Loss of Amertap Balls ENS 484012012-10-12T02:07:00012 October 2012 02:07:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Onsite Sirens Alarming During a Drill ENS 480762012-07-07T05:09:0007 July 2012 05:09:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Lost Amertap Balls ENS 479772012-05-31T08:04:00031 May 2012 08:04:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Concerning Loss of Amertap Balls ENS 479692012-05-27T16:22:00027 May 2012 16:22:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Concerning Loss of Amertap Balls ENS 476402012-02-06T19:00:0006 February 2012 19:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Unpermitted Release ENS 476292011-11-30T13:58:00030 November 2011 13:58:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Unmonitored Release of Tritium (Heating Steam Condensate) ENS 471002011-07-27T14:04:00027 July 2011 14:04:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification of Siren Activation by Lightning Strike ENS 470912011-07-24T00:00:00024 July 2011 00:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Unmonitored Release of Tritium to Septic System ENS 470412011-07-11T06:25:00011 July 2011 06:25:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Emergency Siren Activation Coincident with Adverse Weather ENS 464642010-12-08T14:07:0008 December 2010 14:07:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Actuation of Emergency Sirens ENS 461762010-08-15T15:45:00015 August 2010 15:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Discharge of Amertap Neoprene Balls Into Waterway ENS 461622010-08-09T13:12:0009 August 2010 13:12:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Loss of Condenser Tube Cleaning (Amertap) Balls ENS 461612010-08-09T12:42:0009 August 2010 12:42:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Discovery of Firearm During X-Ray Screening ENS 460042010-06-13T05:35:00013 June 2010 05:35:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Siren Activation ENS 459662010-05-31T02:15:00031 May 2010 02:15:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Late Notification of a Single Inadvertent Siren Activation During Thunderstorm Activity ENS 458532010-04-18T18:00:00018 April 2010 18:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Loss of Condenser Tube Cleaning (Amertap) Balls ENS 458412010-04-14T21:20:00014 April 2010 21:20:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notifications Due to Fish Kill and Chemical Release ENS 457342010-02-28T07:45:00028 February 2010 07:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification of State and Tribal Agencies ENS 456412010-01-20T19:17:00020 January 2010 19:17:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Firefighting Assistance for Fire in a Non-Safeguards Diesel Generator ENS 455902009-12-24T11:14:00024 December 2009 11:14:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release ENS 454662009-10-24T18:20:00024 October 2009 18:20:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification of Minor Oil Spill ENS 454372009-10-15T19:49:00015 October 2009 19:49:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Minor Oil Spill to the Mississippi River ENS 454062009-10-02T16:49:0002 October 2009 16:49:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Activation of Emergency Sirens ENS 453572009-09-17T16:30:00017 September 2009 16:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to Minnesota Pollution Control Agency ENS 453302009-09-06T23:05:0006 September 2009 23:05:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Loss of Amertap Balls ENS 451292009-06-13T18:53:00013 June 2009 18:53:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Emergency Siren Actuation ENS 451182009-06-09T17:00:0009 June 2009 17:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Remains Discovered Outside Oca ENS 449472009-03-31T17:00:00031 March 2009 17:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Emergency Siren Activated for Reasons Unknown ENS 446932008-12-02T22:45:0002 December 2008 22:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Acuation of Emergency Sirens ENS 444752008-09-09T10:30:0009 September 2008 10:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Car Accident ENS 443862008-08-06T19:20:0006 August 2008 19:20:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertant Actuation of Emergency Sirens ENS 443702008-07-28T13:50:00028 July 2008 13:50:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to a Sodium Hypochlorite Spill ENS 442292008-05-21T13:05:00021 May 2008 13:05:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Actuation of Emergency Sirens ENS 440952008-03-26T12:58:00026 March 2008 12:58:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Actuation of Emergency Sirens ENS 440552008-03-12T13:15:00012 March 2008 13:15:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Accidental Emergency Siren Activation ENS 438202007-12-03T17:45:0003 December 2007 17:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Siren Actuation ENS 436232007-09-07T11:55:0007 September 2007 11:55:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Plant Emergency Siren False Activation ENS 435002007-07-17T20:59:00017 July 2007 20:59:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Fire Inside of Owner Control Area ENS 432532007-03-21T23:45:00021 March 2007 23:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notifications Made to State Local and County Agencies ENS 425652006-05-10T20:45:00010 May 2006 20:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification and Press Release Issued Due to Discovery of Asbestos Material During Maintenance ENS 411272004-10-16T03:15:00016 October 2004 03:15:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Spurious Actuation of One Off-Site Emergency Plan Siren ENS 410622004-09-22T14:00:00022 September 2004 14:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Emergency Sirens Inadvertently Activated ENS 409282004-08-06T13:17:0006 August 2004 13:17:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to Other Government Agencies Concerning Emergency Response Message Not Marked Drill 2022-12-09T04:01:00 | |
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