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Interrogation Site Metadata

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GRP - Grande Ronde Acc. Pond

Status:   Decommissioned
Site Type: Monitored Fish Release  |  Organization: Confed. Tribes of the Umatilla Indian Reser.
General Operational Period:
Start Date: 1/1/2002 12:00 AM
End Date: 4/15/2013 12:00 AM

Upper Grande Ronde River Acclimation Pond


Primary Contact:

Carrie Crump

Data Steward:

Mike McLean


Coordinates: 45.079276, -118.331479  |  River Km: 522.271.320

Operational History

Operational history describes the period the site was interrogating for PIT tags. The comments provide anecdotal information about the operation of the site during this period. Site operational periods are updated typically at the end of the calendar year.

Year Start Date End Date Comments
2014 No data received from this site in 2014
2013 3/18/2013 12:00 AM 4/15/2013 12:00 AM See event log for details on two volitional releases that occurred.
2012 3/18/2012 12:00 AM 4/14/2012 12:00 AM Three groups of fish were ponded and volitionally released between March 19 and April 14. See event log for details.
2011 3/15/2011 12:00 AM 4/14/2011 12:00 AM Antenna 2 was down from March 25-28. See event log for volitional release schedule.
2010 3/15/2010 12:00 PM 4/13/2010 5:00 PM The first of two volitional releases from the Grande Ronde Acclimation Ponds occurred between March 15-22. The release occurred between March 30 and April 13.
2009 3/18/2009 12:00 PM 4/13/2009 6:00 PM Fish were ponded in Raceway 4 on March 16, 2009. The detectors were activated at 12:00pm on 18 March, when the volitional release for Raceway 4 began. The fish were forced from Raceway 4 on 23 March after 12:00 pm. Fish were ponded in Raceways 1, 2, and 3 on March 16. The detectors for raceways 1-3 were activated at 12:00pm on March 23, when the volitional release from those raceways began. The fish were forced from Raceways 1-3 on April 13. The second group of fish through Raceway 4 was brought in on 24 March. The detector for Racesay 4 was activated when the volitional release began at noon on April 1. The fish were forced from Raceway 4 after noon on April 13.
2008 3/17/2008 12:00 PM 4/14/2008 3:00 PM There were two releases at GRP in 2008. The first release group was ponded on March 11, and volitionally released between March 17-24. The second group was ponded on March 25, and volitionally released between April 7-14. Mike McLean, CTUIR (, is the point of contact for the GRP detection data.
2007 3/19/2007 11:00 AM 4/11/2007 4:00 PM The first volitional release from Grande Ronde Pond occured between March 19 - 25, 2007. A second group of fish were ponded on March 26, and volitionally released April 2 - 11.
2006 3/27/2006 12:00 PM 4/12/2006 6:00 PM There was a single volitional release this year. All remaining fish were forced out of the pond after noon on April 12.
2005 Because of emergency conditions, fish were released from the Grande Ronde Ponds on March 14, 2005, before the PIT tag detectors were installed.
2004 3/16/2004 12:00 PM 4/12/2004 6:00 PM The following is per Mike McLean, CTUIR; First volitional release began at noon on March 16, 2004; all remaining fish were forced out at 7:00 pm on March 22. Second volitional release began at noon on March 31; all remaining fish were forced out after noon on April 12.
2003 3/17/2003 9:00 AM 4/14/2003 6:00 PM Volitional releases, monitored for PIT tag detections. First release began at ~9:00 am on March 17, and were forced out by 5:00 pm on March 23. The second volitional release began at ~9:00 am on March 24; all fish were forced out by 5:00 pm on April 14.
2002 1/1/2002 12:00 AM 1/1/2003 12:00 AM Contact CTUIR for the actual dates of release.


Configuration metadata includes details about the equipment used at the site to detect and record PIT tags. A new configuration sequence record is created when equipment is added or removed from the site and the period of time it was active. A configuration sequence without an End Date is currently active.

Select Configuration Number:
Start Date:  2/1/2002
End Date:  4/16/2013

Equipment History

Select a type to view the history of equipment installed at this site. A missing End Date implies the information about the equipment is current.

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Equipment Code Description Start Date End Date

No Photos

Event Log Summary

Event Date Event Type Comments
3/17/2015 3:22:26 PM General Decommissioned site per Mike McLean.