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Interrogation Site Metadata

LRW - Lemhi River Weir

Status:   Active - Operations Unspecified
Site Type: Instream Remote Detection System  |  Organization: Biomark
General Operational Period: Year Round
Start Date: 8/18/2009 3:50 PM

This is an in-stream interrogation system located on the Lemhi River above the mouth of Hayden Creek and below the IDFG weir. The site consists of two arrays, located serially 15 meters apart with the upstream array having four 10 foot PVC Pipe antennas and the lower array having the two original 20 foot flat-plate Biomark antennas. At low flow, the upper arrays covers the stream channel, the lower array covers all but 1 meter of the stream channel. Water depth, water temperature, and air temperature probes are installed.

Current Operations

Last File Loaded: LRW-2022-176-P-00D.xml
Date Last File Loaded: 6/25/2022 10:01 PM
Date Last File Opened: 6/25/2022 4:43 PM
Date Last File Closed: 6/25/2022 8:21 PM
Last Observation Tag: 3DD.003D28AF5C
Last Observation Date: 6/25/2022 8:21 PM
Detection Summary: Last Day's Observations


Primary Contact:

Kyle Meier

Data Steward:

Brett Turley


Coordinates: 44.865960, -113.624721  |  River Km: 522.303.416.050

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
2021 1/1/2021 12:00 AM 1/1/2022 12:00 AM Start and end dates based on timer tags.
2020 1/4/2020 12:00 AM 12/31/2020 12:00 AM Start and end dates based on timer tags. See event logs for additional operational information.
2019 1/1/2019 12:00 AM 12/30/2019 12:00 AM Start and end dates based on timer tags.
2018 1/1/2018 12:00 AM 1/1/2019 12:00 AM Start and end dates based on timer tags.
2017 1/1/2017 12:00 AM 1/1/2018 12:00 AM Start and end dates based on timer tags.
2016 1/1/2016 12:00 AM 1/1/2017 12:00 AM Start and end dates based on timer tags.
2015 1/1/2015 12:00 AM 1/1/2016 12:00 AM
2014 1/1/2014 12:00 AM 1/1/2015 12:00 AM
2013 1/1/2013 12:00 AM 1/1/2014 12:00 AM
2012 1/1/2012 12:00 AM 1/1/2013 12:00 AM
2011 1/1/2011 12:00 AM 1/1/2012 12:00 AM Four additional antennas installed September 14.
2010 1/1/2010 12:00 AM 1/1/2011 12:00 AM Interrogation activity was interrupted at LRW from 4/8/10 to 4/12/10, due to a bad battery bank.
2009 8/18/2009 3:50 PM 1/1/2010 12:00 AM First year of operation. All activities were interrupted between Sept. 8-14, and again between Oct. 10-12, due to power failures. Operations were interrupted between Oct. 20-28 due to software issues.


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:  9/14/2011
End Date:  ----

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.

Select Equipment Type:
Equipment Code Description Start Date End Date


Event Log Summary

Event Date Event Type Comments
10/23/2013 9:48:51 AM General The site is running continuously without disruption through 10/23/13.

Archived Event Logs