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Interrogation Site Metadata

LLS - Lemhi Little Springs Instream

Status:   Active - Operations Unspecified
Site Type: Instream Remote Detection System  |  Organization: Biomark
General Operational Period: Year Round
Start Date: 6/14/2011 12:00 AM

In-stream detection system consisting of a tandem array located in Little Springs. The array (LLS) is located 100-meters upstream of the confluence with the Lemhi River. The site consists of two 5ft x 3ft HDPE pipe antennas connected to standalone Biomark IS1001 readers. The site is powered by grid AC with a battery switcher and remote communication is provided by a 4G cellular modem. The site was originally installed in 2011, it was overhauled in 2018.

Current Operations

Last File Loaded: LLS-2023-148-P-012.json
Date Last File Loaded: 5/29/2023 2:31 AM
Date Last File Opened: 5/28/2023 7:21 PM
Date Last File Closed: 5/28/2023 10:23 PM
Last Observation Tag: 3DD.003E214B42
Last Observation Date: 5/28/2023 10:19 PM
Detection Summary: Last Day's Observations


Primary Contact:

Kyle Meier

Data Steward:

Brett Turley


Coordinates: 44.780552, -113.545027  |  River Km: 522.303.416.066.000

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
2022 1/1/2022 12:00 AM 1/1/2023 12:00 AM Start and end dates based on timer tags.
2021 6/30/2021 12:00 AM 1/1/2022 12:00 AM Start and end dates based on timer tags.
2019 1/1/2019 12:00 AM 7/18/2019 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 Site was removed from August 15 - September 12 due to stream reconstruction project.
2011 6/14/2011 12:00 AM 1/1/2012 12:00 AM First year of operation. Site down from October 27-November 18 due to equipment 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:  9/26/2018
End Date:  ----

Site Configuration Diagrams:

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

No Photos

Event Log Summary

Event Date Event Type Comments
11/11/2013 1:00:00 PM General Battery levels dropping. One of the battery banks was replaced due to a dead battery.
10/23/2013 9:48:51 AM General The site is running continuously without disruption through 10/23/13.

Archived Event Logs