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Interrogation Site Metadata

LOR - Lost River at rkm 0.81

Status:   Decommissioned
Site Type: Instream Remote Detection System  |  Organization: Washington Dept. of Fish and Wildlife
General Operational Period: Year Round
Start Date: 3/22/2013 12:00 AM
End Date: 8/18/2017 11:00 AM

This site is a permanent instream PIT tag detection system located at rkm 0.81 on the Lost River (Methow River Basin), located near the Lost River Airport. The site consists of two rows of three 20-foot antennas. All antennas are installed in flat plate configuration. Each row of antennas spans the wetted width of the channel during base flows. The antennas were built and installed by WDFW. The site is powered by a thermoelectric generator. A Campbell Scientific CR-1000 data logger and cellular modem are installed on site to automate data collection and provide remote communication. A water temperature and pressure probe, and an air temperature probe are also installed on site to monitor environmental conditions. Site removed August 2017.


Primary Contact:

David Grundy

Data Steward:

Jay Deason
509-664-3148 x22


Coordinates: 48.655382, -120.505688  |  River Km: 843.122.001

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
2017 1/1/2017 12:00 AM 8/18/2017 11:00 AM Site shut down August 18 and equipment removed with no plans to reinstall.
2016 1/1/2016 12:00 AM 1/1/2017 12:00 AM
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 3/22/2013 12:00 AM Antennas F2 and F3 funtioning poorly or not at all from March 22-July 17 when both were replaced.


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:  3/22/2013
End Date:  8/18/2017

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.

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Equipment Code Description Start Date End Date

No Photos

Event Log Summary

Event Date Event Type Comments
8/18/2017 11:00:00 AM SiteDown On 8/18/2017 at approximately 11:00 the Lost River interrogation site was shut off and the equipment will be removed.
5/21/2013 11:54:55 AM General Initial event log for site LOR. Todd Miller ( is the data steward. Ben Truscott ( is the technical POC.

Archived Event Logs