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Interrogation Site Metadata

SWT - Sweetwater Cr. near its mouth

Status:   Active - Operational
Site Type: Instream Remote Detection System  |  Organization: Nez Perce Tribe
General Operational Period: Year Round
Start Date: 4/3/2009 12:00 AM

This is an in-stream interrogation system consisting of three separate antennas, 5 meters apart and approximately 0.1 kilometers upstream from the mouth of Sweetwater Creek. The upstream antenna B1, middle antenna B2, and downstream antenna B3 each consist of a single PVC encased flat-plate antenna. Antennas B1 and B3 are 15 feet wide and antenna B2 is 10 feet wide. The antennas all cover the width of the stream in all but the highest spring discharges (Figure 3). SWT is operated by the University of Idaho, Department of Fish and Wildlife Resources in coordination with Bureau of Reclamation. This new setup was installed in November 2011 and replaced the old setup that was originally installed in November 2010.

Current Operations

Last File Loaded: SWT-2022-115-P-ALL.xml
Date Last File Loaded: 6/9/2022 10:10 AM
Date Last File Opened: 4/25/2022 10:00 PM
Date Last File Closed: 6/8/2022 11:00 PM
Last Observation Tag: 3DD.003D82B945
Last Observation Date: 5/27/2022 5:44 PM
Detection Summary: Last Day's Observations


Primary Contact:

Cameron Albee


Coordinates: 46.369217, -116.795757  |  River Km: 522.

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 1/13/2021 12:00 AM 1/1/2022 12:00 AM Start and end dates based on timer tags.
2020 1/1/2020 12:00 AM 8/28/2020 12:00 AM Start and end dates based on timer tags. See event logs for additional operational information.
2019 1/17/2019 12:00 AM 7/29/2019 12:00 AM Start and end dates based on timer tags.
2018 1/1/2018 12:00 AM 12/29/2018 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 No reported interruptions in operations.
2012 1/1/2012 12:00 AM 1/1/2013 12:00 AM Site down May 10-24, October 5 for ~8 hours. Site experience miscellaneous issues in November and December, see 2012 event log for details.
2011 1/17/2011 1:00 PM 1/1/2012 12:00 AM Site modified with addition of third antenna. Data from March 22 on were lost when the MUX was washed away on April 2. Site resumed operations on November 2 with three new antennas.
2010 1/1/2010 12:00 AM 9/7/2010 12:18 PM The SWT site was flooded out from April 23 - June 1, 2010. Any PIT tag detections between Sept 7, 2010 and Jan. 1, 2011 will be reported as recaptures.
2009 4/3/2009 12:00 AM 1/1/2010 12:00 AM First year of operation. The upstream pass-through antenna (A1) was out of service until April 29, 2009.


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.

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Start Date:  1/1/2011
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.

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Equipment Code Description Start Date End Date

No Photos

Event Log Summary

Event Date Event Type Comments
10/15/2021 12:00:00 AM General

SWT is operating continuously without disruption through October 15, 2021.

1/13/2021 9:05:00 AM SiteUp Sweetwater Creek array (SWT) lost power in late October, 2020 due to battery failure. SWT became fully operational and is running continuously again January 13, 2021.
5/10/2018 1:05:01 PM General I reset the mux clock to the correct time.
10/29/2015 2:34:05 PM General Normal operations through 10/29/15
6/30/2014 7:24:00 AM SiteUp Batteries went bad and data was lost from 6/20/2014 at 5:12 through 6/30/14 at 7:24
6/20/2014 5:12:00 AM SiteDown Batteries went bad and data was lost from 6/20/2014 at 5:12 through 6/30/14 at 7:24
1/22/2014 8:37:00 AM General Operations are normal, site has been running continuously through all of 2013.

Archived Event Logs