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Interrogation Site Metadata

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CLE - Cle Elum Dam Interim Bypass

Status:   Active - Operations Unspecified
Site Type: Juvenile Fish Bypass Facility  |  Organization: Yakama Nation
General Operational Period: Seasonally
Start Date: 4/3/2007 12:00 PM

This site monitors the juvenile bypass flume located in the second bay of the Cle Elum Dam spillway. It originally operated from 2006 to 2010 and was reactivated in 2021. It will be operated during spill until the juvenile passage facility is complete.

Current Operations

Last File Loaded: CLE10173.F1
Date Last File Loaded: 8/5/2010 1:18 PM
Date Last File Opened:
Date Last File Closed:
Last Observation Tag:
Last Observation Date:
Detection Summary: Last Day's Observations


Primary Contact:

Zack Mays

Data Steward:

Jason Romine


Coordinates: 47.245637, -121.073854  |  River Km: 539.299.013

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
2010 6/7/2010 11:00 AM 6/29/2010 9:00 AM
2009 5/4/2009 9:30 AM 6/25/2009 8:02 AM The spillway flume was initially watered up on April 30, but was immediately shut down to repair a leak. The repaired flume was watered up on May 4. Tags detected between 5/9/09 12:01 and 5/12/09 08:21 are reported with an averaged timestamp of 5/10/09 00:00:00. The spillway flume detection system was deactivated for the year on June 25.
2008 5/29/2008 12:00 PM 7/13/2008 12:00 AM The Point of Contact this year is Patrick Monk (
2007 4/3/2007 12:00 PM 7/10/2007 12:00 PM The Cle Elum Spillway Bypass watered up at noon (PDT) on April 3, 2007. The bypass was dewatered on July 10, 2007.
2006 First year of operation.


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:  4/27/2021
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


Photos are contributed from stewards of the site.

Event Log Summary

Event Date Event Type Comments
4/27/2021 4:26:00 PM General On 4/27 at 14:30, the antennas in the flume began collecting data. On 5/24 at 09:00, the gates were opened and water began spilling.

Archived Event Logs