Site Type

Site Name

 

WW1 - Harris Bridge S F Walla Walla

The WW1 PIT interrogation site is located on the South Fork Walla Walla River approximately 13 kilometers upstream from the confluence with the North Fork Walla Walla River. The site consists of two pass over HDPE antennas that overlap to cover the full wetted width of the river. A IS1001 Master Controller and two IS1001 nodes are powered by a hardline source.

Operated by:

USFWS

First year:

2002

Last year:

2017

RKM:

509.081.013

Site Contacts

Steward

Courtney Newlon
Courtney_Newlon@fws.gov
(360) 604-2500

Map

Photo Gallery

Operational Dates

Year Start Date End Date Notes
2014 1/1/2014 1/1/2015 Site down February 19 - May 28. Antenna 1 down June 26 - July 5.
2016
2015 1/1/2015 1/1/2016
2017
2002 9/6/2002 1/1/2003 First year of operation.
2003 1/1/2003 1/1/2004 Coil A1 at WW1 was lost sometime between 2/3 and 2/5/03. As per prior ODOT agreement, the entire WW1 site was decommissioned between 2/13/03 and 4/11/03 during bridge repairs.
2004 1/1/2004 1/1/2005
2005 1/1/2005 1/1/2006
2006 1/1/2006 1/1/2007 On October 5, the existing pair of pass-through antennas, located immediately upstream of the bridge, were augmented with a flat-plate array deployed immediately downstream of the bridge.
2007 1/1/2007 1/1/2008 WW1 was out of service between Feb. 15 and March 2.
2008 1/1/2008 1/1/2009 The power was off for 27 hours on Jan. 5-6. The antennas individually failed between May 5 and May 16 at 19:52, at which point the entire site was OOS until July 9, when both antennas were re-installed.
2009 1/1/2009 1/1/2010
2010 1/1/2010 1/1/2011 Site interrogation activies were suspended between June 3 and July 13 due to loss of power.
2011 1/1/2011 1/1/2012 Antennas 1 & 2 washed out during high flows on Jan. 16. Site operations are suspended until flows recede. Antennas reinstalled and site operational on June 30.
2012 1/1/2012 1/1/2013 Site down from March 28 - June 11. Antennas 1 and 2 were repaired and became operational on June 11.
2013 1/1/2013 1/1/2014 Site down April 19 - May 20. Antenna 1 down December 15.

Current and Historic Site Configurations

Config Seq: 140

Start Date: 10/28/2015

End Date:

Config Seq: 130

Start Date: 6/16/2009

End Date: 10/28/2015

Config Seq: 120

Start Date: 10/7/2006

End Date: 6/16/2009

Config Seq: 110

Start Date: 9/3/2002

End Date: 10/7/2006

Config Seq: 100

Start Date: 9/3/2002

End Date: 9/3/2002

Event Logs