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    Tools > Informational Postings > Northwest Pipeline > Critical Notices > Notice 26-175

    Northwest Notice 26-175

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    All information here is provided as a service and information is not guaranteed to be accurate. PipeRiv is not responsible for any incorrect information.

    TSP Name: Northwest Pipeline LLC TSP: 67977322

    Critical: Y
    Notice Stat Desc: SUPERSEDE
    Notice Type Desc: MAINTENANCE
    Post D/T: 09/08/2026 1:40 PM MCT
    Notice Eff D/T: 09/08/2026 1:40 PM MCT
    Notice End D/T:
    Reqrd Rsp Desc: No response required
    Rsp D/T:

    Notice ID: 26-175
    Prior Notice: 26-162
    Subject: Sumas Meter Upgrade Part 2 - Maintenance Complete

    Notice Text:

    Northwest Pipeline would like to inform its customers that the 
    Sumas Meter Upgrade Part 2 outage posted on Northwest’s website 
    from Gas Day September 02, 2026, through Gas Day September 09, 
    2026, and referenced in Notice #26-162 will be completed by the 
    end of Gas Day September 08, 2026. 

    Northwest will begin accepting nominations up to the design of 
    1,409,000 Dth/d southbound through the Sumas CS (located at MP 
    1484.48 in Whatcom County, Washington) effective for the Timely 
    cycle for Gas Day September 09, 2026. This notice will also 
    formally end the current deficiency period at the Sumas CS 
    referenced in Notice #26-171. 

    Please reference the Maintenance Schedule tab at 
    www.northwest.williams.com for more information.


    If you have any questions, please call your Commercial Services 
    Representative or the hotline at 713-215-6301.
    TSP Name: Northwest Pipeline LLC TSP: 67977322

    Critical: Y
    Notice Stat Desc: SUPERSEDE
    Notice Type Desc: MAINTENANCE
    Post D/T: 09/08/2026 1:40 PM MCT
    Notice Eff D/T: 09/08/2026 1:40 PM MCT
    Notice End D/T:
    Reqrd Rsp Desc: No response required
    Rsp D/T:

    Notice ID: 26-175
    Prior Notice: 26-162
    Subject: Sumas Meter Upgrade Part 2 - Maintenance Complete

    Notice Text:

    Northwest Pipeline would like to inform its customers that the 
    Sumas Meter Upgrade Part 2 outage posted on Northwest’s website 
    from Gas Day September 02, 2026, through Gas Day September 09, 
    2026, and referenced in Notice #26-162 will be completed by the 
    end of Gas Day September 08, 2026. 

    Northwest will begin accepting nominations up to the design of 
    1,409,000 Dth/d southbound through the Sumas CS (located at MP 
    1484.48 in Whatcom County, Washington) effective for the Timely 
    cycle for Gas Day September 09, 2026. This notice will also 
    formally end the current deficiency period at the Sumas CS 
    referenced in Notice #26-171. 

    Please reference the Maintenance Schedule tab at 
    www.northwest.williams.com for more information.


    If you have any questions, please call your Commercial Services 
    Representative or the hotline at 713-215-6301.

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