Northwest Pipeline LLC NOTICE #31350 Snohomish Compressor Station Declared Deficiency Period posted on Sep 11 2023 3:33PM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: Y Notice Stat Desc: INITIATE Notice Type Desc: CURTAILMENT Post D/T: 09/11/2023 3:22 PM MCT Notice Eff D/T: 09/11/2023 3:22 PM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 23-186 Prior Notice: Subject: Snohomish Compressor Station Declared Deficiency Period Notice Text: As part of Northwest’s scheduled maintenance and as indicated 
in All Shippers Notice #23-172, Northwest is currently 
performing work at the Snohomish Compressor Station from 
September 6, 2023 through September 22, 2023. 

Primary nomination requests at the Snohomish Compressor Station 
have exceeded the available capacity of 853,000 Dth/d 
Southbound (or whatever Northwest can mitigate). Therefore, 
pursuant to Sections 10.2 and 10.3 of Rate Schedule TF-1 in 
Northwest's Tariff, Northwest hereby gives notice of a 
Deficiency Period for Gas Day Tuesday, September 12, 2023.
The Deficiency will be calculated based on a design capacity of 
1,118,000 Dth/d Southbound and available capacity of 853,000 
Dth/d Southbound at the Snohomish Compressor Station. The 
Deficiency Period will continue until the work is completed on 
September 22, 2023. Northwest will post on its EBB if unable to 
mitigate volumes each day until the work is completed.

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.