Northwest Pipeline LLC NOTICE #32231 Update - Chehalis Unplanned Maintenance posted on May 21 2025 11:21AM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: Y Notice Stat Desc: SUPERSEDE Notice Type Desc: MAINTENANCE Post D/T: 05/21/2025 11:21 AM MCT Notice Eff D/T: 05/21/2025 11:21 AM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 25-071 Prior Notice: 25-070 Subject: Update - Chehalis Unplanned Maintenance Notice Text:
Due to additional needed work that has been identified during 
the ongoing repairs, the current anticipated return to service 
date of the Chehalis compressor station unit is June 13, 
2025. The current available capacity is 600,000 Dth/day 
southbound. 

Northwest apologizes for this inconvenience and will work 
diligently to complete all the work as quickly as possible to 
minimize any impacts. If there are schedule changes or updates, 
Northwest will adjust the posting on the Portal.  

During this period of unplanned maintenance, Northwest will 
continue the daily consideration of Operational Flow Order 
(OFO) and deficiency at Chehalis compressor station, as 
referenced in Notice ID’s 25-070 and 25-069.

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


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