Northwest Pipeline LLC NOTICE #32230 Chehalis Unplanned Maintenance posted on May 15 2025 2:44PM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: Y Notice Stat Desc: SUPERSEDE Notice Type Desc: MAINTENANCE Post D/T: 05/15/2025 2:40 PM MCT Notice Eff D/T: 05/15/2025 2:40 PM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 25-070 Prior Notice: 25-069 Subject: Chehalis Unplanned Maintenance Notice Text: Northwest has experienced additional unplanned maintenance at 
the Chehalis compressor station. Effective Gas Day Saturday, 
May 17, 2025, and until further notice, Northwest is issuing an 
OFO Recall Advisory and Operational Flow Order (OFO) southbound 
through the Chehalis compressor pursuant to Section 14.15(d) of 
its Tariff and the current capacity will be limited to 600,000 
Dth/day southbound. The start of the OFO and capacity 
restrictions supersede Notice ID 25-069.

Northwest Pipeline will work diligently to bring this station 
back into service as quickly as possible to minimize any 
impacts.

Shippers can monitor throughput quantities and obtain a copy of 
Northwest’s OFO procedures on Northwest’s website at 
www.northwest.williams.com.  

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