Northwest Notice 25-176

TSP Name: Northwest Pipeline LLC TSP: 67977322

Critical: Y
Notice Stat Desc: SUPERSEDE
Notice Type Desc: MAINTENANCE
Post D/T: 09/29/2025 10:48 AM MCT
Notice Eff D/T: 09/29/2025 10:48 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:

Notice ID: 25-176
Prior Notice: 25-161
Subject: Chehalis update unplanned maintenance extended

Notice Text:

Northwest is in the process of returning Unit #1 to service

with the anticipated full in-service date now extended to

October 8, 2025.

 

Northwest will continue to mitigate Operational Flow Orders 

(OFO) and deficiency impacts at the Chehalis compressor station 

on an operationally available basis, as referenced in Notice ID 

25-161. Any changes or updates to the schedule will be promptly 

communicated via the Northwest Pipeline Portal.  

Northwest Pipeline is working diligently to safely 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.

Northwest will continue to mitigate Operational Flow Orders 

(OFO) and deficiency impacts at the Chehalis compressor station 

on an operationally available basis, as referenced in Notice ID 

25-161. Any changes or updates to the schedule will be promptly 

communicated via the Northwest Pipeline Portal.  

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.