Northwest Pipeline LLC NOTICE #30843 Measurement and Gas Quality Delays posted on Oct 10 2022 9:59AM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: N Notice Stat Desc: INITIATE Notice Type Desc: OTHER Post D/T: 10/10/2022 9:59 AM MCT Notice Eff D/T: 10/10/2022 9:59 AM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 22-160 Prior Notice: Subject: Measurement and Gas Quality Delays Notice Text: The SCADA system will be upgrading over the next couple of 
weeks to leverage new functionality, features and security 
enhancements which have come at the recommendation of our 
Cybersecurity initiatives.  During these periods of upgrade, 
all of Williams’ measurement information will be temporarily 
unavailable for approximately six to seven hours.  This will 
delay the availability of hourly measurements in Passage and 
gas quality information on the Informational Postings Page. 

Each outage will begin at 3:00 pm C.S.T. on the following days:
Wednesday, October 12, 2022 
Thursday, October 13, 2022 
Tuesday, October 18, 2022 
Wednesday, October 19, 2022 

We apologize for any inconvenience this may cause you. If you 
have any questions or need assistance, please contact your 
Commercial Services Representative or the hotline at 713-215-
6301.