MountainWest Pipeline

Customer Access

Transmission Services

MountainWest Pipeline
- Informational Postings
  - Capacity
  - Gas Quality
    - Gas Quality Data
      - Daily Gas Quality
      - CHDP Zone Map
    - Methodology
    - Tariff Reference
  - Index of Customers
  - Locations
  - Notices
  - Posted Imbalances
  - Standards of Conduct
  - Tariff
  - Transactional Reporting
  - Other
  - Downloads
  - Search
  - Customer Activites
    - myQuorum Login
  - Site Map
- System Operations
  - System Maintenance Calendar
- MWP Home
MountainWest Overthrust Pipeline
- Informational Postings
  - Capacity
  - Gas Quality
    - Gas Quality Data
      - Representative Mainline Points
      - Receipt Points (CHDP)
    - Methodology
    - Tariff Reference
  - Index of Customers
  - Locations
  - Notices
  - Posted Imbalances
  - Standards of Conduct
  - Tariff
  - Transactional Reporting
  - Other
  - Downloads
  - Search
  - Customer Activites
    - myQuorum Login
  - Site Map
- System Operations
  - System Maintenance Calendar
- MWOP Home
White River Hub
- Informational Postings
  - Capacity
    - Operationally Available
    - Unsubscribed
  - Gas Quality
    - Gas Quality Data
      - Daily Gas Quality
    - Methodology
    - Tariff Reference
  - Index of Customers
  - Locations
  - Notices
  - Posted Imbalances
  - Standards of Conduct
  - Tariff
  - Transactional Reporting
  - Other
  - Downloads
  - Search
  - Customer Activites
    - myQuorum Login
  - Site Map
- System Operations
  - System Maintenance Calendar
- WRH Home

System Wide Notices - MountainWest Pipeline

TSP Name:

MountainWest Pipeline, LLC

TSP:

092027077

Critical:

Notice Type Desc	Post Date/Time	Notice Eff Date/Time	Notice ID	Subject	Rsp Date/Time	Notice Stat	Prior Notice	Reqrd Rsp
STORAGE	11/17/2025 03:00 PM	11/19/2025 09:00 AM	37691	CLAY BASIN CAPACITIES-OFO		1		5

All listed times are CCT

CLAY BASIN CAPACITIES-OFO

Beginning Gas Day November 19, 2025, Timely cycle:

No injections allowed, due to capacity restrictions, until further notice.

Withdrawal capacity will remain at 600,000 Dth/d.

MountainWest Pipeline(MWP) will also issue an OFO restricting imbalance payback to pipeline and requesting customers to align flows with nominations.

If you have any questions, please contact your MWP Marketing or Contract Services Representative or the Customer Service Hotline at 801-584-6034.