Transwestern transports natural gas from the San Juan, Anadarko, and Permian Basins to markets in the Midwest, Texas, Arizona, New Mexico, Nevada, and California via approximately 2,500 miles of large diameter pipeline. Transwestern’s pipeline system has a bi-directional flow capability that provides flexibility to rapidly adapt to regional demand. Transwestern’s mainline capacity flowing west is 1,225 MMcf/day; San Juan Lateral capacity is 1,610 MMcf/day. Transwestern’s system has access to Rocky Mountain production via its San Juan Lateral interconnections with TransColorado and Northwest Pipeline. Customers include local distribution companies, producers, marketers, electric power generators, and industrial end-users.
Transwestern Services Provided- Firm Transportation
- Interruptible Transportation
- Park and Ride
For Transportation Services contact:
| TK Lohman | 281-714-2012 |
| Paul Y’barbo | 281-714-2013 |
For Business Development contact:
| Herb Chambers IV | 281-714-2018 |
| Robert Giles | 281-714-2017 |
| Steven Hearn | 281-714-2027 |
For Customer Notices, Tariff information, etc. please access:
Gas Control:
Toll Free: 1-866-999-8975
For Transwestern's directory assistance please call the Houston offices at 281-714-2000.
Call Before You Dig:
Dial 811/ or call
Arizona:
Toll Free: 1-800-782-5348
New Mexico:
Toll Free: 1-800-321-2537
Texas: Toll Free:
1-800-245-4545
Contract Safety Manual
Contract Safety Forms
- CSM 001 TW Contractor Accident-Injury Report
- CSM 002 TW Excavation Inspection
- CSM 004 TW Job Hazard Analysis
- CSM 006 TW Contractor Employee Sign In Log
- CSM 007 TW Contractor Incident Reporting Log
- CSM 008 TW Contractor Safety Orientation





