Texas Pipeline System Mileage
*A T-4 is a permit to operator a pipeline.
**A master metered system is a pipeline system, other than one designated as a local distribution system, for distributing natural gas within but not limited to a definable area, such as a mobile home park, housing project, or apartment complex, where the operator purchases metered gas from an outside source for resale through a gas distribution pipeline system.
*** Increase from PHMSA Gathering Line Rule CY-2022: https://www.federalregister.gov/documents/2021/11/15/2021-24240/pipeline-safety-safety-of-gas-gathering-pipelines-extension-of-reporting-requirements-regulation-of
**** Data Source Update to PHMSA Pipeline Datamart. Miles based on calendar year end annual reports for pipelines operating in Texas.
| Item | Pipeline Type | 2023 | 2024 | Jurisdiction | T-4* |
|---|---|---|---|---|---|
| 1 | Natural Gas Distribution: Mains - Services | 167,442 | 168,778 | Intra-State | No |
| 2 | Natural Gas Master Meters** | 577 | 570 | Intra-State | No |
| 3 | LP-Gas Distribution: Mains - Services | 495 | 511 | Intra-State | No |
| 4 | Natural Gas Transmission | 33,760 | 33,816 | Intra-State | Yes |
| 5 | Natural Gas Gathering | 141,795*** | 152,594 | Intra-State | Yes |
| 6 | Hazardous Liquids Transmission | 44,183 | 44,738 | Intra-State | Yes |
| 7 | Hazardous Liquids Gathering | 17,167 | 17,816 | Intra-State | Yes |
| 8 | Total Intra-State Pipeline Miles (RRC) (sum of 1 through 7) |
405,379 | 418,823 | ||
| 9 | Inter-State Natural Gas Transmission - Gathering | 14,214 | 14,725 | Inter-State | Courtesy |
10 |
Inter-State Hazardous Liquids Transmission - Gathering | 32,432 | 31,477 | Inter-State | Courtesy |
| 11 | Total Inter-State Pipeline Miles (PHMSA) (sum of 9 and 10) |
46,646 | 46,202 | ||
| 12 | Total Pipeline Miles in Texas: Inter-State (PHMSA) and Intra-State (RRC) (sum of 8 and 11) |
452,025**** | 465,025**** |
