# TRANSCANADA NORTHERN BORDER INC — Powder River County, MT

- **operation:** document
- **citation:** NPMS FIPS 30075 / OPID 32487
- **title:** TRANSCANADA NORTHERN BORDER INC — Powder River County, MT
- **source type:** inspection
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** 2026-07-16
- **effective on:** Not available
- **summary:** 9.536252 active Natural Gas pipeline miles in Powder River County, MT; public NPMS snapshot 2026-07-16.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/npms-mileage-52ccda7ac1f6acea105ca028.json
- **markdown:** https://regulus.evalyn.ai/document/npms-mileage-52ccda7ac1f6acea105ca028.md
- **app url:** https://regulus.evalyn.ai/document/npms-mileage-52ccda7ac1f6acea105ca028
- **source url:** https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx
**body:**

TRANSCANADA NORTHERN BORDER INC (PHMSA OPID 32487) reported 9.536252 active Natural Gas pipeline miles in Powder River County, MT (county FIPS 30075) in the public NPMS summary snapshot dated 2026-07-16. The snapshot includes active assets only and excludes permanently abandoned assets. Exact pipeline locations and restricted NPMS GIS data are not included.
- **truncated:** false
- **body characters:** 359