# TRANSWESTERN PIPELINE COMPANY LLC — Yavapai County, AZ

- **operation:** document
- **citation:** NPMS FIPS 04025 / OPID 19610
- **title:** TRANSWESTERN PIPELINE COMPANY LLC — Yavapai County, AZ
- **source type:** inspection
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** 2026-07-16
- **effective on:** Not available
- **summary:** 195.207504 active Natural Gas pipeline miles in Yavapai County, AZ; public NPMS snapshot 2026-07-16.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/npms-mileage-67f37c277d9e9125205559c2.json
- **markdown:** https://regulus.evalyn.ai/document/npms-mileage-67f37c277d9e9125205559c2.md
- **app url:** https://regulus.evalyn.ai/document/npms-mileage-67f37c277d9e9125205559c2
- **source url:** https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx
**body:**

TRANSWESTERN PIPELINE COMPANY LLC (PHMSA OPID 19610) reported 195.207504 active Natural Gas pipeline miles in Yavapai County, AZ (county FIPS 04025) 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:** 358