# NORTHWEST PIPELINE LLC — Marion County, OR

- **operation:** document
- **citation:** NPMS FIPS 41047 / OPID 13845
- **title:** NORTHWEST PIPELINE LLC — Marion County, OR
- **source type:** inspection
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** 2026-07-16
- **effective on:** Not available
- **summary:** 49.900852 active Natural Gas pipeline miles in Marion County, OR; public NPMS snapshot 2026-07-16.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/npms-mileage-3b32219b847e6c0952d97379.json
- **markdown:** https://regulus.evalyn.ai/document/npms-mileage-3b32219b847e6c0952d97379.md
- **app url:** https://regulus.evalyn.ai/document/npms-mileage-3b32219b847e6c0952d97379
- **source url:** https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx
**body:**

NORTHWEST PIPELINE LLC (PHMSA OPID 13845) reported 49.900852 active Natural Gas pipeline miles in Marion County, OR (county FIPS 41047) 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:** 345