# COLONIAL PIPELINE CO — Montgomery County, MD

- **operation:** document
- **citation:** NPMS FIPS 24031 / OPID 2552
- **title:** COLONIAL PIPELINE CO — Montgomery County, MD
- **source type:** inspection
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** 2026-07-16
- **effective on:** Not available
- **summary:** 42.634735 active Non-HVL Petroleum Product pipeline miles in Montgomery County, MD; public NPMS snapshot 2026-07-16.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/npms-mileage-a71378bc01a62572882380b4.json
- **markdown:** https://regulus.evalyn.ai/document/npms-mileage-a71378bc01a62572882380b4.md
- **app url:** https://regulus.evalyn.ai/document/npms-mileage-a71378bc01a62572882380b4
- **source url:** https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx
**body:**

COLONIAL PIPELINE CO (PHMSA OPID 2552) reported 42.634735 active Non-HVL Petroleum Product pipeline miles in Montgomery County, MD (county FIPS 24031) 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:** 360