# COWBOY MIDSTREAM LLC — Natrona County, WY

- **operation:** document
- **citation:** NPMS FIPS 56025 / OPID 40155
- **title:** COWBOY MIDSTREAM LLC — Natrona County, WY
- **source type:** inspection
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** 2026-07-16
- **effective on:** Not available
- **summary:** 16.393097 active Crude Oil pipeline miles in Natrona County, WY; public NPMS snapshot 2026-07-16.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/npms-mileage-fbd7c04a9405712d8edbd397.json
- **markdown:** https://regulus.evalyn.ai/document/npms-mileage-fbd7c04a9405712d8edbd397.md
- **app url:** https://regulus.evalyn.ai/document/npms-mileage-fbd7c04a9405712d8edbd397
- **source url:** https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx
**body:**

COWBOY MIDSTREAM LLC (PHMSA OPID 40155) reported 16.393097 active Crude Oil pipeline miles in Natrona County, WY (county FIPS 56025) 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:** 342