# GREAT LAKES GAS TRANSMISSION LIMITED PARTNERSHIP — Mackinac County, MI

- **operation:** document
- **citation:** NPMS FIPS 26097 / OPID 6660
- **title:** GREAT LAKES GAS TRANSMISSION LIMITED PARTNERSHIP — Mackinac County, MI
- **source type:** inspection
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** 2026-07-16
- **effective on:** Not available
- **summary:** 157.234966 active Natural Gas pipeline miles in Mackinac County, MI; public NPMS snapshot 2026-07-16.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/npms-mileage-348278c0c9971419b8ea1296.json
- **markdown:** https://regulus.evalyn.ai/document/npms-mileage-348278c0c9971419b8ea1296.md
- **app url:** https://regulus.evalyn.ai/document/npms-mileage-348278c0c9971419b8ea1296
- **source url:** https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx
**body:**

GREAT LAKES GAS TRANSMISSION LIMITED PARTNERSHIP (PHMSA OPID 6660) reported 157.234966 active Natural Gas pipeline miles in Mackinac County, MI (county FIPS 26097) 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.
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- **body characters:** 373