Equitrans Midstream Corporation owns, operates, acquires, and develops natural gas gathering, transmission and storage, and water services assets in the Appalachian Basin. It operates through three segments: Gathering, Transmission, and Water. The Gathering System segment include 990 miles of high-pressure gathering lines with compression of approximately 445,000 horsepower and multiple interconnect points; and approximately 920 miles of Federal Energy Regulatory Commission (FERC) low-pressure gathering lines. Its Transmission and Storage System segment comprises 950 miles of FERC regulated interstate pipeline that connects to seven interstate pipelines and local distribution companies. The Water System segment include two independent systems comprised approximately 180 miles of pipeline that deliver fresh water from the Monongahela River, the Ohio River, local reservoirs, and various regional waterways. Equitrans Midstream Corporation was founded in 2018 and is headquartered in Canonsburg, Pennsylvania.