Equitrans Midstream Corp. engages in the provision of midstream services. It operates through the following segments: Gathering, Transmission, and Water. The Gathering segment includes EQM's high-pressure gathering lines and FERC-regulated low-pressure gathering lines. The Transmission segment refers to the EQM's FERC-regulated interstate pipelines and storage system. The Water segment consists of EQM's water pipelines, impoundment facilities, pumping stations, take point facilities, and measurement facilities. The company was founded on February 21, 2018 and is headquartered in Canonsburg, PA.