The Mountain Valley Pipeline and Equitrans Expansion Project Draft Supplemental Environmental Impact Statement Notice of Availability was published in the %3Aem%3AFederal Register %3A/em%3Aon December 23, 2022. This publication initiated a 45-day public comment period on the Draft SEIS until February 6, 2023.
In response to public requests, the comment period has been extended to 11:59 p.m. EST on February 21, 2023.