Antis File Lawsuit to Cancel MarkWest Compressor Permit in SWPA Energy Services | Industrywide Issues | Litigation | MarkWest Energy | Pennsylvania | Pipelines | Regulation | Washington County January 27, 2020April 20, 2022 Big Green groups are colluding on a new lawsuit aimed at overturning a permit that allows a compressor station located in Smith Township (Washington County, PA) to continue operating. Gee, color us surprised. Please Login to view this content. (Not a member? Join Today!) Related