Water outage begins Tuesday for MAWC customers in Murrysville, Penn Township, Jeannette Rich Cholodofsky Monday, July 18, 2022 4:18 p.m. | Monday, July 18, 2022 4:18 p.m. Go Ad-Free Today! Tribune-Review Two inoperable valves on a 36-inch transmission line, such as those pictured, will require a service interruption to 277 Municipal Authority of Westmoreland County customers on Tuesday. The outage is expected to last about 24 hours. Share this post: Facebook Twitter LinkedIn Reddit Email