SUMMERVILLE, S.C. (WCSC) – Summerville Police are warning that two roadways will be blocked for several hours because of a broken water main line. In a post to X, Summerville Police advised that Summerville Commissioners of Public Works was on the scene around 11:15 a.m. Monday because of a force water main line that broke at Trolley Road and Beverly Drive. This specific type of water main deals with pressurized, or forced, wastewater.