FIRST ALERT: Crews respond to Mt. Pleasant water main break As of 1:30 p.m., the eastbound side of Dawley Boulevard was down to one lane. (Source: Mount Pleasant Police) By Live 5 Web Staff | February 10, 2021 at 1:31 PM EST - Updated February 10 at 2:40 PM MOUNT PLEASANT, S.C. (WCSC) - Mount Pleasant police are warning drivers to avoid the area of a water main break. Police reported the break on Chuck Dawley Boulevard near Coleman Boulevard at approximately 1:16 p.m. Police warned drivers to avoid alternate routes to avoid the area. As of 1:30 p.m., the eastbound side of Dawley Boulevard was down to one lane.