New Delhi, July 20 -- A boil-water advisory remains in effect for more than 11,000 residents in Prince George's County after a 16-inch water main ruptured near the Cheverly Metro Station late on Friday, causing widespread drops in water pressure and sparking a health alert.

The Washington Suburban Sanitary Commission (WSSC Water) issued the advisory on Friday night, urging residents to boil tap water for at least one minute before drinking, cooking, or brushing their teeth. The advisory impacted residents in Hyattsville, Cheverly, Seat Pleasant, Capitol Heights, and surrounding communities, reported ABC News.

While water service has now been restored to most residential consumers, WSSC officials, according to a NBC news report, have war...