By Claire Colbert, CNN
An estimated 935,000 people in 23 communities in the Greater Detroit area were placed under a boil water advisory on Saturday after a leak was discovered in a 120-inch water main that distributes water from the Lake Huron Water Treatment Facility to residents, the Great Lakes Water Authority said.
The leak was discovered early Saturday, according to GLWA. The leak is about a mile west of the Lake Huron water treatment facility and crews are working to isolate the area so repair work can begin.
GLWA initially issued a precautionary measure Boil water advisory for the following communities affected by the rupture: the Village of Almont, the Town of Auburn Hills, the Township of Bruce, the Township of Burtchville, the Township of Chesterfield, the Township of Clinton, the Town of Flint, the Township of Flint, Town of Imlay City, Township of Lenox, Township of Macomb, Mayfield Township, Village of New Haven, Township of Orion, Town of Pontiac, City of Rochester, Town of Rochester Hills, Town of Romeo, Township of Shelby, City of Sterling Heights, City of Troy, City of Utica and Township of Washington.
Several communities were removed from the list on Saturday afternoon, including the city of Flint, which has been battling water issues since the 2014 water crisis in which lead-contaminated water was pumped into residents’ homes and businesses.
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CNN’s Chuck Johnston contributed to this report.