A boil-water advisory has been issued for some residents and businesses in Trenton, New Jersey.
The Trenton Water Works announced there is a potential or actual threat to the water quality. Officials are not saying what the problem is.
Officials say residents should boil water before drinking, cooking, making ice or brushing teeth. The advisory remains in effect until repairs are made.
The advisory affects about 35,000 people who live along the Delaware River.