The City of Vandalia has issued a boil order for 5th Street from Gallatin Street to Main Street, Main Street from 5th Street to 8th Street, Randolph Street from 6th to 5th Streets, 6th Streets from Main Street to St. Clair Street, 7th Street from Jefferson St. to St. Clair, and St. Clair from 6th to 7th Streets until further notice.