US HB6798

Designates the Calumet National Heritage Area spanning 3 counties in Indiana (Lake, Porter, and LaPorte) and portions of 2 counties in Illinois as a component of the National Heritage Area System

Names the Calumet Heritage Partnership as the local coordinating entity responsible for managing the heritage area

Requires the local coordinating entity to submit a management plan to the Secretary of the Interior within 3 years of enactment

Secretary of the Interior's authority to provide assistance for the heritage area terminates 15 years after enactment

Region includes significant sites such as Pullman National Historical Park, Indiana Dunes National Park, 48,000 acres of protected conservation land, 5 national natural landmarks, and 2 National Underground Railroad Network to Freedom sites