Millennium Reserve is a transforming region with thriving commerce, communities, and wildlife.

Millennium Reserve has transitioned to a new organization, Calumet Collaborative.

To learn more, click here

The Reserve is both a geographic area that stretches from downtown Chicago southeast into Indiana's Lake, Porter, and LaPorte counties and southwest to suburban Park Forest in Illinois…

And the Reserve is a partnership that brings together communities, government, and businesses who have committed to common goals and a shared action agenda.