Bill Friedrich found the following:

Wheaton Supports Fire/Rescue Alliance

In order to improve cooperation among the Wheaton Fire Department and West Chicago, Carol Stream and Winfield Fire Protection Districts, the City Council approved a resolution supporting the establishment of the West Suburban Fire/Rescue Alliance. The four entities have been working together to make their training and operations more uniform and to better combine resources in order to enhance public health and safety.

Previous posts on this topic are HERE and HERE.