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The IDNR headquarters at 1 Natural Resources Way in Springfield has experienced a power outage and tree damage throughout the grounds as a result of severe storms in the area. The agency expects to reopen the building to the public on Monday, June 15, 2026, though this could be subject to change. Check back here for an update before planning to visit the office in person.

Governor JB Pritzker Illinois.gov Contact IDNR DNR A to Z

Educational Resources

Illinois Mussels

Aquatic Illinois Resources Trunk
Endangered and Threatened Invertebrates
Field Trip Pack
Kids for Conservation® Archive – July 2018, Illinois Mussels
Illinois Mussels podcast
Illinois Mussels poster
Large Rivers of Illinois poster
Large Rivers of Illinois - accompanying poster guide
The Cache River Basin: An Inventory of the Region's Resources
The Chicago River/Lake Shore: An Inventory of the Region's Resources
The DuPage River Basin: An Inventory of the Region's Resources
The Fox River Basin: An Inventory of the Region's Resources
The Heart of the Sangamon: An Inventory of the Region's Resources
The Illinois Big Rivers: An Inventory of the Region's Resources
The Illinois Headwaters: An Inventory of the Region's Resources
The Kaskaskia River Basin: An Inventory of the Region's Resources
The Lower Rock River Basin: An Inventory of the Region's Resources
The Mackinaw River Basin: An Inventory of the Region's Resources
The Mississippi Western Five: An Inventory of the Region's Resources
The Shawnee Area: An Inventory of the Region's Resources
The Upper Des Plaines River Basin: An Inventory of the Region's Resources
The Vermilion River Basin (in the Illinois River Watershed): An Inventory of the Region's Resources
The Vermilion River Basin: An Inventory of the Region's Resources
Thorn Creek: An Inventory of the Region's Resources
Wild About Illinois Mussels! Web page

Activity Books

Aquatic Resources of Illinois (English and Spanish)

Booklet contains student lessons and related activities. Targeted Grades: 4-8. Permission to photocopy these pages is granted for use with students in the classroom.

The Watershed Adventures of Nate the Newt

Students can learn about watersheds with the activities in this 12-page booklet.