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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

Attention hunters: Visit our FAQ page for information about the use of centerfire, single-shot rifles for deer hunting in Illinois. 

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

Division of Water Resource Management

The Division of Water Resource Management is responsible for:

  • Regulating Floodway Construction Activities within or adjacent to Illinois rivers, lakes and streams,
  • Regulating Public Waters, 
  • Regulating Construction and Maintenance of Dams,
  • Lake Michigan Water Use allocation and monitoring,
  • National Flood Insurance Program coordination and, 
  • Flood Mitigation Program (nonstructural) administration.
 

The Division provides these services through offices in Chicago, Bartlett and Springfield.

NE IL Regulatory Program

Downstate Regulatory Program

NFIP Program

Dam & Levee Safety Programs

Lake Michigan Water Allocation

Studies & Mapping