lake County Map Panels

Effective Flood Insurance Rate Maps for lake County may be viewed and/or downloaded at the FEMA Flood Map Service Center (MSC)

2020 Preliminary FIRMs, FIS, and FIRM database for panels under revision are available to download from the FEMA MSC


  • Links to Additional Resources
  • Preliminary Changes Since Last FIRM (CSLF) Viewer
  • Chicago River Watershed Discovery
  • Des Plaines Watershed Discovery
  • Upper Fox Watershed Discovery
  • Unmapped Special Flood Hazard Areas (SFHA) (pdf)
  • Destined for DFIRMs - stream studies becoming flood maps
  • Building Footprints
  • Topographic Wetness Index
  • NFHL Viewer (more detailed flood data displays when zoomed in). It may also be slow.

    Launch full screen NFHL Viewer