FEMA Flood Insurance Rate Maps, Studies, and Database Products

The Illinois State Water Survey is providing preliminary and final Flood Insurance Rate Maps on this web site. Maps revised between preliminary and final phases are not posted. Effective Flood Insurance Rate Maps are posted at the Federal Emergency Management Agency Map Service Center web site. The FEMA web site for each effective digital FIRM may be accessed by selecting the county and individual map.

IllinoisCountyMap Adams County Alexander County Boone County Brown County Bureau County Calhoun County Carroll County Cass County Champaign County Christian County Clark County Clinton County Coles County Cook County Crawford County Cumberland County DeKalb County DeWitt County Douglas County DuPage County Edgar County Franklin County Fulton County Gallatine County Greene County Grundy County Hancock County Hardin County Henderson County Henry County Iroquois County Jackson County Jefferson County Jersey County Jo Daviess County Kane County Kankakee County Kendall County Knox County Lake County LaSalle County Lawrence County Lee County Livingston County Logan County Macon County Madison County Marion County Marshall County Mason County McHenry County McLean County Menard County Mercer County Monroe County Morgan County Moultrie County Ogle County Peoria County Perry County Piatt County Pike County Putnam County Rock Island County Randolph County Saline County Sangamon County Schuyler County Scott County St. Clair County Stephenson County Tazewell County Union County Vermilion County Wabash County White County Whiteside County Will County Williamson County Winnebago County Woodford County

 

To download or view a map, click the bolded counties on the map above. Counties in red are preliminary, and are for review purposes only. Preliminary maps are not official, and are not to be reproduced or used as official FEMA maps until they are finalized. There is a six month period, before maps become effective, in which the community updates, revises, and adopts ordinances to comply with the new FEMA maps. During this six month period a county's FIRM status is considered final. Counties in blue have final maps. Counties in green have become effective. Counties with hash marks have revisions for some panels. Please see our disclaimer.