Illinois State Water Survey - Surface Water & Floodplain Information - Floodplain Information Database, University of Illinois at Urbana-Champaign
Institute of Natural Resource Sustainability
University of Illinois at Urbana-Champaign
INRS State Scientific Surveys
Illinois Natural History Survey
Illinois State Geological Survey
Illinois State Water Survey
Illinois Sustainable Technology Center
Illinois State Water Survey
Navigation
About ISWS
Research
Data
Publications
Library
Surface Water & Floodplain Information
Flood Discharge Database
Start your search by selecting a county or river basin
County:
Adams
Alexander
Bond
Boone
Brown
Bureau
Calhoun
Carroll
Cass
Champaign
Christian
Clark
Clay
Clinton
Coles
Cook
Crawford
Cumberland
Dekalb
Dewitt
Douglas
DuPage
Edgar
Edwards
Effingham
Fayette
Ford
Franklin
Fulton
Gallatin
Greene
Grundy
Hamilton
Hancock
Hardin
Henderson
Henry
Iroquois
Jackson
Jasper
Jefferson
Jersey
Jo Daviess
Johnson
Kane
Kankakee
Kendall
Knox
Lake
LaSalle
Lawrence
Lee
Livingston
Logan
Macon
Macoupin
Madison
Marion
Marshall
Mason
Massac
McDonough
McHenry
McLean
Menard
Mercer
Monroe
Montgomery
Morgan
Moultrie
Ogle
Peoria
Perry
Piatt
Pike
Pope
Pulaski
Putnam
Randolph
Richland
Rock Island
Saline
Sangamon
Schuyler
Scott
Shelby
St. Clair
Stark
Stephenson
Tazewell
Union
Vermilion
Wabash
Warren
Washington
Wayne
White
Whiteside
Will
Williamson
Winnebago
Woodford
Basin:
BIG MUDDY RIVER
CACHE RIVER
CAL SAG CHANNEL/LITTLE CALUMET R (CHICAGO/CALUMET)
DES PLAINES RIVER
DUPAGE RIVER (DES PLAINES)
EMBARRAS RIVER
FOX RIVER
GREEN RIVER
ILLINOIS RIVER
IROQUOIS RIVER
KANKAKEE RIVER
KASKASKIA RIVER
KISHWAUKEE RIVER
LAKE MICHIGAN
LITTLE WABASH RIVER
LOWER MISSISSIPPI RIVER
MACKINAW RIVER
NORTH BRANCH CHICAGO RIVER (CHICAGO/CALUMET)
OHIO RIVER
ROCK RIVER
SALINE RIVER
SALT CREEK (DES PLAINES)
SANGAMON RIVER
SPOON RIVER
UPPER MISSISSIPPI RIVER
VERMILION RIVER (ILLINOIS)
VERMILION RIVER (WABASH)
WABASH RIVER
