ILLINOIS RIVER AT MARSEILLES, IL

ILLINOIS RIVER IL USGS

ILLINOIS RIVER AT MARSEILLES, IL (05543500) is a real-time streamflow monitoring station on the ILLINOIS RIVER in IL, operated by the U.S. Geological Survey. Riverbot tracks its streamflow and alerts anglers the moment flow and temperature hit their fishing window. 20 fish species are associated with this station in public fish records.

USGS site number
05543500
Operated by
U.S. Geological Survey
State
IL
Coordinates
41.3270, -88.7171

Live conditions & history

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Fish recorded near this station

Community observations nearby

Illinois River At Marseilles, Il has 20 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.

Species include: Skipjack Shad (Alosa chrysochloris), Yellow Bullhead (Ameiurus natalis), American Eel (Anguilla rostrata), Freshwater Drum (Aplodinotus grunniens), White Sucker (Catostomus commersonii), and 15 others.

3 species above are flagged non-native or potentially invasive (Grass Carp, Silver Carp, Round Goby). Records show what has been observed near this station, not what is native to the watershed.

Where these records come from

Evidence
Community observations nearby
Research-grade community observations (iNaturalist) recorded near this station, not a formal survey.
Records
20 species
from 36 individual records
Observed
Oct 27, 2013 – Oct 12, 2025
36 dated records

Sources