Mississippi River Pool Lock and Dam 26 at Alton,IL
Mississippi River IL USGS
Mississippi River Pool Lock and Dam 26 at Alton,IL (05587498) is a real-time river monitoring station on the Mississippi River in IL, operated by the U.S. Geological Survey. Riverbot tracks its river conditions, including water level and keeps recent, datum-labelled water-level history for anglers. 61 fish species are associated with this station in public fish records.
- USGS site number
- 05587498
- Operated by
- U.S. Geological Survey
- State
- IL
- Coordinates
- 38.8873, -90.1840
Live conditions & history
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Fish recorded near this station
Community observations nearbyMississippi River Pool Lock And Dam 26 At Alton,Il has 61 fish species documented via iNaturalist research-grade observations within 10 km. These community-sourced records indicate fish presence in the vicinity.
Species include: River Shiner (Alburnops blennius), Skipjack Shad (Alosa chrysochloris), Eyetail Bowfin (Amia ocellicauda), American Eel (Anguilla rostrata), Freshwater Drum (Aplodinotus grunniens), and 56 others.
- River Shiner Alburnops blennius
- Skipjack Shad Alosa chrysochloris
- Eyetail Bowfin Amia ocellicauda
- American Eel Anguilla rostrata
- Freshwater Drum Aplodinotus grunniens
- Goldfish Carassius auratus non-native
- River Carpsucker Carpiodes carpio
- Quillback Carpiodes cyprinus
- Grass Carp Ctenopharyngodon idella non-native
- Blue Sucker Cycleptus elongatus
- Red Shiner Cyprinella lutrensis
- Spotfin Shiner Cyprinella spiloptera
- European Carp Cyprinus carpio non-native
- American Gizzard Shad Dorosoma cepedianum
- Threadfin Shad Dorosoma petenense
- Johnny Darter Etheostoma nigrum
- Banded Killifish Fundulus diaphanus
- Northern Starhead Topminnow Fundulus dispar
- Blackstripe Topminnow Fundulus notatus
- Western Mosquitofish Gambusia affinis
- Goldeye Hiodon alosoides
- Mooneye Hiodon tergisus
- Mississippi Silvery Minnow Hybognathus nuchalis
- Silver Carp Hypophthalmichthys molitrix non-native
- Bighead Carp Hypophthalmichthys nobilis non-native
- Blue Catfish Ictalurus furcatus
- Channel Catfish Ictalurus punctatus
- Smallmouth Buffalo Ictiobus bubalus
- Bigmouth Buffalo Ictiobus cyprinellus
- Black Buffalo Ictiobus niger
- Brook Silverside Labidesthes sicculus
- Longnose Gar Lepisosteus osseus
- Shortnose Gar Lepisosteus platostomus
- Green Sunfish Lepomis cyanellus
- Warmouth Lepomis gulosus
- Orangespotted Sunfish Lepomis humilis
- Bluegill Lepomis macrochirus
- Greengill Sunfish Lepomis macrochirus × cyanellus
- Longear Sunfish Lepomis megalotis
- Redear Sunfish Lepomis microlophus
- Silver Chub Macrhybopsis storeriana
- Largemouth Bass Micropterus nigricans
- Spotted Bass Micropterus punctulatus
- White Bass Morone chrysops
- White × Striped Bass Morone chrysops × saxatilis
- Yellow Bass Morone mississippiensis
- Striped Bass Morone saxatilis
- Shorthead Redhorse Moxostoma macrolepidotum
- Golden Shiner Notemigonus crysoleucas
- Emerald Shiner Notropis atherinoides
- Tadpole Madtom Noturus gyrinus
- Channel Shiner Paranotropis wickliffi
- Suckermouth Minnow Phenacobius mirabilis
- Bluntnose Minnow Pimephales notatus
- Bullhead Minnow Pimephales vigilax
- White Crappie Pomoxis annularis
- Black Crappie Pomoxis nigromaculatus
- Flathead Catfish Pylodictis olivaris
- Sauger Sander canadensis
- Shovelnose Sturgeon Scaphirhynchus platorynchus
- Creek Chub Semotilus atromaculatus
5 species above are flagged non-native or potentially invasive (Goldfish, Grass Carp, European Carp, Silver Carp, Bighead Carp). 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
- 61 species
- from 200 individual records
- Observed
- Jun 29, 2020 – Aug 18, 2026
- 200 dated records
Sources
- iNaturalist research-grade fish observations — 200 records