Illinois Fishing Water Quality
Find the best fishing spots in Illinois with real-time water quality data
Top Fishing Spots in Illinois
MASON TAZEWELL DRAINAGE D AT CR2350E NR TOPEKA, IL
OHIO RIVER AT OLMSTED, IL
MISSISSIPPI RIVER AT DAM 13 NEAR FULTON, IL
DES PLAINES RIVER AT ROUTE 53 AT JOLIET, IL
LICK CREEK NEAR WOODSIDE, IL
SUGAR CREEK NEAR CHATHAM, IL
ILLINOIS RIVER AT FLORENCE, IL
Mississippi River Pool Lock and Dam 26 at Alton,IL
HANSON GRAVEL PIT AT CULVERT NEAR MORRIS, IL
FOX RIVER NEAR MCHENRY, IL
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Fishing Closures
Coverage for IllinoisVerify before fishing
Regulations can change by season, species, and water body.
Illinois Beach Nature Preserve
SpeciesNorth Dunes Nature Preserve
SpeciesAbout Fishing in Illinois
Illinois offers diverse fishing opportunities with 285 water quality monitoring stations tracking conditions across the state. Whether you're looking for bass, trout, catfish, or other species, our real-time water quality data helps you find the best fishing spots.
Understanding Water Quality Scores
Our readiness scores (0-100) combine multiple factors including dissolved oxygen levels, pH balance, water temperature, and turbidity. Scores above 75 indicate excellent fishing conditions, while scores between 50-75 suggest good conditions.
Planning Your Fishing Trip
Before heading out, always check local regulations and obtain the required fishing license. Water quality conditions can change rapidly, so we recommend checking scores on the day of your trip for the most accurate information.