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Illinois counties

Fishing in St. Clair County, Illinois

County seat: Belleville. Population 257,400.

• 7lake pages
• 9IDNR launches
• 1river pages

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Photo of Kaskaskia River: tofu nutloaf, CC BY-SA 2.0

St. Clair County, Illinois

Sizing up the water in St. Clair County

Belleville is the county seat of St. Clair County, and the 2020 Census found 257,400 people living in the county. The IDNR fishing map files the county's loaner sites under the IDNR fishing map's Southern Illinois grouping.

Among 7 lake pages for the county, Eagle Lake (PRKFWA) spreads over the most acres. Within the county, IDNR data shows 9 public launches. Without a boat, 1 fishing pier on the IDNR inventory are an option. 34 stocking rows in the IDNR table name county water since 2021.

7lake pages

9IDNR launches

1river pages

34stocking rows

Census 2020 population; IDNR IFishIllinois waterbody pages and map; IDNR lands asset inventory (2019); IDNR stocking table; read November 4, 2026.

Map

IDNR launches and lakes of St. Clair County, plotted

IDNR IFishIllinois map launch points, IDNR asset inventory piers and IFishIllinois page points; read November 4, 2026.

Lakes

Ponds and lakes scattered across St. Clair County

Lake	Acres (IDNR)	Max depth (IDNR text)	Kind	Launches	Fish named
Beaver Lake (PRKFWA)			lake	2	sauger, largemouth bass, redear sunfish
Eagle Lake (PRKFWA)	101		lake	0	muskellunge, largemouth bass, channel catfish
Frank Holten Grand Marais Lake	97		lake	1	hybrid sunfish, channel catfish, largemouth bass
Frank Holten Whispering Willow Lake	79		lake	1	channel catfish, largemouth bass
Mascoutah Lake	17		lake	0	channel catfish
Jones Park Lake	7		lake	0	bluegill, channel catfish, rainbow trout
Willow Lake (PRKFWA)	7		lake	2

Acres as listed on the IDNR IFishIllinois page (printed only where the page text gives the same size); depth only where the IDNR text states a maximum depth. Launch counts from the IDNR map and 2019 inventory; acres left blank where the IDNR page text disagrees with its listing.

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Species

Which fish the lake pages near St. Clair County mention

A count of nearby lake pages (to 50 miles from Belleville) puts bluegill first.

Bluegill57 lakes

Largemouth bass56 lakes

Channel catfish49 lakes

Redear sunfish21 lakes

Black crappie14 lakes

Rainbow trout9 lakes

Saugeye9 lakes

Hybrid striped bass6 lakes

Flathead catfish4 lakes

Muskellunge4 lakes

IDNR fishing outlook ratings, species named on IFishIllinois pages, the IDNR stocking table and state records, counted per lake page within 50 miles; not a survey of fish numbers.

Rivers

Creek and slough fishing in St. Clair County

• Kaskaskia RiverIFishIllinois page, 10 IDNR-mapped ramps, 11 USGS gauges

More current across St. Clair County (1)

• Hog Riverriver

Live streamflow in St. Clair County

USGS gauge	Latest reading	Time (ET)
Kaskaskia River At New Athens, Il	483 cfs, 68.51 ft gage height	Nov 11 9:00 pm
Richland Creek Near Hecker, Il	14 cfs, 27.06 ft gage height	Nov 11 9:00 pm
Silver Creek At Route 161 Nr Mascoutah, Il	13 cfs, 8.10 ft gage height	Nov 11 8:45 pm
Silver Creek Near Freeburg, Il	14 cfs, 0.09 ft gage height	Nov 11 9:00 pm

US Geological Survey provisional data, retrieved Nov 11, 2026 9:33 pm ET. Provisional readings can be revised.

IDNR IFishIllinois river and pool pages, USGS GNIS names, IDNR map launches and USGS gauges (live readings); read November 4, 2026.

River stages

Forecast-service gauges near St. Clair County

Gauge	Reading	Flow	Flood category	Time (UTC)
Silver Creek near Mascoutah	8.76 ft	1.69 kcfs	not defined	2026-11-05 17:45:00 UTC
Mississippi River at St. Louis	5.3 ft	143 kcfs	no flooding	2026-11-05 18:30:00 UTC
Kaskaskia River at New Athens	68.57 ft	0.309 kcfs	no flooding	2026-11-05 18:00:00 UTC

Snapshot readings only, each with its UTC time; live USGS data sits on the river pages.

NOAA National Water Prediction Service gauge readings (water.noaa.gov), read November 5, 2026; dated readings, not live (kcfs = thousand cubic feet per second).

Access

State and park ramps in St. Clair County

• Teal Lake Boat Ramp on Willow Lake (PRKFWA)Willow Lake (PRKFWA), gravel ramp
• Beaver Lake Boat RampBeaver Lake (PRKFWA), launch
• Eagle Lake Boat Ramp on Beaver Lake (PRKFWA)Beaver Lake (PRKFWA), launch
• Frank Holten Grand Marais Lake Boat RampFrank Holten Grand Marais Lake, launch
• Frank Holten Whispering Willow Lake Boat RampFrank Holten Whispering Willow Lake, launch
• Kaskaskia River Fayetteville Boat RampKaskaskia River, launch
• Kaskaskia River New Athens Boat RampKaskaskia River, launch
• Marissa City Lake Boat RampMarissa City Lake, launch
• Willow Lake Boat RampWillow Lake (PRKFWA), launch

IDNR maps 1 launch launches on waters that are rows only, not pages.

Piers and shoreline spots in St. Clair County

• Frank Holten Fishing Pier on Frank Holten Grand Marais Lakefishing pier, IDNR site: Frank Holten

There are 4 boat docks on the IDNR asset list too.

IDNR IFishIllinois map, boat ramp and launch layer of October 2025 (KML; name, waterbody and notes as printed), read November 5, 2026. IDNR lands asset inventory, 2019 (boating and fishing assets layer), read November 4, 2026.

Stocking

IDNR stocking rows from St. Clair County

Year	Water	Species (as listed)	Number	Size class
2026	Frank Holten Grand Marais Lake	Bluegill x Green Sunfish	2,500	Advanced Fingerling (4 – 7")
2026	Frank Holten Grand Marais Lake	Bluegill x Green Sunfish	2,500	Fingerling (1 – 3")
2026	Frank Holten Grand Marais Lake	Channel Catfish	4,850	Advanced Fingerling (4 – 7")
2026	Frank Holten Grand Marais Lake	Largemouth Bass	4,863	Fingerling (1 – 3")
2026	Frank Holten Grand Marais Lake	Rainbow Trout	2,240	Adult
2026	Frank Holten Grand Marais Lake	Rainbow Trout	3,740	NonVulnerable (8 – 10")
2026	Frank Holten Whispering Willow Lake	Channel Catfish	4,000	Advanced Fingerling (4 – 7")
2026	Frank Holten Whispering Willow Lake	Largemouth Bass	4,000	Fingerling (1 – 3")
2026	Jones Park Lake	Rainbow Trout	460	Adult
2026	Jones Park Lake	Rainbow Trout	460	NonVulnerable (8 – 10")
2025	Frank Holten Grand Marais Lake	Channel Catfish	322	Adult
2025	Frank Holten Grand Marais Lake	Channel Catfish	4,528	Advanced Fingerling (4 – 7")
2025	Frank Holten Grand Marais Lake	Largemouth Bass	4,879	Fingerling (1 – 3")
2025	Frank Holten Grand Marais Lake	Rainbow Trout	2,057	Adult
2025	Frank Holten Whispering Willow Lake	Channel Catfish	4,000	Advanced Fingerling (4 – 7")
2025	Frank Holten Whispering Willow Lake	Largemouth Bass	4,019	Fingerling (1 – 3")
2025	Jones Park Lake	Channel Catfish	400	Advanced Fingerling (4 – 7")
2025	Jones Park Lake	Rainbow Trout	506	Adult
2025	Mascoutah Lake	Channel Catfish	428	Advanced Fingerling (4 – 7")
2024	Frank Holten Grand Marais Lake	Channel Catfish	2,910	NonVulnerable (8 – 10")
2024	Frank Holten Grand Marais Lake	Largemouth Bass	4,918	Advanced Fingerling (4 – 7")
2024	Frank Holten Whispering Willow Lake	Channel Catfish	2,400	NonVulnerable (8 – 10")
2024	Frank Holten Whispering Willow Lake	Largemouth Bass	4,021	Fingerling (1 – 3")
2024	Jones Park Lake	Channel Catfish	240	NonVulnerable (8 – 10")
2023	Frank Holten Grand Marais Lake	Channel Catfish	4,350	Advanced Fingerling (4 – 7")
2023	Frank Holten Whispering Willow Lake	Channel Catfish	4,000	Advanced Fingerling (4 – 7")
2023	Frank Holten Whispering Willow Lake	Largemouth Bass	4,000	Advanced Fingerling (4 – 7")
2023	Jones Park Lake	Channel Catfish	400	Advanced Fingerling (4 – 7")
2023	Mascoutah Lake	Channel Catfish	428	Advanced Fingerling (4 – 7")
2022	Frank Holten Grand Marais Lake	Channel Catfish	2,425	Advanced Fingerling (4 – 7")

IDNR fish stocking table on ifishillinois.org (year, water, species, size class and number as listed; no stocking dates published), read November 4, 2026; rows reach the county through the water they name.

Regulations

Daily and length rules covering St. Clair County

Site-specific entries override the statewide rows on the St. Clair County waters they name. Residents spend $15 on a year of fishing here, and anglers from away spend $31.50.

Species	Daily limit	Rule as printed
Alligator Gar	1 per 24 hours	Harvest limit is 1 Alligator Gar per 24 hours.
Blue, Channel, and Flathead Catfish	no limit	There are no daily harvest or size limits, except as specified under Site Specific Regulations.
Bluegill, Redear Sunfish, Other Sunfish	no limit	There are no harvest or size limits, except as specified under Site Specific Regulations.
Crappie (White, Black or Hybrid Crappie)	no limit	There are no daily harvest or size limits, except as specified under Site Specific Regulations.
Lake Sturgeon	no possession	Protected; No possession.
Largemouth Bass, Smallmouth Bass, Spotted Bass	6 (combined)	Daily harvest limit is 6 Bass, either singly or in the aggregate, except as specified under Site Specific Regulations. In rivers and streams and their tributaries statewide, except for the Mississippi, Ohio (including Golconda Marina), and Wabash Rivers, the d
Muskellunge, Northern Pike, and their Hybrid	muskellunge 1, northern pike 3	All Muskellunge and Muskellunge hybrids (Tiger Muskie) taken must be 36" in total length or longer, except as specified under Site Specific Regulations. No more than 1 Muskellunge or Muskellunge hybrid (Tiger Muskie) may be taken per day, except as specified u
Paddlefish	2	Daily harvest limit is 2 Paddlefish. Please refer to Site Specific Regulations for the Mississippi River between Illinois and Iowa and the Mississippi River between Illinois and Missouri.
Striped Bass (Ocean Rockfish), White Bass, Yellow Bass, and their Hybrids	no limit under 17 inches; 3 at 17 inches or longer	There are no daily harvest limits or minimum size limits for Striped Bass (Ocean Rockfish), White Bass, Yellow Bass, and their hybrids, which are less than 17" in total length, except as specified under Site Specific Regulations. For these fish 17" in total le
Trout and Salmon	5 (combined)	Daily harvest limit is 5 trout or salmon, either singly or in the aggregate.
Walleye, Sauger, or their Hybrid	6 (combined)	All Walleye, Sauger, or their hybrid (Saugeye) taken must be 14" in total length or longer, except in the Mississippi River, Wabash River, or except as specified under Site Specific Regulations. Daily harvest limit is 6 Walleye, Sauger, or their hybrid, either

Where limits change in St. Clair County (7)

Water	Species	Rule as printed (code numbers kept)
Frank Holten Lakes	All Fish	2 Pole and Line Fishing Only (1) (5)
Frank Holten Lakes	Channel Catfish	6 Fish Daily Harvest Limit
Frank Holten Lakes	Large or Smallmouth Bass	14 inch Minimum Length Limit
Frank Holten Lakes	Trout	Fall Closed Season (7), Spring Closed Season (8)
Jones Park Lake	All Fish	2 Pole and Line Fishing Only (1)
Jones Park Lake	Channel Catfish	6 Fish Daily Harvest Limit
Jones Park Lake	Trout	Fall Closed Season (7), Spring Closed Season (8)
Kaskaskia River State Fish and Wildlife Area – Doza Creek	Recreational Use Restrictions	Waterfowl Refuge or Hunting Area (12)
Marissa City Lake	All Fish	2 Pole and Line Fishing Only (1)
Marissa City Lake	Channel Catfish	6 Fish Daily Harvest Limit
Mascoutah Reservoir	All Fish	2 Pole and Line Fishing Only (1)
Mascoutah Reservoir	Channel Catfish	6 Fish Daily Harvest Limit
Mascoutah Reservoir	Large or Smallmouth Bass	15 inch Minimum Length Limit; 3 Fish Daily Harvest Limit
Peabody River King, Pit #3 Lakes and Ponds	All Fish	2 Pole and Line Fishing Only (1) (5)
Peabody River King, Pit #3 Lakes and Ponds	Channel Catfish	6 Fish Daily Harvest Limit
Peabody River King, Pit #3 Lakes and Ponds	Large or Smallmouth Bass	15 inch Minimum Length Limit; 3 Fish Daily Harvest Limit
Peabody River King, Pit #3 Lakes and Ponds	White, Black, or Hybrid Crappie	9 inch Minimum Length Limit; 25 Fish Daily Harvest Limit
Willow Lake	All Fish	2 Pole and Line Fishing Only (1)
Willow Lake	Channel Catfish	6 Fish Daily Harvest Limit
Willow Lake	Large or Smallmouth Bass	15 inch Minimum Length Limit; 3 Fish Daily Harvest Limit

IDNR 2026 Illinois Fishing Information digest (IDNR), read November 4, 2026. Site-specific regulations as printed in the 2026 Illinois Fishing Information digest (IDNR), read November 4, 2026.

Records

Illinois record fish tied to St. Clair County

Species	Division	Weight	Water	Date
Channel Catfish	hook and line	45 lbs 4 oz	Baldwin Lake	Feb. 7, 1987
Longnose Gar	bow and arrow	32 lbs 3.2 oz	Kaskaskia River	Sept. 14, 2017

IDNR Illinois state record fish list (keeper: Illinois Department of Natural Resources; no angler names printed), read November 4, 2026.

Loaner tackle

Borrowing a rod in St. Clair County

• Caseyville Public Library419 S. 2nd Street, Caseyville, (618) 345-5848
• Frank Holten State Park4500 Pocket Road, East St. Louis, (618) 874-7920
• Mascoutah Public Library3 W. Church Street, Mascoutah, (618) 566-2562
• O'Fallon Library120 Civic Plaza, O'Fallon, (618) 632-3783
• Smithton Library109 S. Main Street, Smithton, (618) 233-8057

Borrowers sign out a rod and tackle at no cost at each site on the IDNR list.

IDNR IFishIllinois map, tackle loaner site layer (KML), read November 5, 2026.

Local help

Bait counters and guide outfits in St. Clair County

Tackle stores in St. Clair County

• Fairview Sports & Hardwarebait and tackle shop, Fairview Heights
• Obie's Tackle Cobait and tackle shop, Belleville
• Old Whiskers Bait Cobait and tackle shop, O Fallon
• Ron's Bait & Tackle, 4050 Bunkum Rdbait and tackle shop, East Saint Louis
• Academy Sports + Outdoors O Fallonsporting goods store, O Fallon
• Dick's Sporting Goods Fairview Heights, 6575 North Illinois Streetsporting goods store, Fairview Heights
• Dick's Sporting Goods Fairview Heights, 81 Ludwig Drsporting goods store, Fairview Heights

Yellow Pages, chain store and IDNR license vendor listings; guide and charter association pages (matched by the waters they list or their county), read November 4, 2026.

Nearby

A few miles of blacktop from St. Clair County

Towns in St. Clair County with a motel and a diner

• Bellevillepop. 42,404
• O'Fallonpop. 32,289
• East St. Louispop. 18,469
• Fairview Heightspop. 16,706
• Swanseapop. 14,386
• Shilohpop. 14,098
• Cahokiapop. 12,096
• Mascoutahpop. 8,754
• Lebanonpop. 4,691
• Freeburgpop. 4,582
• Caseyvillepop. 4,400
• Centrevillepop. 4,232
• Millstadtpop. 4,071
• Smithtonpop. 4,006
• Dupopop. 3,996
• Scott AFBpop. 3,688

Bordering counties of St. Clair County, with links

• Monroe County19 miles southwest
• Madison County25 miles north
• Clinton County29 miles east
• Washington County29 miles east

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Fish photos

Fish to recognise on sight at St. Clair County

Answers

Replies on fishing within St. Clair County

How many IDNR-listed ramps are in St. Clair County?

IDNR data shows 9 launches, starting with Teal Lake Boat Ramp on Willow Lake (PRKFWA).

Which St. Clair County water is the widest?

Eagle Lake (PRKFWA), at 101 acres by the IDNR listing.

Which fish do St. Clair County lakes hold, per IDNR?

Bluegill tops the count of lake pages within 50 miles, followed by largemouth bass, channel catfish and redear sunfish.

Which St. Clair County stores carry fishing tackle?

7 shops, starting with Fairview Sports & Hardware.

Where are loaner rods in St. Clair County?

IDNR lists 5 loaner sites here, starting with Caseyville Public Library in Caseyville.

Which Illinois town holds the St. Clair County county clerk?

Belleville is the seat.

Is a license required on St. Clair County lakes?

Residents spend $15 on a year of fishing here, and anglers from away spend $31.50.

Which counties surround St. Clair County?

The nearest county pages are Monroe County, Madison County and Clinton County.

Do any St. Clair County waters have site-specific rules?

The digest lists 7 site-specific entries for waters in or by this county, starting with Frank Holten Lakes; the table above shows each.

What does the stocking table show for St. Clair County?

The IDNR table carries 34 rows; the newest lists 4,863 Largemouth Bass, Fingerling (1 – 3") (2026) in Frank Holten Grand Marais Lake.

Did an Illinois record fish come out of St. Clair County?

Channel Catfish, 45 lbs 4 oz, February 7, 1987 (hook and line), from Baldwin Lake.

Pick a lake or creek in St. Clair County

Open a lake for its ramps and site rules.

All Illinois countiesIllinois fishing rules