O'Fallon sits in Saint Clair County, Illinois. Most of these are reachable inside half an hour. Counting outwards from town: Fairwood Lake near enough 0.8 miles, Lake Suzanne near enough 1.9 miles to the south-east, Kapes Lake near enough 4.1 miles with Scott Lake near enough 4.6 miles to the south-east. Scot
| Issuing agency | Who needs a license | Resident annual | Non-resident annual | Non-resident short-term | Saltwater requirement | License-free days | Official source (last verified) |
|---|---|---|---|---|---|---|---|
| Illinois Department of Natural Resources (IDNR) | Ages 16 and older | $15.00 | $31.50 | 24-hour, 3-day | Not applicable — no coastline | Announced annually | Agency pageVerified 2026-08-13 |
*Prices are base annual freshwater licenses and exclude vendor fees, stamps and endorsements. Where a cell reads “Not verified”, the agency does not publish the figure in a format we can verify automatically.
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