What special fishing regulations apply at Fox Chain O' Lakes (Lake / McHenry Counties)?

Fox Chain O' Lakes (Lake / McHenry Counties) carries 3 special-regulation overlays that override Illinois' statewide 2026 rules, covering Crappie (white + black) and Muskellunge. One of them reads: "7,100-acre interconnected glacial-lake system — largest natural-lake system in IL; 14 in min largemouth + smallmouth, 6 / day combined; 14 in min walleye + northern pike 24 in min, 3 / day combined; 25 / day crappie; muskellunge 48 in min, 1 / day." Every overlay on this water body is listed in full above.

Do I need a fishing license to fish Fox Chain O' Lakes (Lake / McHenry Counties)?

Yes. Fox Chain O' Lakes (Lake / McHenry Counties) is in Illinois, so a valid Illinois fishing license is required just as it is anywhere else in the state, issued by Illinois Department of Natural Resources. The special regulations on this page change the bag, size, slot, or gear rules for Fox Chain O'Lakes; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Illinois rules.

Do Fox Chain O' Lakes (Lake / McHenry Counties)'s special rules replace Illinois' statewide limits?

Only where they conflict. Illinois' statewide 2026 regulations apply on Fox Chain O'Lakes by default; the overlays above replace the matching statewide rules for the species or gear they name, while everything not specifically overridden still follows the statewide rule. When a water-body rule and the statewide rule disagree, the water-body rule wins.

Which species have special rules on Fox Chain O'Lakes?

Crappie (white + black) and Muskellunge have a water-body-specific rule on Fox Chain O' Lakes (Lake / McHenry Counties), each linking to its full Illinois regulations above. Species not listed here follow the statewide Illinois limits.

2026 regulation year

Fox Chain O' Lakes (Lake / McHenry Counties) 2026 — Illinois Fishing Regulations

Illinois statewide rules apply unless overridden below.

Last updated June 9, 2026

Fox Chain O' Lakes (Lake / McHenry Counties) carries 3 special-regulation overlays on top of Illinois's 2026 fishing rules — covering Crappie (white + black), Muskellunge. Verify the agency booklet before launching: in-season changes are not yet wired to this page.

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State-level special regulation

7,100-acre interconnected glacial-lake system — largest natural-lake system in IL; 14 in min largemouth + smallmouth, 6 / day combined; 14 in min walleye + northern pike 24 in min, 3 / day combined; 25 / day crappie; muskellunge 48 in min, 1 / day
Source: Illinois special-water list

Per-species rules on Fox Chain O' Lakes (Lake / McHenry Counties)

Crappie (white + black) regulations →
No statewide limit; 25 / day site-specific; largest natural-lake system in IL
Muskellunge regulations →
48 in min, 1 / day; northern IL natural-lake muskie + tiger muskie

Official source

Illinois Department of Natural Resources publishes the authoritative 2026 Illinois fishing regulations. Special-regulation lakes and rivers are listed in the agency booklet — always verify before fishing.

Visit official Illinois fishing regulations →

Emergency-order channel

In-season closures, slot-limit changes, and run-count-driven harvest pauses are posted to Illinois Department of Natural Resources's emergency-order feed — check it before any Illinois trip during the active season.

Other special-regulation waters in Illinois

Browse all water bodies →

Frequently asked questions

What special fishing regulations apply at Fox Chain O' Lakes (Lake / McHenry Counties)?: Fox Chain O' Lakes (Lake / McHenry Counties) carries 3 special-regulation overlays that override Illinois' statewide 2026 rules, covering Crappie (white + black) and Muskellunge. One of them reads: "7,100-acre interconnected glacial-lake system — largest natural-lake system in IL; 14 in min largemouth + smallmouth, 6 / day combined; 14 in min walleye + northern pike 24 in min, 3 / day combined; 25 / day crappie; muskellunge 48 in min, 1 / day." Every overlay on this water body is listed in full above.
Do I need a fishing license to fish Fox Chain O' Lakes (Lake / McHenry Counties)?: Yes. Fox Chain O' Lakes (Lake / McHenry Counties) is in Illinois, so a valid Illinois fishing license is required just as it is anywhere else in the state, issued by Illinois Department of Natural Resources. The special regulations on this page change the bag, size, slot, or gear rules for Fox Chain O'Lakes; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Illinois rules.
Do Fox Chain O' Lakes (Lake / McHenry Counties)'s special rules replace Illinois' statewide limits?: Only where they conflict. Illinois' statewide 2026 regulations apply on Fox Chain O'Lakes by default; the overlays above replace the matching statewide rules for the species or gear they name, while everything not specifically overridden still follows the statewide rule. When a water-body rule and the statewide rule disagree, the water-body rule wins.
Which species have special rules on Fox Chain O'Lakes?: Crappie (white + black) and Muskellunge have a water-body-specific rule on Fox Chain O' Lakes (Lake / McHenry Counties), each linking to its full Illinois regulations above. Species not listed here follow the statewide Illinois limits.

← Back to Illinois regulations overview