What special fishing regulations apply at Williams Fork Reservoir?

Williams Fork Reservoir carries 3 special-regulation overlays that override Colorado's statewide 2026 rules, covering Kokanee salmon and Northern pike. One of them reads: "Lake trout 8 / day no min; kokanee salmon 10 / day no min (snagging permitted Sept 1 – Dec 31); northern pike unlimited (no bag/possession/size limit) BUT 26-34 in protected slot — must be returned to the water immediately (CPW's one quality-size-managed pike water); brown trout 4 / day combined trout." Every overlay on this water body is listed in full above.

Do I need a fishing license to fish Williams Fork Reservoir?

Yes. Williams Fork Reservoir is in Colorado, so a valid Colorado fishing license is required just as it is anywhere else in the state, issued by Colorado Parks and Wildlife (CPW). The special regulations on this page change the bag, size, slot, or gear rules for Williams Fork Reservoir; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Colorado rules.

Do Williams Fork Reservoir's special rules replace Colorado's statewide limits?

Only where they conflict. Colorado's statewide 2026 regulations apply on Williams Fork Reservoir 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 Williams Fork Reservoir?

Kokanee salmon and Northern pike have a water-body-specific rule on Williams Fork Reservoir, each linking to its full Colorado regulations above. Species not listed here follow the statewide Colorado limits.

2026 regulation year

Williams Fork Reservoir 2026 — Colorado Fishing Regulations

Colorado statewide rules apply unless overridden below.

Last updated June 5, 2026

Williams Fork Reservoir carries 3 special-regulation overlays on top of Colorado's 2026 fishing rules — covering Kokanee salmon, Northern pike. Verify the agency booklet before launching: in-season changes are not yet wired to this page.

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State-level special regulation

Lake trout 8 / day no min; kokanee salmon 10 / day no min (snagging permitted Sept 1 – Dec 31); northern pike unlimited (no bag/possession/size limit) BUT 26-34 in protected slot — must be returned to the water immediately (CPW's one quality-size-managed pike water); brown trout 4 / day combined trout
Source: Colorado special-water list

Per-species rules on Williams Fork Reservoir

Kokanee salmon regulations →
10 / day; snagging permitted Sept 1 – Dec 31 during the fall spawning run
Northern pike regulations →
Northern pike 26–34 in must be returned to the water immediately (protected slot); no bag or size limit on pike outside the slot — CPW's one quality-size-managed pike water

Official source

Colorado Parks and Wildlife (CPW) publishes the authoritative 2026 Colorado fishing regulations. Special-regulation lakes and rivers are listed in the agency booklet — always verify before fishing.

Visit official Colorado fishing regulations →

Emergency-order channel

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

Other special-regulation waters in Colorado

Browse all water bodies →

Frequently asked questions

What special fishing regulations apply at Williams Fork Reservoir?: Williams Fork Reservoir carries 3 special-regulation overlays that override Colorado's statewide 2026 rules, covering Kokanee salmon and Northern pike. One of them reads: "Lake trout 8 / day no min; kokanee salmon 10 / day no min (snagging permitted Sept 1 – Dec 31); northern pike unlimited (no bag/possession/size limit) BUT 26-34 in protected slot — must be returned to the water immediately (CPW's one quality-size-managed pike water); brown trout 4 / day combined trout." Every overlay on this water body is listed in full above.
Do I need a fishing license to fish Williams Fork Reservoir?: Yes. Williams Fork Reservoir is in Colorado, so a valid Colorado fishing license is required just as it is anywhere else in the state, issued by Colorado Parks and Wildlife (CPW). The special regulations on this page change the bag, size, slot, or gear rules for Williams Fork Reservoir; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Colorado rules.
Do Williams Fork Reservoir's special rules replace Colorado's statewide limits?: Only where they conflict. Colorado's statewide 2026 regulations apply on Williams Fork Reservoir 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 Williams Fork Reservoir?: Kokanee salmon and Northern pike have a water-body-specific rule on Williams Fork Reservoir, each linking to its full Colorado regulations above. Species not listed here follow the statewide Colorado limits.

← Back to Colorado regulations overview