Fishing in Colorado

Bull Basin Reservoir No. 1 Fishing Regulations

Colorado · 2026 size limits, bag limits, and seasons

Bull Basin Reservoir No. 1 is a reservoir, Colorado. It has its own fishing regulations for 7 species, including Brook Trout, Brown Trout, Cutthroat Trout, and Golden Trout. These rules replace Colorado's statewide limits on this water.

7 species with limits

Bull Basin Reservoir No. 1 limits by species (2026)

SpeciesSize limitDaily bagSeason
All Fish SpeciesArtificial Only––Year-round
Brook Trout16" min2Year-round
Brown Trout16" min2Year-round
Cutthroat Trout16" min2Year-round
Golden Trout16" min2Year-round
Lake Trout16" min2Year-round
Rainbow Trout16" min2Year-round
Steelhead16" min2Year-round

– means no limit is listed for this water. Rules not shown here follow Colorado's statewide regulations.

Bull Basin Reservoir No. 1 fishing: common questions

What fish have special regulations on Bull Basin Reservoir No. 1?

7 species have rules specific to Bull Basin Reservoir No. 1: Brook Trout, Brown Trout, Cutthroat Trout, Golden Trout, Lake Trout, Rainbow Trout, and Steelhead.

What is the brook trout limit on Bull Basin Reservoir No. 1?

Brook Trout must be at least 16" to keep on Bull Basin Reservoir No. 1, and the daily bag limit is 2.

What is the brown trout limit on Bull Basin Reservoir No. 1?

Brown Trout must be at least 16" to keep on Bull Basin Reservoir No. 1, and the daily bag limit is 2.

What is the cutthroat trout limit on Bull Basin Reservoir No. 1?

Cutthroat Trout must be at least 16" to keep on Bull Basin Reservoir No. 1, and the daily bag limit is 2.

Do Colorado statewide fishing rules apply on Bull Basin Reservoir No. 1?

Where Bull Basin Reservoir No. 1 has its own rule for a species, that rule replaces the statewide limit. For species not listed on this page, Colorado's statewide regulations apply. Regulations are set by the Colorado Parks and Wildlife; confirm with the official 2026 regulations before keeping a fish.

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