Brook trout in Utah
Statewide limits, water rules, records and DWR ratings for brook trout in Utah.
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Utah Brook trout rules and waters
Unless a water says otherwise, brook trout count under "Trout, kokanee salmon and Arctic grayling (a combined total)" in the 2027 guidebook, capped at 4 daily. Nothing changes for it between the 2026 edition (valid through December 31, 2026) and the 2027 one.
DWR's species lists put it on 82 built Utah water pages, 44 with the word likely. 51 entries in the guidebook's Rules for specific waters name it, starting with Donkey Lake. Across the record categories DWR prints 2 rows for it.
2027 Utah Fishing Guidebook, p. 9 (effective January 1, 2027; DWR PDF), read November 11, 2026.
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| Statewide row | 2027 daily | 2026 daily | Note as printed |
|---|---|---|---|
| Trout, kokanee salmon and Arctic grayling (a combined total) | 4 | same | Anglers may not possess kokanee salmon at any waterbody statewide from Sept. 10 through Nov. 30. |
The limits here are from the 2027 Utah Fishing Guidebook, which takes effect January 1, 2027; the 2026 Utah Fishing Guidebook stays in force through December 31, 2026 and differs only where a row says so.
Statewide you may hold two limits; the Flaming Gorge rule allows only a single limit.
2027 Utah Fishing Guidebook, p. 9 (effective January 1, 2027; DWR PDF), read November 11, 2026.
Utah Admin. Code R657-13 (R657-13-19), last changed June 23, 2026 as printed on the DWR rules page, read November 11, 2026.
The brook trout entries in the Rules for specific waters
Direct mentions sit above the rows that only speak of trout.
| Water as printed | County | Rule lines | Edition |
|---|---|---|---|
| Donkey Lake | Wayne County | (NEW) Limit 8 brook trout. | NEW 2027 |
| East Fork Boulder Creek | Garfield County | No limit for brook trout. | both editions |
| Oak Creek Reservoir (Upper Bowns Reservoir) | Garfield County | Limit 16 brook trout. | both editions |
| Upper Bowns Reservoir (Oak Creek Reservoir) | Garfield County | Limit 16 brook trout. | both editions |
| Annabella Lake | Sevier County | Limit of 8 trout from Aug. 15–Dec. 31. | both editions |
| Ashley Creek | Uintah County | Limit 2 trout. | both editions |
| Bear Lake | Rich County | Limit 2 trout. | both editions |
| Beaver Creek | San Juan County | CLOSED to the possession of cutthroat trout or trout with cutthroat markings. All cutthroat trout must be immediately released. | both editions |
| Big Lake | Sevier County | Limit 8 trout from Aug. 15–Dec. 31. | both editions |
| Blacksmith Fork River | Cache County | Bonus limit of 4 brown trout (total limit of no more than 8 trout if at least 4 are brown trout). | both editions |
| Calder Reservoir | Uintah County | Limit 1 trout over 22 inches. All trout 22 inches or smaller must be immediately released. | both editions |
| Causey Reservoir | Weber County | Limit 4 trout, and no more than 1 may be a lake trout over 22 inches. All lake trout under 22 inches must be immediately released. (NEW) Limit 8 kokanee salmon (in addition to the daily limit of 4 trout). | NEW 2027 |
| Deep Lake | Sevier County | Limit of 8 trout from Aug. 15–Dec. 31. | both editions |
| Dougherty Basin Lake | Garfield County | CLOSED to the possession of cutthroat trout or trout with cutthroat markings. | both editions |
| Duck Fork Creek and other tributaries to Duck Fork Reservoir | Sanpete County | Limit 2 tiger trout. CLOSED to the possession of cutthroat trout or trout with cutthroat markings. | both editions |
| Duck Fork Reservoir | Sanpete County | Limit 2 tiger trout. CLOSED to the possession of cutthroat trout or trout with cutthroat markings. | both editions |
| East Fork Little Bear River | Cache County | Limit 2 trout or salmon (a combined total, regardless of species). | both editions |
| Fish Lake | Sevier County | Limit 1 trout or salmon over 24 inches, regardless of species (goes toward the statewide trout limit). | both editions |
| Flaming Gorge Reservoir | Daggett County | Excluding lake trout, a limit of 4 trout or kokanee salmon (a combined total); no more than 3 of these may be kokanee salmon. No limit for lake trout 28 inches or less; only 1 lake trout may exceed 28 inches. Anglers may use dead lake trout that are part of their daily bag limit as bait. Chumming is allowed, but you ma | both editions |
| Green River | Carbon, Daggett, Emery, Grand, San Juan, Uintah and Wayne counties | Limit 3 trout (2 under 15 inches and 1 over 22 inches). All trout from 15 to 22 inches must be immediately released. | both editions |
| Hobbs Reservoir | Davis County | Limit 2 trout under 15 inches. All trout over 15 inches must be immediately released. Limit zero white sturgeon. Any white sturgeon caught must be immediately released. It is unlawful to take any trout species using bait. | NEW 2027 |
| Huntington Creek | Emery County | Limit 2 trout. | both editions |
| Huntington Reservoir | Sanpete County | CLOSED to the possession of cutthroat trout or trout with cutthroat markings. | both editions |
| Huntington Reservoir tributaries | Sanpete County | CLOSED to the possession of cutthroat trout or trout with cutthroat markings. Anglers are encouraged to harvest tiger trout. | both editions |
| Joes Valley Reservoir | Emery County | Limit 1 trout over 18 inches (goes toward the statewide trout limit). | both editions |
| Kolob Reservoir | Washington County | Limit 2 trout (must be under 15 inches or over 22 inches). All trout from 15 to 22 inches must be immediately released. | both editions |
| Lake Canyon Lake | Duchesne County | Limit 2 trout, only 1 may be a cutthroat trout over 22 inches. To learn how to identify cutthroat trout in this water, see the description of Colorado River cutthroat trout on page 32. All cutthroat trout 22 inches or smaller must be immediately released. | both editions |
| Little Creek Reservoir | Rich County | Limit 8 trout from Aug. 1–Oct. 31 (all other times of the year, statewide trout limits apply). | both editions |
| Little Dell Reservoir | Salt Lake County | CLOSED to the possession of cutthroat trout or trout with cutthroat markings. All cutthroat trout must be immediately released. | both editions |
| Logan River | Cache County | Limit 2 trout and whitefish (a combined total). Limit 2 trout and whitefish (a combined total). | both editions |
2027 Utah Fishing Guidebook, p. 35-58 (effective January 1, 2027; DWR PDF), read November 11, 2026.
Utah record brook trout in each DWR category
| Category | Weight | Length | Water | Year | Note |
|---|---|---|---|---|---|
| Catch and keep (by weight) | 7 lbs. 8 oz. | – | Boulder Mountain | 1971 | |
| Catch and release (by length) | – | 23" | Boulder Mountain | 1997 |
Utah state record fish as DWR lists them (records page), read November 11, 2026.
Where the DWR planner places brook trout
Ratings come straight from the Fish Utah species lists, with stocked added for waters that show a planting row.
- Moon LakeDWR: likely; Duchesne County
- Long Park Reservoir, North SlopeDWR: likely; Daggett County
- East Park ReservoirDWR: likely; Uintah County
- Browne LakeDWR: likely; Daggett County
- Silver Lake Flat Reservoir (American Fork Canyon)DWR: likely; Utah County
- Ferron ReservoirDWR: likely; Sanpete County
- Yankee Meadow ReservoirDWR: likely; Iron County
- Lake MaryDWR: likely; Salt Lake County
- Logan RiverDWR: likely; Cache County
- Mammoth CreekDWR: likely; Garfield County
- Silver Lake (Big Cottonwood Canyon)DWR: likely; Salt Lake County
- Upper WPA Pond (Manti Mountains)DWR: likely; Sanpete County
- Foy LakeDWR: likely; San Juan County
- Deep Lake (Manti Mountains)DWR: likely; Sanpete County
- Lake CatherineDWR: likely; Salt Lake County
- Upper East Fork Sevier RiverDWR: likely; Kane County
- Lake FlorenceDWR: likely; Salt Lake County
- Bee Tree (Manti Mountains)DWR: likely; Sanpete County
- Lower WPA Pond (Manti Mountains)DWR: likely; Sanpete County
- Brad's Secret (Manti Mountains)DWR: likely; Sanpete County
- Big East Reservoir (Payson Lakes)DWR: likely; Utah County
- Boulder Mountain LakesDWR: likely; Garfield County
- East Parley's (Manti Mountains)DWR: likely; Sanpete County
- Lower Stillwater PondsDWR: likely; Duchesne County
- Shingle Mill Reservoir (Manti Mountains)DWR: likely; Sanpete County
- Thousand Lake MountainDWR: likely; Wayne County
- Tushar (Beaver) Mountain LakesDWR: likely; Beaver County
- Uinta Mountains, Bear RiverDWR: likely; Summit County
- Uinta Mountains, Beaver Creek ForksDWR: likely; Summit County
- Uinta Mountains, Blacks ForkDWR: likely; Summit County
Utah DWR Fish Utah planner (dwrapps.utah.gov), read November 11, 2026.
The combined Utah row that includes brook trout
Mixing these species does not raise the bag; the row is a combined total.
- Bonneville cutthroat troutTrout, kokanee salmon and Arctic grayling (a combined total)
- Bear Lake cutthroat troutTrout, kokanee salmon and Arctic grayling (a combined total)
- Colorado River cutthroat troutTrout, kokanee salmon and Arctic grayling (a combined total)
- Yellowstone cutthroat troutTrout, kokanee salmon and Arctic grayling (a combined total)
- Rainbow troutTrout, kokanee salmon and Arctic grayling (a combined total)
- Lake troutTrout, kokanee salmon and Arctic grayling (a combined total)
- SplakeTrout, kokanee salmon and Arctic grayling (a combined total)
- Golden troutTrout, kokanee salmon and Arctic grayling (a combined total)
- Tiger troutTrout, kokanee salmon and Arctic grayling (a combined total)
- Arctic graylingTrout, kokanee salmon and Arctic grayling (a combined total)
- Brown troutTrout, kokanee salmon and Arctic grayling (a combined total)
- Kokanee salmonTrout, kokanee salmon and Arctic grayling (a combined total)
Slickrock, sagebrush and reservoir coves around Brook trout, photographed
Photo: psinderbrand, CC BY 2.0
Photo: James St. John, CC BY 2.0
Photo: Bernard Spragg. NZ, Public domain
Photo: Jim Hedd, CC BY-SA 2.0
What Utah anglers puzzle over about Brook trout
How many brook trout may I keep in Utah?
Unless a water says otherwise, brook trout count under "Trout, kokanee salmon and Arctic grayling (a combined total)" in the 2027 guidebook, capped at 4 daily. Nothing changes for it between the 2026 edition (valid through December 31, 2026) and the 2027 one.
Any Utah special-water entries for brook trout?
51 entries in the guidebook's Rules for specific waters name it, starting with Donkey Lake.
Is there a Utah record for brook trout?
It stands at 7 lbs. 8 oz., taken at Boulder Mountain in 1971 (catch and keep (by weight)).
Where in Utah does Fish Utah place brook trout?
82 pages, beginning with Moon Lake, Long Park Reservoir, North Slope and East Park Reservoir.
Is a Utah brook trout mine to keep?
It is not among the protected natives.
What does a Utah license for brook trout cost?
Anglers 12 and older need a Utah fishing license; both the 2026 and 2027 guidebooks print $40 for a resident 365-day adult license and $120 for a nonresident.
How do I enter a brook trout for a Utah record?
DWR keeps five record categories and takes new entries through its records page.
May I keep yesterday's brook trout plus today's?
Two limits in coolers and campers, one at Flaming Gorge.