Red Butte Reservoir fishing

Red Butte Reservoir was last stocked on Aug. 13, 2025 with 4,016 cutthroat trout (2.2 in. average), according to the Utah DWR fish stocking report. It is a reservoir in Salt Lake County, Utah. From 2021 to 2026, DWR stocked 14,773 fish here, the 19th most of 38 stocked waters in Salt Lake County.

Stocking data fetched Nov. 10, 2026.
Last stockedAug. 13, 2025454 days ago, cutthroat trout
Fish stocked in 202600 records
Records since 20217History back to 2006
Stocked species1cutthroat trout

Recent stockings at Red Butte Reservoir

  1. Aug. 13, 20254,016 cutthroat trout, 2.2 in. average
  2. Oct. 7, 20243,010 cutthroat trout, 2.9 in. average
  3. June 11, 2024101 cutthroat trout, 7.3 in. average
  4. Oct. 31, 20232,000 cutthroat trout, 3.2 in. average
  5. Sept. 21, 20224,000 cutthroat trout, 2.2 in. average
  6. Oct. 13, 20211,646 cutthroat trout, 2.4 in. average

Newest first, from the Utah DWR stocking report. Full stocking history.

Red Butte Reservoir facts

Last stocked
Aug. 13, 2025 (454 days ago): 4,016 cutthroat trout
Stockings in 2026
None recorded yet in 2026
County
Salt Lake County
Stocked since 2021
cutthroat trout
Average size stocked
2.5 in. (2021 to 2026)
County rank
19th most fish of 38 stocked waters in Salt Lake County since 2021
Name in DWR report
RED BUTTE RES
Nearest water
Camp Kostopaulus, 1.8 mi
Rules
Statewide rules (no water-specific entry in the 2026 guidebook)

Red Butte Reservoir stocking report, last 12 months

No stocking recorded in the last 12 months. The most recent record is dated Aug. 13, 2025.

Source: Utah DWR fish stocking report. Stocking data fetched Nov. 10, 2026; newest record dated Nov. 19, 2026. DWR posts stockings after they happen and does not publish schedules.

Red Butte Reservoir stocking profile

  • First record in the DWR report: Oct. 30, 2006. Since then DWR has logged 24 stockings here in 16 different years, 46,663 fish in all.
  • Species stocked 2021 to 2026, by share of fish: cutthroat trout 100% (14,773 fish).
  • Busiest months in the record: October (33% of records) and June (33% of records).
  • Stocked fish averaged 2.5 in. from 2021 to 2026 (per-record averages ranged from 2.1 to 7.3 in.).
  • Fish stocked 2021 to 2026: 14,773, the 19th most of 38 stocked waters in Salt Lake County and 275th of 1,076 statewide.
  • Nearest other water with a page: Camp Kostopaulus, 1.8 mi away.

Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.

When is Red Butte Reservoir stocked?

Based on DWR stocking records, 2021 to 2025. Stocked in 5 of those 5 years.

Stocking dates moved around from year to year, so no single window repeats in 3 or more of the last 5 years.

2025 stocking: 1 record, first on Aug. 13.

In past years, stocking here had usually started by this time of year (5 of the last 5 years). No stocking has been recorded here yet in 2026.

Years with a stocking in each third of the month, 2021 to 2025:012345

DWR does not publish stocking schedules. This is past stocking, not a promise. How we read patterns.

Red Butte Reservoir stocking history by year

Red Butte Reservoir: DWR stocking records per year. Fish counts are totals of all records that year; average length is weighted by the number of fish.
YearRecordsFishAvg. lengthSpecies
202514,0162.2 in.Cutthroat trout
202423,1113.0 in.Cutthroat trout
202312,0003.2 in.Cutthroat trout
202224,0002.2 in.Cutthroat trout
202111,6462.4 in.Cutthroat trout
202022,1032.5 in.Cutthroat trout
201912,0172.6 in.Cutthroat trout
201811913.6 in.Largemouth bass
201712,7007.2 in.Cutthroat trout
201321,1017.6 in.Cutthroat trout, Sucker
201238,5986.9 in.Sucker, Cutthroat trout
201113966.7 in.Sucker
201011,0848.1 in.Sucker
200913,6047.1 in.Sucker
200838,2256.8 in.Cutthroat trout, Sucker
200612,0432.0 in.Cutthroat trout
All stocking records 2021 to Nov. 10, 2025 (7)
Red Butte Reservoir: DWR stocking records 2021 to Nov. 10, 2025.
Aug. 13, 2025 Cutthroat trout 4,016 2.2 in.
Oct. 7, 2024 Cutthroat trout 3,010 2.9 in.
June 11, 2024 Cutthroat trout 101 7.3 in.
Oct. 31, 2023 Cutthroat trout 2,000 3.2 in.
Sept. 21, 2022 Cutthroat trout 1,669 2.3 in.
Sept. 21, 2022 Cutthroat trout 2,331 2.1 in.
Oct. 13, 2021 Cutthroat trout 1,646 2.4 in.

Fishing rules

No water-specific entry for Red Butte Reservoir in the 2026 guidebook: statewide limits apply unless a group entry (such as a drainage) covers it.

From the 2026 Utah Fishing Guidebook, in our own words. Rules can change mid-year: check wildlife.utah.gov/guidebooks before fishing.

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Red Butte Reservoir
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Red Butte Reservoir questions

When was Red Butte Reservoir last stocked?

The most recent stocking in the DWR report is dated Aug. 13, 2025: 4,016 cutthroat trout.

What fish are in Red Butte Reservoir?

Since 2021 DWR has stocked cutthroat trout.

Sources

Stocking: Utah DWR fish stocking report, fetched Nov. 10, 2026. Location: Utah DWR, USGS NHD. Rules: 2026 Utah Fishing Guidebook. Page built Nov. 10, 2026. Found an error? Tell us. Verify rules with DWR before fishing.