Tall Four Reservoir fishing
Tall Four Reservoir was last stocked on Aug. 18, 2026 with 107 cutthroat trout (2.4 in. average), according to the Utah DWR fish stocking report. It is a reservoir in Garfield County, Utah. From 2021 to 2026, DWR stocked 460 fish here, the 61st most of 65 stocked waters in Garfield County.
Recent stockings at Tall Four Reservoir
- Aug. 18, 2026107 cutthroat trout, 2.4 in. average
- Aug. 5, 202598 cutthroat trout, 2.3 in. average
- Aug. 21, 2024105 cutthroat trout, 2.9 in. average
- Sept. 28, 202250 cutthroat trout, 3.4 in. average
- Sept. 20, 2021100 cutthroat trout, 2.3 in. average
- Sept. 23, 202090 cutthroat trout, 2.1 in. average
Newest first, from the Utah DWR stocking report. Full stocking history.
Tall Four Reservoir facts
- Last stocked
- Aug. 18, 2026 (84 days ago): 107 cutthroat trout
- Stockings in 2026
- 1 (107 fish): 107 cutthroat trout
- County
- Garfield County
- Stocked since 2021
- cutthroat trout
- Average size stocked
- 2.6 in. (2021 to 2026)
- County rank
- 61st most fish of 65 stocked waters in Garfield County since 2021
- Name in DWR report
- TALL FOUR RES
- Nearest water
- Dougherty Basin, 0.2 mi
- Rules
- Statewide rules (no water-specific entry in the 2026 guidebook)
Tall Four Reservoir stocking report, last 12 months
| Aug. 18, 2026 | Cutthroat trout | 107 | 2.4 in. |
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.
Tall Four Reservoir stocking profile
- First record in the DWR report: Aug. 6, 2003. Since then DWR has logged 22 stockings here in 20 different years, 2,768 fish in all.
- Species stocked 2021 to 2026, by share of fish: cutthroat trout 100% (460 fish).
- Busiest months in the record: September (55% of records) and August (18% of records).
- Stocked fish averaged 2.6 in. from 2021 to 2026 (per-record averages ranged from 2.3 to 3.4 in.).
- Fish stocked 2021 to 2026: 460, the 61st most of 65 stocked waters in Garfield County and 964th of 1,076 statewide.
- Nearest other water with a page: Dougherty Basin, 0.2 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 Tall Four Reservoir stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 4 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. 5.
DWR does not publish stocking schedules. This is past stocking, not a promise. How we read patterns.
Tall Four Reservoir stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2026 | 1 | 107 | 2.4 in. | Cutthroat trout |
| 2025 | 1 | 98 | 2.3 in. | Cutthroat trout |
| 2024 | 1 | 105 | 2.9 in. | Cutthroat trout |
| 2022 | 1 | 50 | 3.4 in. | Cutthroat trout |
| 2021 | 1 | 100 | 2.3 in. | Cutthroat trout |
| 2020 | 1 | 90 | 2.1 in. | Cutthroat trout |
| 2019 | 1 | 107 | 2.0 in. | Cutthroat trout |
| 2018 | 1 | 100 | 2.2 in. | Cutthroat trout |
| 2016 | 1 | 119 | 1.8 in. | Cutthroat trout |
| 2015 | 1 | 102 | 1.9 in. | Cutthroat trout |
| 2014 | 1 | 136 | 1.9 in. | Cutthroat trout |
| 2013 | 1 | 132 | 2.0 in. | Cutthroat trout |
| 2012 | 1 | 98 | 2.1 in. | Cutthroat trout |
| 2011 | 1 | 134 | 1.8 in. | Cutthroat trout |
| 2010 | 1 | 101 | 2.1 in. | Cutthroat trout |
| 2009 | 1 | 92 | 2.1 in. | Cutthroat trout |
| 2007 | 1 | 101 | 3.0 in. | Cutthroat trout |
| 2005 | 2 | 385 | 3.1 in. | Cutthroat trout |
| 2004 | 1 | 249 | 2.0 in. | Cutthroat trout |
| 2003 | 2 | 362 | 2.2 in. | Cutthroat trout, Tiger trout |
All stocking records 2021 to Nov. 10, 2025 (4)
| Aug. 5, 2025 | Cutthroat trout | 98 | 2.3 in. |
| Aug. 21, 2024 | Cutthroat trout | 105 | 2.9 in. |
| Sept. 28, 2022 | Cutthroat trout | 50 | 3.4 in. |
| Sept. 20, 2021 | Cutthroat trout | 100 | 2.3 in. |
Fishing rules
No water-specific entry for Tall Four 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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Tall Four Reservoir questions
When was Tall Four Reservoir last stocked?
The most recent stocking in the DWR report is dated Aug. 18, 2026: 107 cutthroat trout.
What fish are in Tall Four Reservoir?
Since 2021 DWR has stocked cutthroat trout.
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.