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.
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 Sept. 25, 2026; newest record dated Sept. 23, 2026. DWR posts stockings after they happen and does not publish schedules.
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. Patterns are based on past stocking records and are not a promise of future stocking. Weather, water conditions and hatchery supply change plans. How we read patterns.
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 953rd of 1,068 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.
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 Sept. 24, 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
The 2026 Utah Fishing Guidebook lists no water-specific rules for Tall Four Reservoir under that name, so statewide rules apply unless DWR posts a change. Some waters are covered by a group entry (for example a drainage or its tributaries).
Rules summarized in our own words from the 2026 Utah Fishing Guidebook. DWR can change rules mid-year: check the current guidebook and its updates at wildlife.utah.gov/guidebooks before fishing. See statewide limits.
Email me when Tall Four Reservoir is stocked
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"Was stocked" alerts come from new rows in the DWR stocking report. "Often stocked around now" heads-ups come from past stocking records only. DWR does not publish stocking schedules, so a heads-up is never a promise. We store your email only for these alerts; ask us to delete it at [email protected]. Privacy.
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.
What are the fishing limits at Tall Four Reservoir?
The 2026 guidebook lists no water-specific rules under this name, so statewide limits apply unless DWR posts a change. See our statewide limits page and check the guidebook.
Stocking: Utah DWR fish stocking report, fetched Sept. 25, 2026. Location: Utah DWR, USGS NHD. Rules: 2026 Utah Fishing Guidebook. Page built Sept. 24, 2026. Found an error? [email protected]. Verify rules with DWR before fishing.