Upper Box Creek Reservoir fishing
Upper Box Creek Reservoir was last stocked on April 9, 2026 with 312 rainbow trout (10.1 in. average), according to the Utah DWR fish stocking report. It is a reservoir in Piute County, Utah. From 2021 to 2026, DWR stocked 20,960 fish here, the 6th most of 8 stocked waters in Piute County.
Upper Box Creek Reservoir stocking report, last 12 months
| April 9, 2026 | Rainbow trout | 312 | 10.1 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 Upper Box Creek Reservoir stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 5 of those 5 years.
2025 stocking: 2 records, first on May 15, last on June 23.
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.
Upper Box Creek Reservoir stocking profile
- First record in the DWR report: May 13, 2002. Since then DWR has logged 72 stockings here in 25 different years, 114,490 fish in all.
- Species stocked 2021 to 2026, by share of fish: rainbow trout 53% (11,097 fish), tiger trout 27% (5,595 fish), cutthroat trout 15% (3,143 fish) and splake 5% (1,125 fish).
- Busiest months in the record: July (35% of records) and May (29% of records).
- Stocked fish averaged 7.3 in. from 2021 to 2026 (per-record averages ranged from 1.9 to 12.2 in.). The yearly average was 7.6 in. in 2021 and 8.1 in. in 2025.
- Fish stocked 2021 to 2026: 20,960, the 6th most of 8 stocked waters in Piute County and 221st of 1,068 statewide.
- Nearest other water with a page: Lower Box Creek Reservoir, 0.8 mi away.
Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.
Upper Box Creek Reservoir stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2026 | 1 | 312 | 10.1 in. | Rainbow trout |
| 2025 | 2 | 3,808 | 8.1 in. | Tiger trout, Rainbow trout |
| 2024 | 4 | 4,404 | 8.7 in. | Splake, Tiger trout, Rainbow trout |
| 2023 | 4 | 7,422 | 5.2 in. | Cutthroat trout, Splake, Tiger trout, Rainbow trout |
| 2022 | 4 | 3,883 | 8.7 in. | Tiger trout, Splake, Rainbow trout |
| 2021 | 2 | 1,131 | 7.6 in. | Tiger trout, Rainbow trout |
| 2020 | 4 | 4,759 | 7.5 in. | Tiger trout, Splake, Rainbow trout |
| 2019 | 3 | 8,885 | 3.8 in. | Cutthroat trout, Tiger trout, Rainbow trout |
| 2018 | 5 | 12,031 | 3.9 in. | Cutthroat trout, Tiger trout, Splake, Rainbow trout |
| 2017 | 4 | 13,530 | 3.3 in. | Cutthroat trout, Splake, Rainbow trout, Tiger trout |
| 2016 | 3 | 3,606 | 6.4 in. | Brook trout, Tiger trout, Rainbow trout |
| 2015 | 2 | 2,841 | 7.2 in. | Tiger trout, Rainbow trout |
| 2014 | 2 | 2,752 | 7.6 in. | Tiger trout, Rainbow trout |
| 2013 | 2 | 3,524 | 5.7 in. | Brook trout, Rainbow trout |
| 2012 | 3 | 2,969 | 6.4 in. | Brook trout, Rainbow trout |
| 2011 | 3 | 3,582 | 7.2 in. | Brook trout, Rainbow trout |
| 2010 | 3 | 4,361 | 7.2 in. | Rainbow trout, Brook trout |
| 2009 | 3 | 4,112 | 7.7 in. | Rainbow trout, Brook trout |
| 2008 | 4 | 4,215 | 7.4 in. | Rainbow trout, Brook trout |
| 2007 | 3 | 4,234 | 8.4 in. | Brook trout, Rainbow trout |
| 2006 | 3 | 3,062 | 6.9 in. | Brook trout, Rainbow trout |
| 2005 | 2 | 3,066 | 6.7 in. | Brook trout, Rainbow trout |
| 2004 | 2 | 3,499 | 7.6 in. | Brook trout, Rainbow trout |
| 2003 | 2 | 3,501 | 6.7 in. | Brook trout, Rainbow trout |
| 2002 | 2 | 5,001 | 5.7 in. | Brook trout, Rainbow trout |
All stocking records 2021 to Sept. 24, 2025 (16)
| June 23, 2025 | Tiger trout | 1,266 | 3.7 in. |
| May 15, 2025 | Rainbow trout | 2,542 | 10.2 in. |
| July 30, 2024 | Splake | 512 | 2.7 in. |
| July 11, 2024 | Tiger trout | 559 | 8.1 in. |
| July 11, 2024 | Tiger trout | 700 | 3.4 in. |
| May 8, 2024 | Rainbow trout | 2,633 | 11.5 in. |
| Sept. 12, 2023 | Cutthroat trout | 3,143 | 1.9 in. |
| July 5, 2023 | Splake | 509 | 3.6 in. |
| July 5, 2023 | Tiger trout | 1,251 | 3.2 in. |
| May 22, 2023 | Rainbow trout | 2,519 | 10.8 in. |
| July 1, 2022 | Tiger trout | 1,260 | 4.6 in. |
| July 1, 2022 | Splake | 104 | 3.6 in. |
| June 15, 2022 | Rainbow trout | 1,255 | 10.1 in. |
| May 23, 2022 | Rainbow trout | 1,264 | 11.7 in. |
| July 14, 2021 | Tiger trout | 559 | 2.9 in. |
| May 18, 2021 | Rainbow trout | 572 | 12.2 in. |
Fishing rules
The 2026 Utah Fishing Guidebook lists no water-specific rules for Upper Box Creek 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 Upper Box Creek 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.
Upper Box Creek Reservoir questions
When is Upper Box Creek Reservoir stocked?
DWR does not publish stocking schedules. Past records show Upper Box Creek Reservoir was stocked in early to mid May (3 of the last 5 years) and late June to early July (3 of the last 5 years). The most recent stocking in the DWR report is dated April 9, 2026.
What fish are in Upper Box Creek Reservoir?
Since 2021 DWR has stocked rainbow trout, tiger trout, splake and cutthroat trout.
What are the fishing limits at Upper Box Creek 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.