Rex Reservoir fishing
Rex Reservoir was last stocked on June 30, 2025 with 4,020 rainbow trout (2.6 in. average), according to the Utah DWR fish stocking report. It is a reservoir in Sevier County, Utah. From 2021 to 2026, DWR stocked 21,727 fish here, the 11th most of 39 stocked waters in Sevier County.
Rex Reservoir stocking report, last 12 months
No stocking recorded in the last 12 months. The most recent record is dated June 30, 2025.
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 Rex Reservoir stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 5 of those 5 years.
2025 stocking: 1 record, first on June 30.
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.
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.
Rex Reservoir stocking profile
- First record in the DWR report: April 15, 2002. Since then DWR has logged 25 stockings here in 24 different years, 100,822 fish in all.
- Species stocked 2021 to 2026, by share of fish: rainbow trout 100% (21,727 fish).
- Busiest months in the record: May (44% of records) and April (28% of records).
- Stocked fish averaged 3.3 in. from 2021 to 2026 (per-record averages ranged from 2.6 to 4.3 in.).
- Fish stocked 2021 to 2026: 21,727, the 11th most of 39 stocked waters in Sevier County and 216th of 1,068 statewide.
- Nearest other water with a page: Gates Lake, 5 mi away.
Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.
Rex Reservoir stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2025 | 1 | 4,020 | 2.6 in. | Rainbow trout |
| 2024 | 1 | 4,032 | 2.8 in. | Rainbow trout |
| 2023 | 1 | 4,060 | 3.9 in. | Rainbow trout |
| 2022 | 1 | 4,030 | 4.3 in. | Rainbow trout |
| 2021 | 1 | 5,585 | 2.8 in. | Rainbow trout |
| 2020 | 1 | 5,000 | 2.7 in. | Rainbow trout |
| 2019 | 1 | 4,009 | 2.8 in. | Rainbow trout |
| 2018 | 1 | 4,004 | 5.4 in. | Rainbow trout |
| 2017 | 1 | 4,032 | 4.4 in. | Rainbow trout |
| 2016 | 1 | 4,212 | 3.3 in. | Rainbow trout |
| 2015 | 1 | 4,207 | 3.7 in. | Rainbow trout |
| 2014 | 1 | 4,539 | 3.6 in. | Rainbow trout |
| 2013 | 1 | 3,989 | 4.1 in. | Rainbow trout |
| 2012 | 1 | 4,039 | 3.4 in. | Rainbow trout |
| 2011 | 1 | 4,356 | 3.7 in. | Rainbow trout |
| 2010 | 1 | 4,060 | 3.1 in. | Rainbow trout |
| 2009 | 2 | 4,083 | 4.1 in. | Rainbow trout |
| 2008 | 1 | 4,505 | 3.6 in. | Rainbow trout |
| 2007 | 1 | 4,009 | 5.4 in. | Rainbow trout |
| 2006 | 1 | 4,008 | 5.2 in. | Rainbow trout |
| 2005 | 1 | 4,011 | 4.9 in. | Rainbow trout |
| 2004 | 1 | 4,004 | 4.5 in. | Rainbow trout |
| 2003 | 1 | 4,019 | 3.9 in. | Rainbow trout |
| 2002 | 1 | 4,009 | 3.6 in. | Rainbow trout |
All stocking records 2021 to Sept. 24, 2025 (5)
| June 30, 2025 | Rainbow trout | 4,020 | 2.6 in. |
| July 2, 2024 | Rainbow trout | 4,032 | 2.8 in. |
| May 9, 2023 | Rainbow trout | 4,060 | 3.9 in. |
| April 6, 2022 | Rainbow trout | 4,030 | 4.3 in. |
| June 30, 2021 | Rainbow trout | 5,585 | 2.8 in. |
Fishing rules
The 2026 Utah Fishing Guidebook lists no water-specific rules for Rex 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 Rex Reservoir is stocked
Email me when Rex Reservoir shows up in the DWR stocking report. Alerts start once we switch on email; your choices are saved now.
"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.
Rex Reservoir questions
When is Rex Reservoir stocked?
DWR does not publish stocking schedules. Past records show Rex Reservoir was stocked in late June to early July (3 of the last 5 years). The most recent stocking in the DWR report is dated June 30, 2025.
What fish are in Rex Reservoir?
Since 2021 DWR has stocked rainbow trout.
What are the fishing limits at Rex 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.