Rob Reservoir fishing
Rob Reservoir was last stocked on Sept. 10, 2026 with 268 cutthroat trout (2.2 in. average), according to the Utah DWR fish stocking report. It is a reservoir in Garfield County, Utah. From 2021 to 2026, DWR stocked 1,624 fish here, the 40th most of 65 stocked waters in Garfield County.
Rob Reservoir stocking report, last 12 months
| Sept. 10, 2026 | Cutthroat trout | 268 | 2.2 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 Rob Reservoir stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 5 of those 5 years.
2025 stocking: 1 record, first on Sept. 9.
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.
Rob Reservoir stocking profile
- First record in the DWR report: Oct. 16, 2003. Since then DWR has logged 19 stockings here in 19 different years, 6,041 fish in all.
- Species stocked 2021 to 2026, by share of fish: cutthroat trout 100% (1,624 fish).
- Busiest months in the record: September (79% of records) and October (21% of records).
- Stocked fish averaged 2.2 in. from 2021 to 2026 (per-record averages ranged from 1.9 to 2.5 in.). The yearly average was 2.5 in. in 2021 and 2.0 in. in 2025.
- Fish stocked 2021 to 2026: 1,624, the 40th most of 65 stocked waters in Garfield County and 674th of 1,068 statewide.
- Nearest other water with a page: Otter Lake, 1 mi away.
Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.
Rob Reservoir stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2026 | 1 | 268 | 2.2 in. | Cutthroat trout |
| 2025 | 1 | 265 | 2.0 in. | Cutthroat trout |
| 2024 | 1 | 291 | 1.9 in. | Cutthroat trout |
| 2023 | 1 | 251 | 2.1 in. | Cutthroat trout |
| 2022 | 1 | 286 | 2.4 in. | Cutthroat trout |
| 2021 | 1 | 263 | 2.5 in. | Cutthroat trout |
| 2020 | 1 | 153 | 2.4 in. | Cutthroat trout |
| 2018 | 1 | 159 | 2.3 in. | Cutthroat trout |
| 2017 | 1 | 275 | 2.1 in. | Cutthroat trout |
| 2016 | 1 | 291 | 1.9 in. | Cutthroat trout |
| 2015 | 1 | 297 | 2.0 in. | Cutthroat trout |
| 2014 | 1 | 305 | 1.9 in. | Cutthroat trout |
| 2013 | 1 | 222 | 2.3 in. | Cutthroat trout |
| 2012 | 1 | 206 | 2.4 in. | Cutthroat trout |
| 2010 | 1 | 526 | 2.1 in. | Cutthroat trout |
| 2008 | 1 | 237 | 2.2 in. | Cutthroat trout |
| 2006 | 1 | 506 | 1.9 in. | Cutthroat trout |
| 2004 | 1 | 230 | 2.2 in. | Cutthroat trout |
| 2003 | 1 | 1,010 | 1.8 in. | Cutthroat trout |
All stocking records 2021 to Sept. 24, 2025 (5)
| Sept. 9, 2025 | Cutthroat trout | 265 | 2.0 in. |
| Sept. 26, 2024 | Cutthroat trout | 291 | 1.9 in. |
| Sept. 18, 2023 | Cutthroat trout | 251 | 2.1 in. |
| Sept. 26, 2022 | Cutthroat trout | 286 | 2.4 in. |
| Sept. 23, 2021 | Cutthroat trout | 263 | 2.5 in. |
Fishing rules
The 2026 Utah Fishing Guidebook lists no water-specific rules for Rob 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 Rob Reservoir is stocked
Email me when Rob 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.
Rob Reservoir questions
When is Rob Reservoir stocked?
DWR does not publish stocking schedules. Past records show Rob Reservoir was stocked in late September (3 of the last 5 years). The most recent stocking in the DWR report is dated Sept. 10, 2026.
What fish are in Rob Reservoir?
Since 2021 DWR has stocked cutthroat trout.
What are the fishing limits at Rob 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.