Mumford Reservoir fishing
Mumford Reservoir was last stocked on Sept. 18, 2023 with 151 cutthroat trout (2.1 in. average), according to the Utah DWR fish stocking report. It is a reservoir in Beaver County, Utah. From 2021 to 2026, DWR stocked 630 fish here, the 14th most of 17 stocked waters in Beaver County.
Mumford Reservoir stocking report, last 12 months
No stocking recorded in the last 12 months. The most recent record is dated Sept. 18, 2023.
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 Mumford Reservoir stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 3 of those 5 years.
In past years, stocking here had usually started by this time of year (3 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.
Mumford Reservoir stocking profile
- First record in the DWR report: Oct. 11, 2002. Since then DWR has logged 24 stockings here in 20 different years, 7,302 fish in all.
- Species stocked 2021 to 2026, by share of fish: cutthroat trout 77% (483 fish) and tiger trout 23% (147 fish).
- Busiest months in the record: September (67% of records) and July (17% of records).
- Stocked fish averaged 2.5 in. from 2021 to 2026 (per-record averages ranged from 2.1 to 3.0 in.).
- Fish stocked 2021 to 2026: 630, the 14th most of 17 stocked waters in Beaver County and 875th of 1,068 statewide.
- Nearest other water with a page: Senceball, 0.6 mi away.
Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.
Mumford Reservoir stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2023 | 2 | 204 | 2.3 in. | Cutthroat trout, Tiger trout |
| 2022 | 2 | 208 | 2.5 in. | Cutthroat trout, Tiger trout |
| 2021 | 2 | 218 | 2.6 in. | Cutthroat trout, Tiger trout |
| 2020 | 2 | 208 | 2.5 in. | Cutthroat trout, Tiger trout |
| 2019 | 1 | 487 | 1.8 in. | Cutthroat trout |
| 2018 | 1 | 454 | 2.3 in. | Cutthroat trout |
| 2017 | 1 | 428 | 2.1 in. | Cutthroat trout |
| 2016 | 1 | 416 | 1.9 in. | Cutthroat trout |
| 2015 | 1 | 462 | 2.0 in. | Cutthroat trout |
| 2014 | 1 | 436 | 1.9 in. | Cutthroat trout |
| 2013 | 1 | 399 | 2.3 in. | Cutthroat trout |
| 2012 | 1 | 412 | 2.4 in. | Cutthroat trout |
| 2011 | 1 | 434 | 1.7 in. | Cutthroat trout |
| 2010 | 1 | 428 | 2.1 in. | Cutthroat trout |
| 2009 | 1 | 40 | 3.7 in. | Cutthroat trout |
| 2008 | 1 | 421 | 2.2 in. | Cutthroat trout |
| 2007 | 1 | 428 | 1.5 in. | Cutthroat trout |
| 2005 | 1 | 402 | 1.8 in. | Cutthroat trout |
| 2003 | 1 | 397 | 1.7 in. | Cutthroat trout |
| 2002 | 1 | 420 | 2.0 in. | Cutthroat trout |
All stocking records 2021 to Sept. 24, 2025 (6)
| Sept. 18, 2023 | Cutthroat trout | 151 | 2.1 in. |
| July 11, 2023 | Tiger trout | 53 | 2.9 in. |
| Sept. 26, 2022 | Cutthroat trout | 163 | 2.4 in. |
| July 7, 2022 | Tiger trout | 45 | 2.8 in. |
| Sept. 23, 2021 | Cutthroat trout | 169 | 2.5 in. |
| July 6, 2021 | Tiger trout | 49 | 3.0 in. |
Fishing rules
The 2026 Utah Fishing Guidebook lists no water-specific rules for Mumford 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 Mumford Reservoir is stocked
Email me when Mumford 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.
Mumford Reservoir questions
When is Mumford Reservoir stocked?
DWR does not publish stocking schedules. Past records show Mumford Reservoir was stocked in early to mid July (3 of the last 5 years) and mid to late September (3 of the last 5 years). The most recent stocking in the DWR report is dated Sept. 18, 2023.
What fish are in Mumford Reservoir?
Since 2021 DWR has stocked cutthroat trout and tiger trout.
What are the fishing limits at Mumford 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.