Marshall Lake (Z-11) fishing
Marshall Lake (Z-11) was last stocked on June 25, 2025 with 1,800 brook trout (3.0 in. average), according to the Utah DWR fish stocking report. It is a lake in Duchesne County, Utah. From 2021 to 2026, DWR stocked 5,400 fish here, the 42nd most of 263 stocked waters in Duchesne County.
Recent stockings at Marshall Lake (Z-11)
- June 25, 20251,800 brook trout, 3.0 in. average
- July 13, 20231,794 brook trout, 2.7 in. average
- June 30, 20211,806 brook trout, 2.8 in. average
- July 8, 20191,352 brook trout, 2.7 in. average
- July 12, 20171,802 brook trout, 2.3 in. average
- July 1, 20151,504 brook trout, 2.5 in. average
Newest first, from the Utah DWR stocking report. Full stocking history.
Marshall Lake (Z-11) facts
- Last stocked
- June 25, 2025 (503 days ago): 1,800 brook trout
- Stockings in 2026
- None recorded yet in 2026
- County
- Duchesne County
- Stocked since 2021
- brook trout
- Average size stocked
- 2.8 in. (2021 to 2026)
- County rank
- 42nd most fish of 263 stocked waters in Duchesne County since 2021
- Name in DWR report
- MARSHALL L Z-11
- Nearest water
- Hoover Lake (Z-10), 0.3 mi
- Rules
- Statewide rules (no water-specific entry in the 2026 guidebook)
Marshall Lake (Z-11) stocking report, last 12 months
No stocking recorded in the last 12 months. The most recent record is dated June 25, 2025.
Source: Utah DWR fish stocking report. Stocking data fetched Nov. 10, 2026; newest record dated Nov. 19, 2026. DWR posts stockings after they happen and does not publish schedules.
Marshall Lake (Z-11) stocking profile
- First record in the DWR report: June 24, 2002. Since then DWR has logged 12 stockings here in 11 different years, 19,080 fish in all.
- Species stocked 2021 to 2026, by share of fish: brook trout 100% (5,400 fish).
- Busiest months in the record: July (75% of records) and June (25% of records).
- Stocked fish averaged 2.8 in. from 2021 to 2026 (per-record averages ranged from 2.7 to 3.0 in.).
- Fish stocked 2021 to 2026: 5,400, the 42nd most of 263 stocked waters in Duchesne County and 438th of 1,076 statewide.
- Nearest other water with a page: Hoover Lake (Z-10), 0.3 mi away.
Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.
When is Marshall Lake (Z-11) stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 3 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 June 25.
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. This is past stocking, not a promise. How we read patterns.
Marshall Lake (Z-11) stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2025 | 1 | 1,800 | 3.0 in. | Brook trout |
| 2023 | 1 | 1,794 | 2.7 in. | Brook trout |
| 2021 | 1 | 1,806 | 2.8 in. | Brook trout |
| 2019 | 1 | 1,352 | 2.7 in. | Brook trout |
| 2017 | 1 | 1,802 | 2.3 in. | Brook trout |
| 2015 | 1 | 1,504 | 2.5 in. | Brook trout |
| 2013 | 1 | 1,822 | 2.6 in. | Brook trout |
| 2009 | 1 | 1,800 | 2.7 in. | Brook trout |
| 2006 | 2 | 1,799 | 2.7 in. | Brook trout |
| 2005 | 1 | 1,796 | 2.6 in. | Brook trout |
| 2002 | 1 | 1,805 | 2.5 in. | Brook trout |
All stocking records 2021 to Nov. 10, 2025 (3)
| June 25, 2025 | Brook trout | 1,800 | 3.0 in. |
| July 13, 2023 | Brook trout | 1,794 | 2.7 in. |
| June 30, 2021 | Brook trout | 1,806 | 2.8 in. |
Fishing rules
No water-specific entry for Marshall Lake (Z-11) in the 2026 guidebook: statewide limits apply unless a group entry (such as a drainage) covers it.
From the 2026 Utah Fishing Guidebook, in our own words. Rules can change mid-year: check wildlife.utah.gov/guidebooks before fishing.
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Marshall Lake (Z-11) questions
When was Marshall Lake (Z-11) last stocked?
The most recent stocking in the DWR report is dated June 25, 2025: 1,800 brook trout.
What fish are in Marshall Lake (Z-11)?
Since 2021 DWR has stocked brook trout.
Stocking: Utah DWR fish stocking report, fetched Nov. 10, 2026. Location: Utah DWR, USGS NHD. Rules: 2026 Utah Fishing Guidebook. Page built Nov. 10, 2026. Found an error? Tell us. Verify rules with DWR before fishing.