Grassy Lake fishing
Grassy Lake was last stocked on Aug. 3, 2026 with 513 rainbow trout (10.7 in. average), according to the Utah DWR fish stocking report. It is a 11-acre lake in Sanpete County, Utah. From 2021 to 2026, DWR stocked 28,657 fish here, the 16th most of 71 stocked waters in Sanpete County.
Latest fishing report
Fall outlook: cooling water should clear out the summer algae, and trout then feed hard ahead of winter. Expect fair to good tiger trout fishing on natural baits, lures and flies.
Our summary of the Utah DWR fishing report dated Sept. 4, 2026, in our own words. Read the original on DWR Fish Utah.
Grassy Lake stocking report, last 12 months
| Aug. 3, 2026 | Rainbow trout | 513 | 10.7 in. |
| July 20, 2026 | Rainbow trout | 499 | 10.3 in. |
| July 8, 2026 | Rainbow trout | 500 | 10.8 in. |
| June 16, 2026 | Rainbow trout | 994 | 9.6 in. |
| May 12, 2026 | Tiger trout | 2,860 | 3.0 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 Grassy Lake stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 5 of those 5 years.
2025 stocking: 4 records, first on June 10, last on July 17.
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.
Grassy Lake stocking profile
- First record in the DWR report: May 28, 2002. Since then DWR has logged 130 stockings here in 25 different years, 130,486 fish in all.
- Species stocked 2021 to 2026, by share of fish: tiger trout 54% (15,394 fish) and rainbow trout 46% (13,263 fish).
- Busiest months in the record: July (50% of records) and June (33% of records).
- Stocked fish averaged 6.9 in. from 2021 to 2026 (per-record averages ranged from 3.0 to 11.2 in.).
- Fish stocked 2021 to 2026: 28,657, the 16th most of 71 stocked waters in Sanpete County and 190th of 1,068 statewide.
- Nearest other water with a page: Jewkes-Van Buren 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.
Grassy Lake stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2026 | 5 | 5,366 | 6.3 in. | Rainbow trout, Tiger trout |
| 2025 | 4 | 5,032 | 6.8 in. | Rainbow trout, Tiger trout |
| 2024 | 6 | 4,990 | 7.4 in. | Rainbow trout, Tiger trout |
| 2023 | 3 | 4,485 | 6.7 in. | Rainbow trout, Tiger trout |
| 2022 | 5 | 5,030 | 7.8 in. | Rainbow trout, Tiger trout |
| 2021 | 3 | 3,754 | 6.5 in. | Rainbow trout, Tiger trout |
| 2020 | 4 | 5,064 | 7.1 in. | Rainbow trout, Tiger trout |
| 2019 | 5 | 6,124 | 7.9 in. | Rainbow trout, Tiger trout |
| 2018 | 1 | 2,600 | 4.2 in. | Tiger trout |
| 2017 | 4 | 6,019 | 7.1 in. | Rainbow trout, Tiger trout |
| 2016 | 5 | 5,933 | 8.1 in. | Tiger trout, Rainbow trout |
| 2015 | 5 | 6,048 | 7.6 in. | Tiger trout, Rainbow trout |
| 2014 | 5 | 6,042 | 7.8 in. | Tiger trout, Rainbow trout |
| 2013 | 6 | 6,078 | 7.9 in. | Rainbow trout, Tiger trout |
| 2012 | 9 | 5,998 | 8.0 in. | Rainbow trout, Tiger trout |
| 2011 | 9 | 6,000 | 7.7 in. | Rainbow trout, Tiger trout |
| 2010 | 7 | 5,993 | 7.6 in. | Rainbow trout, Tiger trout |
| 2009 | 7 | 6,024 | 7.7 in. | Tiger trout, Rainbow trout |
| 2008 | 9 | 5,020 | 7.0 in. | Rainbow trout, Tiger trout |
| 2007 | 4 | 5,000 | 6.9 in. | Rainbow trout, Tiger trout |
| 2006 | 6 | 5,996 | 7.7 in. | Tiger trout, Rainbow trout |
| 2005 | 5 | 5,036 | 7.5 in. | Rainbow trout, Tiger trout |
| 2004 | 5 | 5,746 | 6.6 in. | Rainbow trout, Tiger trout |
| 2003 | 5 | 5,029 | 6.7 in. | Rainbow trout, Tiger trout |
| 2002 | 3 | 2,079 | 9.6 in. | Rainbow trout |
All stocking records 2021 to Sept. 24, 2025 (21)
| July 17, 2025 | Rainbow trout | 622 | 11.1 in. |
| July 17, 2025 | Rainbow trout | 872 | 11.1 in. |
| June 10, 2025 | Tiger trout | 2,530 | 3.0 in. |
| June 10, 2025 | Rainbow trout | 1,008 | 9.9 in. |
| Sept. 10, 2024 | Rainbow trout | 500 | 10.8 in. |
| July 31, 2024 | Tiger trout | 2,489 | 4.3 in. |
| July 17, 2024 | Rainbow trout | 501 | 9.4 in. |
| July 3, 2024 | Rainbow trout | 500 | 11.0 in. |
| June 18, 2024 | Rainbow trout | 500 | 10.8 in. |
| June 18, 2024 | Rainbow trout | 500 | 10.8 in. |
| July 20, 2023 | Rainbow trout | 999 | 9.8 in. |
| July 20, 2023 | Tiger trout | 2,485 | 4.3 in. |
| June 29, 2023 | Rainbow trout | 1,001 | 9.5 in. |
| Oct. 5, 2022 | Rainbow trout | 500 | 10.8 in. |
| July 26, 2022 | Tiger trout | 2,530 | 5.1 in. |
| July 12, 2022 | Rainbow trout | 700 | 9.1 in. |
| June 26, 2022 | Rainbow trout | 801 | 11.2 in. |
| June 13, 2022 | Rainbow trout | 499 | 11.2 in. |
| July 21, 2021 | Rainbow trout | 504 | 10.1 in. |
| July 7, 2021 | Tiger trout | 2,500 | 4.5 in. |
| June 8, 2021 | Rainbow trout | 750 | 10.8 in. |
Fishing rules
The 2026 Utah Fishing Guidebook lists no water-specific rules for Grassy Lake 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.
Access and facilities
- Camping
- Primitive tent camping
Facility list from DWR Fish Utah. Check with the land manager before you go; facilities close seasonally.
Email me when Grassy Lake is stocked
Email me when Grassy Lake 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.
Grassy Lake questions
When is Grassy Lake stocked?
DWR does not publish stocking schedules. Past records show Grassy Lake was stocked in early to mid June (4 of the last 5 years), late June to early July (4 of the last 5 years) and mid to late July (5 of the last 5 years). The most recent stocking in the DWR report is dated Aug. 3, 2026.
What fish are in Grassy Lake?
DWR lists rainbow trout and tiger trout as likely catches. Since 2021 DWR has stocked rainbow trout and tiger trout.
What are the fishing limits at Grassy Lake?
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. Size, program, species and facilities: DWR Fish Utah. 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.