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.
Recent stockings at Grassy Lake
- Aug. 3, 2026513 rainbow trout, 10.7 in. average
- July 20, 2026499 rainbow trout, 10.3 in. average
- July 8, 2026500 rainbow trout, 10.8 in. average
- June 16, 2026994 rainbow trout, 9.6 in. average
- May 12, 20262,860 tiger trout, 3.0 in. average
- July 17, 20251,494 rainbow trout, 11.1 in. average
Newest first, from the Utah DWR stocking report. Full stocking history.
Grassy Lake facts
- Last stocked
- Aug. 3, 2026 (99 days ago): 513 rainbow trout
- Stockings in 2026
- 5 (5,366 fish): 2,860 tiger trout and 2,506 rainbow trout
- County
- Sanpete County
- Size
- 11 acres
- Stocked since 2021
- rainbow trout and tiger trout
- Likely catch (DWR)
- rainbow trout and tiger trout
- Average size stocked
- 6.9 in. (2021 to 2026)
- County rank
- 16th most fish of 71 stocked waters in Sanpete County since 2021
- Name in DWR report
- GRASSY LAKE RES
- Nearest water
- Jewkes-Van Buren Lake, 1 mi
- Rules
- Statewide rules (no water-specific entry in the 2026 guidebook)
Latest fishing report
Fall outlook: cooling water should clear out the summer algae, and trout then feed actively to bulk up ahead of winter. DWR expects fair to good tiger trout fishing with natural baits, lures and flies.
This report is more than 60 days old. Conditions have likely changed.
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 Nov. 10, 2026; newest record dated Nov. 19, 2026. DWR posts stockings after they happen and does not publish schedules.
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 192nd of 1,076 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.
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. This is past stocking, not a promise. How we read patterns.
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 Nov. 10, 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
No water-specific entry for Grassy Lake 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.
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. You confirm by email first and can unsubscribe in one click.
"Often stocked around now" heads-ups come from past records only, never a promise. We use your email only for these alerts. 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.
Stocking: Utah DWR fish stocking report, fetched Nov. 10, 2026. Size, program, species and facilities: DWR Fish Utah. 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.