Deep Lake (Manti Mountains) fishing
Deep Lake (Manti Mountains) was last stocked on Sept. 10, 2026 with 2,002 arctic grayling (1.8 in. average), according to the Utah DWR fish stocking report. It is a 4.6-acre lake in Sanpete County, Utah. From 2021 to 2026, DWR stocked 16,663 fish here, the 25th most of 71 stocked waters in Sanpete County.
Deep Lake (Manti Mountains) stocking report, last 12 months
| Sept. 10, 2026 | Arctic grayling | 2,002 | 1.8 in. |
| June 30, 2026 | Brook trout | 476 | 2.7 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 Deep Lake (Manti Mountains) stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 5 of those 5 years.
2025 stocking: 3 records, first on July 2, last on Aug. 15.
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.
Deep Lake (Manti Mountains) stocking profile
- First record in the DWR report: June 12, 2002. Since then DWR has logged 68 stockings here in 25 different years, 61,310 fish in all.
- Species stocked 2021 to 2026, by share of fish: rainbow trout 69% (11,550 fish), brook trout 14% (2,311 fish), arctic grayling 12% (2,002 fish) and tiger trout 5% (800 fish).
- Busiest months in the record: July (41% of records) and June (37% of records).
- Stocked fish averaged 7.8 in. from 2021 to 2026 (per-record averages ranged from 1.8 to 10.9 in.). The yearly average was 10.3 in. in 2021 and 7.8 in. in 2025.
- Fish stocked 2021 to 2026: 16,663, the 25th most of 71 stocked waters in Sanpete County and 250th of 1,068 statewide.
- Nearest other water with a page: Upper WPA Pond (Manti Mountains), 0.5 mi away.
- Other water with this name: Deep Lake in Sevier County, 41 mi away. DWR lists them as separate waters (DWR water ids VI444 and VI498).
Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.
Deep Lake (Manti Mountains) stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2026 | 2 | 2,478 | 2.0 in. | Arctic grayling, Brook trout |
| 2025 | 3 | 2,540 | 7.8 in. | Rainbow trout, Tiger trout, Brook trout |
| 2024 | 3 | 2,827 | 8.7 in. | Rainbow trout, Brook trout |
| 2023 | 2 | 2,406 | 8.9 in. | Rainbow trout, Brook trout |
| 2022 | 3 | 3,310 | 8.6 in. | Brook trout, Rainbow trout |
| 2021 | 4 | 3,102 | 10.3 in. | Brook trout, Rainbow trout |
| 2020 | 2 | 2,610 | 8.6 in. | Brook trout, Rainbow trout |
| 2019 | 2 | 2,048 | 9.7 in. | Brook trout, Rainbow trout |
| 2018 | 3 | 2,673 | 8.5 in. | Brook trout, Rainbow trout |
| 2017 | 4 | 2,298 | 9.4 in. | Brook trout, Rainbow trout |
| 2016 | 3 | 2,306 | 10.0 in. | Rainbow trout, Brook trout |
| 2015 | 3 | 2,106 | 11.8 in. | Rainbow trout |
| 2014 | 4 | 2,216 | 10.2 in. | Rainbow trout |
| 2013 | 2 | 2,512 | 9.8 in. | Rainbow trout |
| 2012 | 2 | 1,759 | 9.5 in. | Rainbow trout |
| 2011 | 1 | 1,760 | 10.0 in. | Rainbow trout |
| 2010 | 2 | 2,503 | 8.7 in. | Brook trout, Rainbow trout |
| 2009 | 3 | 2,305 | 9.3 in. | Brook trout, Rainbow trout |
| 2008 | 2 | 2,002 | 9.5 in. | Rainbow trout |
| 2007 | 3 | 2,500 | 8.6 in. | Tiger trout, Brook trout, Rainbow trout |
| 2006 | 3 | 2,691 | 8.7 in. | Brook trout, Rainbow trout |
| 2005 | 4 | 2,219 | 10.2 in. | Brook trout, Rainbow trout |
| 2004 | 4 | 3,429 | 7.7 in. | Brook trout, Rainbow trout |
| 2003 | 2 | 2,511 | 8.9 in. | Rainbow trout |
| 2002 | 2 | 2,199 | 9.2 in. | Rainbow trout |
All stocking records 2021 to Sept. 24, 2025 (15)
| Aug. 15, 2025 | Rainbow trout | 1,440 | 10.9 in. |
| Aug. 15, 2025 | Tiger trout | 800 | 3.9 in. |
| July 2, 2025 | Brook trout | 300 | 3.2 in. |
| July 9, 2024 | Rainbow trout | 1,600 | 10.8 in. |
| July 9, 2024 | Rainbow trout | 500 | 10.8 in. |
| July 1, 2024 | Brook trout | 727 | 2.7 in. |
| July 17, 2023 | Rainbow trout | 2,106 | 9.8 in. |
| July 6, 2023 | Brook trout | 300 | 2.6 in. |
| July 14, 2022 | Brook trout | 306 | 3.0 in. |
| June 30, 2022 | Rainbow trout | 1,502 | 9.1 in. |
| June 30, 2022 | Rainbow trout | 1,502 | 9.1 in. |
| June 29, 2021 | Brook trout | 202 | 2.8 in. |
| June 17, 2021 | Rainbow trout | 400 | 10.8 in. |
| June 15, 2021 | Rainbow trout | 1,250 | 10.8 in. |
| June 15, 2021 | Rainbow trout | 1,250 | 10.8 in. |
Fishing rules
The 2026 Utah Fishing Guidebook lists no water-specific rules for Deep Lake (Manti Mountains) 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
- Other activities
- Hiking, OHV or 4WD trails, Wildlife watching
Facility list from DWR Fish Utah. Check with the land manager before you go; facilities close seasonally.
Email me when Deep Lake (Manti Mountains) is stocked
Email me when Deep Lake (Manti Mountains) 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.
Deep Lake (Manti Mountains) questions
When is Deep Lake (Manti Mountains) stocked?
DWR does not publish stocking schedules. Past records show Deep Lake (Manti Mountains) was stocked in early July (3 of the last 5 years). The most recent stocking in the DWR report is dated Sept. 10, 2026.
What fish are in Deep Lake (Manti Mountains)?
DWR lists brook trout and rainbow trout as likely catches. Since 2021 DWR has stocked rainbow trout, brook trout, arctic grayling and tiger trout.
What are the fishing limits at Deep Lake (Manti Mountains)?
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.