Hacking Lake (GR-40) fishing
Hacking Lake (GR-40) was last stocked on Sept. 21, 2026 with 252 cutthroat trout (1.8 in. average), according to the Utah DWR fish stocking report. It is a lake in Uintah County, Utah. From 2021 to 2026, DWR stocked 4,795 fish here, the 18th most of 55 stocked waters in Uintah County.
Recent stockings at Hacking Lake (GR-40)
- Sept. 21, 2026252 cutthroat trout, 1.8 in. average
- June 30, 2026250 rainbow trout and 150 tiger trout, 8.8 in. average
- Oct. 1, 2025498 cutthroat trout, 2.2 in. average
- June 19, 2025250 rainbow trout and 150 tiger trout, 7.4 in. average
- Sept. 23, 2024248 cutthroat trout, 1.5 in. average
- July 6, 2024251 rainbow trout and 251 tiger trout, 6.9 in. average
Newest first, from the Utah DWR stocking report. Full stocking history.
Hacking Lake (GR-40) facts
- Last stocked
- Sept. 21, 2026 (50 days ago): 252 cutthroat trout
- Stockings in 2026
- 3 (652 fish): 252 cutthroat trout, 250 rainbow trout and 150 tiger trout
- County
- Uintah County
- Stocked since 2021
- tiger trout, rainbow trout and cutthroat trout
- Average size stocked
- 5.0 in. (2021 to 2026)
- County rank
- 18th most fish of 55 stocked waters in Uintah County since 2021
- Name in DWR report
- HACKING L GR-40
- Nearest water
- Long Park Reservoir, 2.3 mi
- Rules
- Statewide rules (no water-specific entry in the 2026 guidebook)
Hacking Lake (GR-40) stocking report, last 12 months
| Sept. 21, 2026 | Cutthroat trout | 252 | 1.8 in. |
| June 30, 2026 | Tiger trout | 150 | 3.8 in. |
| June 30, 2026 | Rainbow trout | 250 | 11.9 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.
Hacking Lake (GR-40) stocking profile
- First record in the DWR report: June 24, 2002. Since then DWR has logged 44 stockings here in 24 different years, 19,341 fish in all.
- Species stocked 2021 to 2026, by share of fish: cutthroat trout 41% (1,987 fish), rainbow trout 31% (1,497 fish) and tiger trout 27% (1,311 fish).
- Busiest months in the record: July (45% of records) and June (36% of records).
- Stocked fish averaged 5.0 in. from 2021 to 2026 (per-record averages ranged from 1.5 to 12.0 in.). The yearly average was 6.5 in. in 2021 and 4.5 in. in 2025.
- Fish stocked 2021 to 2026: 4,795, the 18th most of 55 stocked waters in Uintah County and 458th of 1,076 statewide.
- Nearest other water with a page: Long Park Reservoir, 2.3 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 Hacking Lake (GR-40) stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 5 of those 5 years.
2025 stocking: 3 records, first on June 19, last on Oct. 1.
DWR does not publish stocking schedules. This is past stocking, not a promise. How we read patterns.
Hacking Lake (GR-40) stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2026 | 3 | 652 | 6.1 in. | Cutthroat trout, Tiger trout, Rainbow trout |
| 2025 | 3 | 898 | 4.5 in. | Cutthroat trout, Tiger trout, Rainbow trout |
| 2024 | 3 | 750 | 5.1 in. | Cutthroat trout, Rainbow trout, Tiger trout |
| 2023 | 2 | 513 | 7.3 in. | Tiger trout, Rainbow trout |
| 2022 | 1 | 989 | 1.9 in. | Cutthroat trout |
| 2021 | 2 | 993 | 6.5 in. | Tiger trout, Rainbow trout |
| 2020 | 1 | 496 | 3.2 in. | Tiger trout |
| 2019 | 2 | 1,511 | 2.0 in. | Cutthroat trout, Tiger trout |
| 2018 | 1 | 502 | 2.4 in. | Tiger trout |
| 2016 | 2 | 1,291 | 3.0 in. | Cutthroat trout, Rainbow trout |
| 2015 | 1 | 290 | 9.7 in. | Rainbow trout |
| 2014 | 1 | 288 | 9.4 in. | Rainbow trout |
| 2013 | 1 | 290 | 10.3 in. | Rainbow trout |
| 2012 | 1 | 312 | 10.8 in. | Rainbow trout |
| 2011 | 1 | 290 | 10.3 in. | Rainbow trout |
| 2010 | 2 | 1,368 | 3.8 in. | Cutthroat trout, Rainbow trout |
| 2009 | 1 | 351 | 9.6 in. | Rainbow trout |
| 2008 | 2 | 1,352 | 3.7 in. | Cutthroat trout, Rainbow trout |
| 2007 | 1 | 347 | 10.9 in. | Rainbow trout |
| 2006 | 4 | 2,104 | 5.1 in. | Rainbow trout, Brook trout, Tiger trout |
| 2005 | 1 | 348 | 9.9 in. | Rainbow trout |
| 2004 | 3 | 1,441 | 4.6 in. | Rainbow trout, Brook trout |
| 2003 | 3 | 462 | 9.4 in. | Rainbow trout |
| 2002 | 2 | 1,503 | 4.8 in. | Brook trout, Rainbow trout |
All stocking records 2021 to Nov. 10, 2025 (11)
| Oct. 1, 2025 | Cutthroat trout | 498 | 2.2 in. |
| June 19, 2025 | Tiger trout | 150 | 3.6 in. |
| June 19, 2025 | Rainbow trout | 250 | 9.7 in. |
| Sept. 23, 2024 | Cutthroat trout | 248 | 1.5 in. |
| July 6, 2024 | Rainbow trout | 251 | 10.3 in. |
| July 6, 2024 | Tiger trout | 251 | 3.6 in. |
| July 11, 2023 | Tiger trout | 263 | 2.7 in. |
| July 11, 2023 | Rainbow trout | 250 | 12.0 in. |
| Sept. 23, 2022 | Cutthroat trout | 989 | 1.9 in. |
| July 7, 2021 | Tiger trout | 497 | 3.5 in. |
| June 18, 2021 | Rainbow trout | 496 | 9.5 in. |
Fishing rules
No water-specific entry for Hacking Lake (GR-40) 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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Hacking Lake (GR-40) questions
When is Hacking Lake (GR-40) stocked?
DWR does not publish stocking schedules. Past records show Hacking Lake (GR-40) was stocked in early to mid July (3 of the last 5 years) and late September to early October (3 of the last 5 years). The most recent stocking in the DWR report is dated Sept. 21, 2026.
What fish are in Hacking Lake (GR-40)?
Since 2021 DWR has stocked tiger trout, rainbow trout and cutthroat 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.