Hacking Lake (GR-40) fishing

Hacking Lake (GR-40) was last stocked on June 30, 2026 with 250 rainbow trout and 150 tiger trout (8.8 in. average), according to the Utah DWR fish stocking report. It is a lake in Uintah County, Utah. From 2021 to 2026, DWR stocked 4,543 fish here, the 18th most of 54 stocked waters in Uintah County.

Stocking data fetched Sept. 25, 2026.
Last stockedJune 30, 202686 days ago, rainbow trout
Fish stocked in 20264002 records
Records since 202113History back to 2002
Stocked species3rainbow trout, tiger trout and cutthroat trout

Hacking Lake (GR-40) stocking report, last 12 months

Hacking Lake (GR-40): DWR stocking records since Sept. 24, 2025, newest first.
June 30, 2026 Rainbow trout 250 11.9 in.
June 30, 2026 Tiger trout 150 3.8 in.
Oct. 1, 2025 Cutthroat trout 498 2.2 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 Hacking Lake (GR-40) stocked?

Based on DWR stocking records, 2021 to 2025. Stocked in 5 of those 5 years.

early to mid Julystocked in 3 of the last 5 years, mostly tiger trout and rainbow trout.
late September to early Octoberstocked in 3 of the last 5 years, mostly cutthroat trout.

2025 stocking: 3 records, first on June 19, last on Oct. 1.

Years with a stocking in each third of the month, 2021 to 2025:012345

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.

Hacking Lake (GR-40) stocking profile

  • First record in the DWR report: June 24, 2002. Since then DWR has logged 43 stockings here in 24 different years, 19,089 fish in all.
  • Species stocked 2021 to 2026, by share of fish: cutthroat trout 38% (1,735 fish), rainbow trout 33% (1,497 fish) and tiger trout 29% (1,311 fish).
  • Busiest months in the record: July (47% of records) and June (37% of records).
  • Stocked fish averaged 5.2 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: 4,543, the 18th most of 54 stocked waters in Uintah County and 463rd of 1,068 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.

Hacking Lake (GR-40) stocking history by year

Hacking Lake (GR-40): DWR stocking records per year. Fish counts are totals of all records that year; average length is weighted by the number of fish.
YearRecordsFishAvg. lengthSpecies
202624008.8 in.Rainbow trout, Tiger trout
202538984.5 in.Cutthroat trout, Tiger trout, Rainbow trout
202437505.1 in.Cutthroat trout, Rainbow trout, Tiger trout
202325137.3 in.Tiger trout, Rainbow trout
202219891.9 in.Cutthroat trout
202129936.5 in.Tiger trout, Rainbow trout
202014963.2 in.Tiger trout
201921,5112.0 in.Cutthroat trout, Tiger trout
201815022.4 in.Tiger trout
201621,2913.0 in.Cutthroat trout, Rainbow trout
201512909.7 in.Rainbow trout
201412889.4 in.Rainbow trout
2013129010.3 in.Rainbow trout
2012131210.8 in.Rainbow trout
2011129010.3 in.Rainbow trout
201021,3683.8 in.Cutthroat trout, Rainbow trout
200913519.6 in.Rainbow trout
200821,3523.7 in.Cutthroat trout, Rainbow trout
2007134710.9 in.Rainbow trout
200642,1045.1 in.Rainbow trout, Brook trout, Tiger trout
200513489.9 in.Rainbow trout
200431,4414.6 in.Rainbow trout, Brook trout
200334629.4 in.Rainbow trout
200221,5034.8 in.Brook trout, Rainbow trout
All stocking records 2021 to Sept. 24, 2025 (10)
Hacking Lake (GR-40): DWR stocking records 2021 to Sept. 24, 2025.
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

The 2026 Utah Fishing Guidebook lists no water-specific rules for Hacking Lake (GR-40) 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.

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Hacking Lake (GR-40)
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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 June 30, 2026.

What fish are in Hacking Lake (GR-40)?

Since 2021 DWR has stocked rainbow trout, tiger trout and cutthroat trout.

What are the fishing limits at Hacking Lake (GR-40)?

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.

Sources

Stocking: Utah DWR fish stocking report, fetched Sept. 25, 2026. 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.