Cottonwood Reservoir fishing
Cottonwood Reservoir was last stocked on April 27, 2026 with 1,250 tiger muskie (2.6 in. average), according to the Utah DWR fish stocking report. It is a reservoir in Uintah County, Utah. From 2021 to 2026, DWR stocked 100,003 fish here, the 4th most of 54 stocked waters in Uintah County.
Cottonwood Reservoir stocking report, last 12 months
| April 27, 2026 | Tiger muskie | 1,250 | 2.6 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 Cottonwood Reservoir stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 5 of those 5 years.
2025 stocking: 2 records, first on May 12, last on July 30.
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.
Cottonwood Reservoir stocking profile
- First record in the DWR report: July 2, 2002. Since then DWR has logged 67 stockings here in 20 different years, 594,540 fish in all.
- Species stocked 2021 to 2026, by share of fish: bluegill 40% (40,425 fish), sucker 27% (27,214 fish), wiper 16% (15,972 fish), tiger muskie 9% (8,885 fish), rainbow trout 5% (4,812 fish), brown trout 2% (1,995 fish) and channel catfish 1% (700 fish).
- Busiest months in the record: April (28% of records) and May (28% of records).
- Stocked fish averaged 2.9 in. from 2021 to 2026 (per-record averages ranged from 1.0 to 13.6 in.).
- Fish stocked 2021 to 2026: 100,003, the 4th most of 54 stocked waters in Uintah County and 63rd of 1,068 statewide.
- Nearest other water with a page: Bullock Reservoir, 1.6 mi away.
Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.
Cottonwood Reservoir stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2026 | 1 | 1,250 | 2.6 in. | Tiger muskie |
| 2025 | 2 | 4,283 | 2.2 in. | Wiper, Tiger muskie |
| 2024 | 2 | 4,218 | 2.0 in. | Wiper, Tiger muskie |
| 2023 | 2 | 4,739 | 2.4 in. | Wiper, Tiger muskie |
| 2022 | 6 | 38,685 | 3.4 in. | Rainbow trout, Bluegill, Channel catfish, Wiper, Tiger muskie |
| 2021 | 7 | 46,828 | 2.5 in. | Rainbow trout, Sucker, Wiper, Tiger muskie, Brown trout, Bluegill |
| 2020 | 4 | 34,949 | 2.7 in. | Bluegill, Wiper, Rainbow trout, Tiger muskie |
| 2019 | 5 | 11,558 | 3.8 in. | Tiger muskie, Brown trout, Rainbow trout |
| 2018 | 3 | 55,722 | 0.7 in. | Wiper, Tiger muskie, Brown trout |
| 2017 | 4 | 24,943 | 2.7 in. | Channel catfish, Wiper, Brown trout, Tiger muskie |
| 2016 | 6 | 38,299 | 2.3 in. | Channel catfish, Wiper, Brown trout, Tiger muskie, Rainbow trout |
| 2015 | 4 | 70,008 | 1.0 in. | Channel catfish, Wiper, Tiger muskie, Brown trout |
| 2014 | 8 | 184,887 | 2.0 in. | Wiper, Rainbow trout, Tiger trout, Brown trout |
| 2012 | 1 | 100 | 1.8 in. | Tiger muskie |
| 2011 | 1 | 80 | 5.5 in. | Tiger muskie |
| 2006 | 5 | 31,084 | 4.9 in. | Tiger muskie, Rainbow trout |
| 2005 | 2 | 35,612 | 3.2 in. | Tiger muskie, Rainbow trout |
| 2004 | 1 | 1,502 | 12.7 in. | Tiger muskie |
| 2003 | 2 | 4,999 | 8.7 in. | Rainbow trout |
| 2002 | 1 | 794 | 4.0 in. | Tiger muskie |
All stocking records 2021 to Sept. 24, 2025 (19)
| July 30, 2025 | Wiper | 3,000 | 2.0 in. |
| May 12, 2025 | Tiger muskie | 1,283 | 2.8 in. |
| July 18, 2024 | Wiper | 2,970 | 2.0 in. |
| April 16, 2024 | Tiger muskie | 1,248 | 2.0 in. |
| Aug. 2, 2023 | Wiper | 3,495 | 2.5 in. |
| May 9, 2023 | Tiger muskie | 1,244 | 2.1 in. |
| Nov. 9, 2022 | Rainbow trout | 2,997 | 10.5 in. |
| Sept. 22, 2022 | Bluegill | 30,030 | 2.6 in. |
| Sept. 15, 2022 | Channel catfish | 700 | 13.6 in. |
| Aug. 1, 2022 | Wiper | 3,018 | 1.9 in. |
| May 24, 2022 | Tiger muskie | 1,250 | 1.4 in. |
| March 16, 2022 | Rainbow trout | 690 | 10.3 in. |
| Nov. 2, 2021 | Rainbow trout | 1,125 | 10.1 in. |
| Oct. 7, 2021 | Sucker | 27,214 | 2.2 in. |
| Aug. 12, 2021 | Wiper | 3,489 | 2.2 in. |
| July 15, 2021 | Tiger muskie | 1,332 | 4.1 in. |
| May 19, 2021 | Brown trout | 1,995 | 2.7 in. |
| May 12, 2021 | Bluegill | 10,395 | 2.7 in. |
| April 20, 2021 | Tiger muskie | 1,278 | 1.0 in. |
Fishing rules
The 2026 Utah Fishing Guidebook lists no water-specific rules for Cottonwood Reservoir 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
Facility list from DWR Fish Utah. Check with the land manager before you go; facilities close seasonally.
Email me when Cottonwood Reservoir is stocked
Email me when Cottonwood Reservoir 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.
Cottonwood Reservoir questions
When is Cottonwood Reservoir stocked?
DWR does not publish stocking schedules. Past records show Cottonwood Reservoir was stocked in early to mid May (3 of the last 5 years), mid to late July (3 of the last 5 years) and early to mid August (3 of the last 5 years). The most recent stocking in the DWR report is dated April 27, 2026.
What fish are in Cottonwood Reservoir?
DWR lists tiger muskie as likely catches and brown trout, channel catfish and wiper as possible. Since 2021 DWR has stocked tiger muskie, wiper, rainbow trout, bluegill, channel catfish, sucker and brown trout.
What are the fishing limits at Cottonwood Reservoir?
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.