Matt Warner Reservoir fishing
Matt Warner Reservoir was last stocked on May 27, 2026 with 3,929 brown trout (3.1 in. average), according to the Utah DWR fish stocking report. It is a reservoir in Uintah County, Utah. From 2021 to 2026, DWR stocked 235,557 fish here, the 2nd most of 54 stocked waters in Uintah County.
Matt Warner Reservoir stocking report, last 12 months
| May 27, 2026 | Brown trout | 3,929 | 3.1 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 Matt Warner Reservoir stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 5 of those 5 years.
2025 stocking: 7 records, first on May 8, last on June 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.
Matt Warner Reservoir stocking profile
- First record in the DWR report: June 6, 2002. Since then DWR has logged 84 stockings here in 25 different years, 1,363,177 fish in all.
- Species stocked 2021 to 2026, by share of fish: rainbow trout 84% (197,060 fish), brown trout 15% (35,013 fish), tiger trout 1% (2,474 fish) and sterile grass carp 0% (1,010 fish).
- Busiest months in the record: May (58% of records) and June (19% of records).
- Stocked fish averaged 3.5 in. from 2021 to 2026 (per-record averages ranged from 2.2 to 11.8 in.). The yearly average was 2.8 in. in 2021 and 3.8 in. in 2025.
- Fish stocked 2021 to 2026: 235,557, the 2nd most of 54 stocked waters in Uintah County and 24th of 1,068 statewide.
- Nearest other water with a page: Calder Reservoir, 5.6 mi away.
Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.
Matt Warner Reservoir stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2026 | 1 | 3,929 | 3.1 in. | Brown trout |
| 2025 | 7 | 50,370 | 3.8 in. | Tiger trout, Rainbow trout, Sterile grass carp, Brown trout |
| 2024 | 6 | 39,714 | 4.1 in. | Brown trout, Rainbow trout, Sterile grass carp |
| 2023 | 4 | 41,459 | 4.0 in. | Rainbow trout, Brown trout |
| 2022 | 6 | 51,592 | 3.0 in. | Brown trout, Rainbow trout, Sterile grass carp |
| 2021 | 5 | 48,493 | 2.8 in. | Rainbow trout, Brown trout |
| 2020 | 9 | 83,549 | 4.0 in. | Brown trout, Rainbow trout |
| 2019 | 3 | 61,045 | 2.6 in. | Tiger trout, Brown trout, Rainbow trout |
| 2018 | 7 | 80,522 | 4.1 in. | Rainbow trout, Tiger trout, Brown trout |
| 2017 | 7 | 78,376 | 3.8 in. | Rainbow trout, Tiger trout |
| 2016 | 3 | 58,211 | 3.0 in. | Rainbow trout, Tiger trout |
| 2015 | 2 | 43,109 | 3.3 in. | Rainbow trout, Tiger trout |
| 2014 | 2 | 62,911 | 3.0 in. | Tiger trout, Rainbow trout |
| 2013 | 2 | 60,104 | 3.0 in. | Rainbow trout |
| 2012 | 3 | 62,981 | 3.0 in. | Rainbow trout |
| 2011 | 1 | 35,385 | 2.9 in. | Rainbow trout |
| 2010 | 2 | 46,486 | 2.9 in. | Rainbow trout |
| 2009 | 1 | 2,803 | 5.0 in. | Trout (mixed) |
| 2008 | 7 | 148,466 | 4.2 in. | Rainbow trout |
| 2007 | 1 | 49,997 | 2.8 in. | Rainbow trout |
| 2006 | 1 | 49,999 | 2.9 in. | Rainbow trout |
| 2005 | 1 | 50,018 | 3.0 in. | Rainbow trout |
| 2004 | 1 | 51,181 | 3.0 in. | Rainbow trout |
| 2003 | 1 | 51,802 | 3.5 in. | Rainbow trout |
| 2002 | 1 | 50,675 | 3.4 in. | Rainbow trout |
All stocking records 2021 to Sept. 24, 2025 (28)
| June 30, 2025 | Tiger trout | 2,474 | 4.3 in. |
| May 30, 2025 | Rainbow trout | 33,042 | 2.7 in. |
| May 18, 2025 | Sterile grass carp | 380 | 6.8 in. |
| May 13, 2025 | Brown trout | 5,747 | 3.0 in. |
| May 13, 2025 | Rainbow trout | 1,724 | 4.0 in. |
| May 12, 2025 | Rainbow trout | 4,099 | 9.3 in. |
| May 8, 2025 | Rainbow trout | 2,904 | 9.2 in. |
| June 3, 2024 | Brown trout | 5,249 | 2.4 in. |
| May 30, 2024 | Rainbow trout | 3,877 | 9.3 in. |
| May 20, 2024 | Rainbow trout | 10,598 | 3.9 in. |
| May 16, 2024 | Sterile grass carp | 325 | 10.0 in. |
| May 15, 2024 | Rainbow trout | 11,878 | 3.5 in. |
| May 15, 2024 | Rainbow trout | 7,787 | 3.5 in. |
| June 1, 2023 | Rainbow trout | 998 | 9.2 in. |
| June 1, 2023 | Rainbow trout | 2,998 | 9.0 in. |
| June 1, 2023 | Brown trout | 5,238 | 2.2 in. |
| May 31, 2023 | Rainbow trout | 32,225 | 3.7 in. |
| May 13, 2022 | Brown trout | 7,050 | 2.3 in. |
| May 13, 2022 | Rainbow trout | 12,984 | 3.1 in. |
| May 13, 2022 | Rainbow trout | 504 | 11.8 in. |
| May 13, 2022 | Rainbow trout | 758 | 8.6 in. |
| May 5, 2022 | Sterile grass carp | 305 | 7.1 in. |
| April 28, 2022 | Rainbow trout | 29,991 | 2.8 in. |
| June 1, 2021 | Rainbow trout | 6,853 | 2.2 in. |
| June 1, 2021 | Rainbow trout | 10,150 | 3.0 in. |
| May 22, 2021 | Brown trout | 7,800 | 2.8 in. |
| May 22, 2021 | Rainbow trout | 8,190 | 2.8 in. |
| April 29, 2021 | Rainbow trout | 15,500 | 2.9 in. |
Fishing rules
The 2026 Utah Fishing Guidebook lists no water-specific rules for Matt Warner 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, Mountain biking, Wildlife watching
- Camping
- Primitive tent camping, RV camping
- Facilities
- Restrooms
- Boating
- Boat ramp
Facility list from DWR Fish Utah. Check with the land manager before you go; facilities close seasonally.
Email me when Matt Warner Reservoir is stocked
Email me when Matt Warner 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.
Matt Warner Reservoir questions
When is Matt Warner Reservoir stocked?
DWR does not publish stocking schedules. Past records show Matt Warner Reservoir was stocked in late April to early May (3 of the last 5 years), mid to late May (5 of the last 5 years) and early June (3 of the last 5 years). The most recent stocking in the DWR report is dated May 27, 2026.
What fish are in Matt Warner Reservoir?
DWR lists rainbow trout as likely catches and brown trout and tiger trout as possible. Since 2021 DWR has stocked rainbow trout, brown trout, sterile grass carp and tiger trout.
What are the fishing limits at Matt Warner 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.