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 55 stocked waters in Uintah County.
Recent stockings at Matt Warner Reservoir
- May 27, 20263,929 brown trout, 3.1 in. average
- June 30, 20252,474 tiger trout, 4.3 in. average
- May 30, 202533,042 rainbow trout, 2.7 in. average
- May 18, 2025380 sterile grass carp, 6.8 in. average
- May 13, 20255,747 brown trout and 1,724 rainbow trout, 3.2 in. average
- May 12, 20254,099 rainbow trout, 9.3 in. average
Newest first, from the Utah DWR stocking report. Full stocking history.
Matt Warner Reservoir facts
- Last stocked
- May 27, 2026 (167 days ago): 3,929 brown trout
- Stockings in 2026
- 1 (3,929 fish): 3,929 brown trout
- County
- Uintah County
- Size
- 333
- Stocked since 2021
- rainbow trout, brown trout, sterile grass carp and tiger trout
- Likely catch (DWR)
- rainbow trout
- Average size stocked
- 3.5 in. (2021 to 2026)
- County rank
- 2nd most fish of 55 stocked waters in Uintah County since 2021
- Name in DWR report
- MATT WARNER RES
- Nearest water
- Calder Reservoir, 5.6 mi
- Rules
- Statewide rules (no water-specific entry in the 2026 guidebook)
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 Nov. 10, 2026; newest record dated Nov. 19, 2026. DWR posts stockings after they happen and does not publish schedules.
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 55 stocked waters in Uintah County and 25th of 1,076 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.
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. This is past stocking, not a promise. How we read patterns.
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 Nov. 10, 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
No water-specific entry for Matt Warner Reservoir 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.
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.
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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.
Stocking: Utah DWR fish stocking report, fetched Nov. 10, 2026. Size, program, species and facilities: DWR Fish Utah. 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.