Matt Warner Reservoir

Matt Warner Reservoir last stocked May 27, 2026, with 55 stocking events on record since 2016.

Last stocked

May 27, 2026

Plants on record

55

Since 2016

Species recorded

4

Average size

5.1 in

Elevation

7,546 ft

Stocking history

Showing 15 of 55 plants Showing 55 plants

Source: Utah Division of Wildlife Resources.
Date Species Quantity Avg. length Source
May 27, 2026 Brown Trout 3,929 3.12 in report
June 30, 2025 Tiger Trout 2,474 4.32 in report
May 30, 2025 Rainbow Trout 33,042 2.67 in report
May 18, 2025 Grass Carp 380 6.75 in report
May 13, 2025 Rainbow Trout 1,724 3.96 in report
May 13, 2025 Brown Trout 5,747 2.96 in report
May 12, 2025 Rainbow Trout 4,099 9.28 in report
May 8, 2025 Rainbow Trout 2,904 9.16 in report
June 3, 2024 Brown Trout 5,249 2.44 in report
May 30, 2024 Rainbow Trout 3,877 9.25 in report
May 20, 2024 Rainbow Trout 10,598 3.89 in report
May 16, 2024 Grass Carp 325 10 in report
May 15, 2024 Rainbow Trout 7,787 3.49 in report
May 15, 2024 Rainbow Trout 11,878 3.52 in report
June 1, 2023 Brown Trout 5,238 2.17 in report
June 1, 2023 Rainbow Trout 2,998 8.96 in report
June 1, 2023 Rainbow Trout 998 9.16 in report
May 31, 2023 Rainbow Trout 32,225 3.7 in report
May 13, 2022 Rainbow Trout 758 8.63 in report
May 13, 2022 Rainbow Trout 504 11.75 in report
May 13, 2022 Rainbow Trout 12,984 3.12 in report
May 13, 2022 Brown Trout 7,050 2.3 in report
May 5, 2022 Grass Carp 305 7.09 in report
April 28, 2022 Rainbow Trout 29,991 2.76 in report
June 1, 2021 Rainbow Trout 10,150 2.96 in report
June 1, 2021 Rainbow Trout 6,853 2.24 in report
May 22, 2021 Rainbow Trout 8,190 2.82 in report
May 22, 2021 Brown Trout 7,800 2.82 in report
April 29, 2021 Rainbow Trout 15,500 2.92 in report
May 30, 2020 Brown Trout 9,450 2.77 in report
May 21, 2020 Rainbow Trout 3,759 8.48 in report
May 19, 2020 Rainbow Trout 275 13.15 in report
May 4, 2020 Rainbow Trout 40,016 3.12 in report
May 4, 2020 Brown Trout 8,836 2.48 in report
May 1, 2020 Rainbow Trout 9,936 3.01 in report
May 31, 2019 Rainbow Trout 49,995 2.59 in report
May 31, 2019 Brown Trout 2,030 2.7 in report
May 31, 2019 Tiger Trout 9,020 2.67 in report
May 17, 2018 Rainbow Trout 500 13.25 in report
May 11, 2018 Tiger Trout 9,460 2.96 in report
May 11, 2018 Rainbow Trout 999 8.34 in report
May 7, 2018 Rainbow Trout 14,914 8.05 in report
April 30, 2018 Rainbow Trout 25,075 3.09 in report
April 25, 2018 Rainbow Trout 25,110 3 in report
April 13, 2018 Brown Trout 4,464 3 in report
November 6, 2017 Rainbow Trout 6,165 8.51 in report
October 17, 2017 Rainbow Trout 3,815 8.06 in report
October 3, 2017 Rainbow Trout 440 11.06 in report
June 7, 2017 Tiger Trout 8,970 3.56 in report
May 10, 2017 Rainbow Trout 29,952 2.89 in report
April 28, 2017 Tiger Trout 8,944 3.11 in report
April 28, 2017 Rainbow Trout 20,090 3.12 in report
June 1, 2016 Rainbow Trout 29,970 3.03 in report
May 23, 2016 Tiger Trout 8,816 2.99 in report
May 23, 2016 Rainbow Trout 19,425 2.88 in report
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Common questions

When was Matt Warner Reservoir last stocked?
Matt Warner Reservoir was last stocked on May 27, 2026, according to the Utah Division of Wildlife Resources.
How often is Matt Warner Reservoir stocked?
Matt Warner Reservoir has been stocked 55 times since 2016 in the records we have on file.
What species are stocked at Matt Warner Reservoir?
Matt Warner Reservoir has recorded stockings of Rainbow Trout, Tiger Trout, Brown Trout, Grass Carp.

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Access and facts

Water type
reservoir
Nearest town
Vernal
Boat ramp
Yes
Facilities
camping

Sits high on Diamond Mountain, roughly 25 miles north of Vernal in Uintah County. A public boat ramp off Browns Park Road is managed by the State of Utah, and Utah DWR calls it a popular camping and fishing destination among the Diamond Mountain lakes.

Sources: water_type (accessed 2026-09-19) , access (accessed 2026-09-19) , nearest_town (accessed 2026-09-19) , facilities (accessed 2026-09-19) , shore_notes (accessed 2026-09-19)

Species stocked here

Nearest lakes