Big Sand Wash Reservoir

Big Sand Wash Reservoir

Big Sand Wash Reservoir last stocked July 16, 2026, with 59 stocking events on record since 2016.

Last stocked

July 16, 2026

Plants on record

59

Since 2016

Species recorded

5

Average size

7.6 in

Elevation

5,886 ft

Stocking history

Showing 15 of 59 plants Showing 59 plants

Source: Utah Division of Wildlife Resources.
Date Species Quantity Avg. length Source
July 16, 2026 Walleye 425 4.58 in report
May 21, 2026 Rainbow Trout 400 13.1 in report
May 19, 2026 Rainbow Trout 948 11.75 in report
May 18, 2026 Rainbow Trout 1,120 11.6 in report
October 29, 2025 Cutbow 7,453 4.55 in report
June 1, 2025 Rainbow Trout 4,913 9.6 in report
May 24, 2025 Rainbow Trout 4,960 9.69 in report
May 17, 2025 Rainbow Trout 3,169 9.54 in report
November 18, 2024 Rainbow Trout 315 4.15 in report
November 18, 2024 Rainbow Trout 3,977 4.56 in report
November 18, 2024 Rainbow Trout 1,562 4.82 in report
November 14, 2024 Rainbow Trout 2,000 9.79 in report
May 18, 2024 Rainbow Trout 1,681 9.41 in report
May 18, 2024 Rainbow Trout 4,960 9.41 in report
May 10, 2024 Rainbow Trout 2,226 9.4 in report
May 10, 2024 Rainbow Trout 5,136 9.4 in report
November 10, 2023 Rainbow Trout 1,100 10.95 in report
May 9, 2023 Rainbow Trout 3,488 11.18 in report
May 2, 2023 Rainbow Trout 3,440 10.89 in report
May 2, 2023 Rainbow Trout 3,648 10.68 in report
November 1, 2022 Rainbow Trout 1,499 11.76 in report
May 25, 2022 Rainbow Trout 306 11.71 in report
April 20, 2022 Rainbow Trout 10,148 8.59 in report
November 2, 2021 Rainbow Trout 1,563 10.11 in report
March 23, 2021 Rainbow Trout 9,900 7.89 in report
October 23, 2020 Tiger Trout 1,995 5.32 in report
June 11, 2020 Walleye 3,362 2.93 in report
May 4, 2020 Tiger Trout 1,020 10.72 in report
May 4, 2020 Rainbow Trout 5,136 10.97 in report
May 4, 2020 Rainbow Trout 3,210 10.97 in report
April 26, 2020 Rainbow Trout 3,772 10.71 in report
April 24, 2020 Rainbow Trout 1,840 10.71 in report
April 22, 2020 Rainbow Trout 1,249 10.53 in report
May 15, 2019 Tiger Trout 1,000 10.46 in report
April 23, 2019 Walleye 25,000 0.32 in report
April 12, 2019 Rainbow Trout 3,496 10.46 in report
April 11, 2019 Rainbow Trout 4,140 10.46 in report
April 11, 2019 Rainbow Trout 3,680 10.46 in report
April 9, 2019 Walleye 69,200 0.32 in report
April 6, 2019 Rainbow Trout 3,680 10.46 in report
May 18, 2018 Rainbow Trout 5,700 8.89 in report
May 16, 2018 Rainbow Trout 6,346 8.89 in report
May 15, 2018 Rainbow Trout 2,481 7.97 in report
June 28, 2017 Brown Trout 7,997 3.31 in report
May 29, 2017 Rainbow Trout 3,498 7.47 in report
May 29, 2017 Brown Trout 2,500 2.36 in report
May 29, 2017 Rainbow Trout 3,497 7 in report
May 28, 2017 Rainbow Trout 2,001 11.08 in report
May 1, 2017 Rainbow Trout 9,113 5.9 in report
May 1, 2017 Rainbow Trout 4,678 5.9 in report
April 5, 2017 Walleye 174,100 0.28 in report
May 18, 2016 Rainbow Trout 4,227 8 in report
May 17, 2016 Rainbow Trout 4,720 7.93 in report
April 20, 2016 Walleye 1,517,696 0.28 in report
April 15, 2016 Walleye 1,247,927 0.28 in report
April 14, 2016 Walleye 2,428,970 0.28 in report
April 13, 2016 Walleye 406,403 0.28 in report
April 1, 2016 Walleye 500,986 0.28 in report
March 22, 2016 Rainbow Trout 5,450 5.89 in report
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Common questions

When was Big Sand Wash Reservoir last stocked?
Big Sand Wash Reservoir was last stocked on July 16, 2026, according to the Utah Division of Wildlife Resources.
How often is Big Sand Wash Reservoir stocked?
Big Sand Wash Reservoir has been stocked 59 times since 2016 in the records we have on file.
What species are stocked at Big Sand Wash Reservoir?
Big Sand Wash Reservoir has recorded stockings of Rainbow Trout, Walleye, Brown Trout, Tiger Trout, Cutbow.

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Access and facts

Water type
reservoir
Nearest town
Altonah
Shore access
Yes
Boat ramp
Yes
Facilities
restrooms, dock

Paved boat ramp on the reservoir's main launch has a movable steel courtesy dock (added 2016) that follows the water level, plus two vault-toilet angler access points on the east side. No overnight camping allowed. Near Altonah in Duchesne County.

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

Species stocked here

Nearest lakes