UT
Big Sandwash Reservoir
Around here
Around Big Sandwash Reservoir
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this water
Big Sandwash Reservoir is a reservoir in Utah. State records show it stocked 157 times between 2000 and 2026. The most-stocked species are rainbow trout, walleye and tiger trout, with 2 more on record. 2,485,744 rainbow trout have gone in across 138 releases.
Boat access nearby
One mapped launch sits within 2 miles of Big Sandwash Reservoir. Ramp data comes from the USGS national boat-ramp inventory.
Stocking history
157 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Oct 28, 2026 | Rainbow X Cutthroat Trout | 3,740 | 8.5" | — |
| Jul 16, 2026 | Walleye | 425 | 4.6" | — |
| May 21, 2026 | Rainbow trout | 400 | 13.1" | — |
| May 19, 2026 | Rainbow trout | 948 | 11.8" | — |
| May 19, 2026 | Rainbow trout | 948 | 11.8" | — |
| May 19, 2026 | Rainbow trout | 948 | 11.8" | — |
| May 19, 2026 | Rainbow trout | 948 | 11.8" | — |
| May 18, 2026 | Rainbow trout | 1,120 | 11.6" | — |
| May 18, 2026 | Rainbow trout | 1,120 | 11.6" | — |
| Oct 29, 2025 | Rainbow X Cutthroat Trout | 7,453 | 4.5" | — |
| Jun 1, 2025 | Rainbow trout | 4,913 | 9.6" | — |
| May 24, 2025 | Rainbow trout | 4,960 | 9.7" | — |
Showing the 12 most recent of 157. Stocking records for Big Sandwash Reservoir published by Utah Division of Wildlife Resources. Stocking does not guarantee fish are present. Check current regulations and access before you go. See the full Utah stocking report.
Made to print
Put Big Sandwash Reservoir on your wall
This water as an art print: the shoreline, the rivers that feed it and the country around it, drawn from real elevation and USGS water data. Frame it tighter or wider before you print. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.






