Rainbow Lake (Rainbow L Z-25)
Utah DWR logged 1 trout stocking date at Rainbow Lake (Rainbow L Z-25) in 2026 so far, 1,000 fish in all. The latest was on Jul 24, 2026. Utah DWR lists it as “Rainbow L Z-25”.
Utah DWR data pulled . Latest record in the Utah DWR data for any water: Nov 4, 2026.

Rainbow Lake (Rainbow L Z-25) in numbers
- fish stocked in 2026, through Nov 6
- 1,000
- by the same date in 2025
- 0
- in all of 2025
- 0
Every stocking record
Counts include small fish (fingerlings) as well as catchable trout; the average length tells them apart. Every trout release Utah DWR lists for this water in the last two years, newest first, then yearly totals since 2021. Average length is the figure DWR gives for each batch.
| Date | Species | Fish | Avg. length |
|---|---|---|---|
| Jul 24 | Brook trout1,000 fish | 1,000 | 3.03 in |
| Date | Species | Fish | Avg. length |
|---|---|---|---|
| Jun 30 | Brook trout1,403 fish | 1,403 | 2.79 in |
| Year | Stocking dates | Fish |
|---|---|---|
| 2026 | 1 | 1,000 |
| 2021 | 1 | 1,403 |
Trout stocked each year
2026 is outlined because the year is not over. The tallest full year is yellow.
What is stocked here
| Species | Fish | Share |
|---|---|---|
| Brook trout | 2,403 | 100% |
No single map point is given for this water in the USGS names database, so no map is shown.
Also in Duchesne County: Starvation Reservoir, Butterfly Lake, Mirror Lake, Pass Lake, Moosehorn Lake, Big Sandwash Reservoir, Moon Lake, Rock Creek.
Source: DWR fish stocking report, Utah Division of Wildlife Resources. Pulled . Check the agency and the current fishing rules before you go.