Mirror Lake
Utah DWR logged 15 trout stocking dates at Mirror Lake in 2026 so far, 14,639 fish in all. The latest was on Oct 6, 2026. Utah DWR lists it as “Mirror L Z-3”.
Utah DWR data pulled . Latest record in the Utah DWR data for any water: Nov 4, 2026.
Mirror Lake in numbers
- fish stocked in 2026, through Nov 5
- 14,639
- by the same date in 2025
- 14,502
- in all of 2025
- 14,502
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 2019. Average length is the figure DWR gives for each batch.
| Date | Species | Fish | Avg. length |
|---|---|---|---|
| Oct 6 | Tiger trout | 735 | 11.08 in |
| Aug 31 | Rainbow trout | 750 | 11.24 in |
| Aug 24 | Rainbow trout | 750 | 11.24 in |
| Aug 12 | Rainbow trout | 750 | 10.77 in |
| Aug 3 | Rainbow trout | 752 | 10.5 in |
| Jul 27 | Rainbow trout | 750 | 10.77 in |
| Jul 21 | Tiger trout | 624 | 10.6 in |
| Jul 20 | Rainbow trout | 822 | 10.77 in |
| Jul 15 | Rainbow trout | 750 | 10.77 in |
| Jul 9 | Tiger trout | 630 | 10.07 in |
| Jul 8 | Rainbow trout | 750 | 10.98 in |
| Jun 29 | Rainbow trout | 750 | 10.5 in |
| Jun 23 | Rainbow trout | 1,503 | 9.82 in |
| Jun 20 | Brook trout | 3,485 | 3.53 in |
| Jun 8 | Rainbow trout | 430 | 10.14 in |
| Jun 8 | Rainbow trout | 408 | 10.14 in |
| Date | Species | Fish | Avg. length |
|---|---|---|---|
| Sep 2 | Rainbow trout | 900 | 12.77 in |
| Aug 20 | Tiger trout | 627 | 11.46 in |
| Aug 18 | Rainbow trout | 949 | 12.95 in |
| Aug 5 | Rainbow trout | 535 | 12.95 in |
| Aug 5 | Rainbow trout | 391 | 12.95 in |
| Jul 28 | Rainbow trout | 650 | 12.44 in |
| Jul 28 | Rainbow trout | 247 | 12.44 in |
| Jul 21 | Rainbow trout | 900 | 10.77 in |
| Jul 14 | Rainbow trout | 1,023 | 10.44 in |
| Jul 14 | Rainbow trout | 772 | 10.44 in |
| Jul 10 | Tiger trout | 626 | 11.08 in |
| Jul 9 | Brook trout | 3,551 | 3.55 in |
| Jul 7 | Rainbow trout | 900 | 10.77 in |
| Jun 23 | Rainbow trout | 902 | 10.44 in |
| Jun 23 | Tiger trout | 630 | 11.08 in |
| Jun 17 | Rainbow trout | 899 | 10.6 in |
| Year | Stocking dates | Fish |
|---|---|---|
| 2026 | 15 | 14,639 |
| 2025 | 12 | 14,502 |
| 2024 | 16 | 16,189 |
| 2023 | 13 | 14,764 |
| 2022 | 16 | 17,653 |
| 2021 | 11 | 14,703 |
| 2020 | 12 | 23,006 |
| 2019 | 12 | 16,815 |
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 |
|---|---|---|
| Rainbow trout | 73,626 | 56% |
| Tiger trout | 30,345 | 23% |
| Brook trout | 28,300 | 21% |
Map point 40.7065, -110.8836: the USGS Geographic Names Information System point for this lake (feature 1443523). It marks the water, not a parking lot or a boat launch.
Closest waters on this site
Straight-line distance between USGS map points, not driving distance.
Also in Duchesne County: Starvation Reservoir, Butterfly Lake, Pass Lake, Moosehorn Lake.
Source: DWR fish stocking report, Utah Division of Wildlife Resources. Pulled . Check the agency and the current fishing rules before you go.