Washington Lake — Mirror Lake Hwy
Today’s report
Washington Lake — Mirror Lake Hwy is in prime shape today. The reservoir is 74% full as of September 30 (the operator posts a month-end level, not daily), above the usual 64% for this time of year, and drawing down over the last month. The DWR last stocked Arctic grayling (8,002 fish) on October 14. This Afternoon's forecast: sunny, 54°F.
- pool is healthy (~74% of capacity as of Sep 30)
- stocked 3 days ago — fresh fish in the water
- calm, fishable weather
Current conditions
Stocking
Last stocked Oct 14, 2026 — Arctic grayling (8,002 fish).
| Date | Species | Quantity | Avg length |
|---|---|---|---|
| Oct 14, 2026 | Arctic grayling | 8,002 | 2.44" |
| Sep 22, 2026 | tiger trout (brown × brook hybrid) | 314 | 12.01" |
| Jul 15, 2026 | rainbow trout | 600 | 10.77" |
| Jul 14, 2026 | tiger trout (brown × brook hybrid) | 504 | 11.67" |
| Jun 29, 2026 | rainbow trout | 1,499 | 10.5" |
| Jun 24, 2026 | rainbow trout | 1,505 | 9.82" |
| Jun 24, 2026 | brook trout | 2,001 | 2.99" |
| Jun 8, 2026 | rainbow trout | 1,500 | 10.14" |
Best time to fish Washington Lake — Mirror Lake Hwy
The DWR has stocked Washington Lake — Mirror Lake Hwy 47 times over the last 6 seasons, and 94% of those plants landed in June through August — the freshest fish and the easiest bite usually follow within a week or two of a stocking.
Species
Location
Nearby waters (within ~25 mi):
Regulations
No water-specific rules listed for this water in the current Utah Fishing Guidebook — statewide general rules and daily limits apply (trout limit 4, combined). Verify in the current guidebook before you fish.