Millsite Reservoir
Today’s report
Millsite Reservoir is a fair bet today. The reservoir is 35% full as of September 30 (the operator posts a month-end level, not daily), well below the usual 51% for this time of year, and rising over the last month. The DWR last stocked splake (lake × brook trout hybrid) (5,004 fish) on July 21. Today's forecast: sunny, 79°F, 1% chance of precip.
- pool is low (~35% of capacity as of Sep 30)
- calm, fishable weather
Current conditions
Stocking
Last stocked Jul 21, 2026 — splake (lake × brook trout hybrid) (5,004 fish).
| Date | Species | Quantity | Avg length |
|---|---|---|---|
| Jul 21, 2026 | splake (lake × brook trout hybrid) | 5,004 | 2.71" |
| May 12, 2026 | tiger trout (brown × brook hybrid) | 4,950 | 2.96" |
| Mar 24, 2026 | rainbow trout | 3,900 | 9.95" |
| Mar 24, 2026 | rainbow trout | 3,000 | 9.95" |
| Oct 27, 2025 | cutthroat trout | 3,990 | 2.32" |
| Jul 23, 2025 | splake (lake × brook trout hybrid) | 10,031 | 3.55" |
| Mar 13, 2025 | rainbow trout | 2,563 | 10.31" |
| Mar 6, 2025 | rainbow trout | 3,443 | 10.43" |
Best time to fish Millsite Reservoir
The DWR has stocked Millsite Reservoir 28 times over the last 4 seasons, and 64% of those plants landed in March, April, July — 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.