MT
Big Reservoir
LakeMT
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About this water
Big Reservoir is a reservoir in Montana. State records show it stocked 5 times between 2021 and 2025. Every recorded release has been rainbow trout. 12,500 rainbow trout have gone in across 5 releases.
Stocking history
5 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| May 17, 2025 | Rainbow Trout · Arlee | 2,500 | 3.2" | Fort Peck Hatchery |
| May 15, 2024 | Rainbow Trout · Arlee | 2,500 | 2.9" | Fort Peck Hatchery |
| May 17, 2023 | Rainbow Trout · Arlee | 2,500 | 2.6" | Fort Peck Hatchery |
| May 11, 2022 | Rainbow Trout · Arlee | 2,500 | 3.3" | Fort Peck Hatchery |
| Jul 2, 2021 | Rainbow Trout · Arlee | 2,500 | 3.5" | Fort Peck Hatchery |
Stocking records for Big Reservoir published by Montana Fish, Wildlife & Parks. Stocking does not guarantee fish are present. Check current regulations and access before you go. See the full Montana stocking report.
