Montana stocking report
Supenau Reservoir
8 records Last stocked: September 9, 2025
The short answer
Supenau Reservoir was last stocked on September 9, 2025: 1,500 Rainbow Trout (8.01 in avg).
Location map
Supenau Reservoir location context
Supenau ReservoirHill County Normandy Coulee PondHill County UnnamedHill County Beaver Creek ReservoirHill County Fresno ReservoirHill County
Pins use the finest location published with the stocking record. County-level pins show area context, not an exact access point; confirm access and directions with the official agency source.
Agency records
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| September 9, 2025 | Rainbow Trout | 1,500 | 8.01 in avg | Giant Springs Trout Hatchery |
| June 4, 2025 | Rainbow Trout | 1,000 | 7.03 in avg | Fort Peck Hatchery |
| June 12, 2024 | Rainbow Trout | 1,000 | 7.25 in avg | Fort Peck Hatchery |
| July 5, 2023 | Rainbow Trout | 1,000 | 6.7 in avg | Fort Peck Hatchery |
| May 26, 2022 | Rainbow Trout | 1,000 | 7.08 in avg | Fort Peck Hatchery |
| June 14, 2021 | Rainbow Trout | 2,500 | 7.08 in avg | Fort Peck Hatchery |
| May 29, 2020 | Rainbow Trout | 1,000 | 7.13 in avg | Fort Peck Hatchery |
| June 5, 2019 | Rainbow Trout | 2,000 | 7.33 in avg | Fort Peck Hatchery |
Records shown exactly as published by Montana Fish, Wildlife & Parks. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.
Data source: Montana Fish, Wildlife & Parks. Last updated: .
Alert me about Supenau Reservoir