Montana stocking report
Olson Reservoir
6 records Last stocked: June 24, 1970
The short answer
Olson Reservoir was last stocked on June 24, 1970: 1,050 Rainbow Trout (5 in avg).
Location map
Olson Reservoir location context
Olson ReservoirChouteau County Briggs PondChouteau County Eightmile SpringsChouteau County Leningtons ReservoirChouteau County Gasvoda ReservoirChouteau 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 |
|---|---|---|---|---|
| June 24, 1970 | Rainbow Trout | 1,050 | 5 in avg | Big Springs Trout Hatchery |
| May 27, 1970 | Rainbow Trout | 3,750 | 3 in avg | Giant Springs Trout Hatchery |
| June 10, 1969 | Rainbow Trout | 2,100 | 4 in avg | Big Springs Trout Hatchery |
| May 27, 1969 | Rainbow Trout | 3,640 | 3 in avg | Giant Springs Trout Hatchery |
| April 22, 1968 | Rainbow Trout | 3,599 | 3 in avg | Giant Springs Trout Hatchery |
| September 14, 1966 | Rainbow Trout | 5,365 | 7 in avg | Giant Springs Trout 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: .
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