Rock Island Lake, Lower - stocking report
Rock Island Lake, Lower was last stocked on August 15, 1990: 400 Yellowstone Cutthroat Trout (1.7 in avg).
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| August 15, 1990 | Yellowstone Cutthroat Trout | 400 | 1.7 in avg | Yellowstone River Trout Hatchery |
| September 19, 1960 | Rainbow Trout | 5,000 | 1 in avg | Washoe Park Trout Hatchery |
| September 4, 1941 | Rainbow Trout | 30,240 | Washoe Park Trout Hatchery | |
| August 30, 1938 | Rainbow Trout | 18,000 | Washoe Park 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: .