About this water
Gasvoda Reservoir is a reservoir in Montana. State records show it stocked 19 times between 2014 and 2025. The most-stocked species are rainbow trout and largemouth bass. 16,750 rainbow trout have gone in across 13 releases.
Stocking history
19 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Aug 12, 2025 | Largemouth Bass · Miles City | 500 | 1.9" | Miles City Fish Hatchery |
| Jun 27, 2025 | Rainbow Trout · Arlee | 1,500 | 6.0" | Giant Springs Trout Hatchery |
| Jun 11, 2024 | Rainbow Trout · Arlee | 1,500 | 5.8" | Giant Springs Trout Hatchery |
| Jul 27, 2023 | Largemouth Bass · Miles City | 500 | 1.8" | Miles City Fish Hatchery |
| Jun 21, 2023 | Rainbow Trout · Arlee | 1,500 | 5.7" | Giant Springs Trout Hatchery |
| Jun 9, 2022 | Rainbow Trout · Arlee | 1,500 | 5.7" | Giant Springs Trout Hatchery |
| Jul 22, 2021 | Largemouth Bass · Miles City | 500 | 1.9" | Miles City Fish Hatchery |
| Jun 3, 2021 | Rainbow Trout · Arlee | 1,500 | 5.0" | Giant Springs Trout Hatchery |
| Jun 3, 2020 | Rainbow Trout · Arlee | 1,500 | 3.5" | Giant Springs Trout Hatchery |
| Jul 27, 2019 | Largemouth Bass · Miles City | 500 | 1.6" | Miles City Fish Hatchery |
| Jun 5, 2019 | Rainbow Trout · Arlee | 1,500 | 5.2" | Giant Springs Trout Hatchery |
| Jun 8, 2018 | Rainbow Trout · Arlee | 1,500 | 5.3" | Giant Springs Trout Hatchery |
Showing the 12 most recent of 19. Stocking records for Gasvoda 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.


