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About this water
Eightmile Springs is a 12 acre reservoir in Chouteau County, Montana. State records show it stocked 33 times between 2000 and 2026. The most-stocked species are rainbow trout, largemouth bass and brook trout. 28,063 rainbow trout have gone in across 19 releases.
Stocking history
33 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| May 13, 2026 | Rainbow Trout · Arlee X Erwin - Ennis | 1,000 | 7.6" | Giant Springs Trout Hatchery |
| Aug 12, 2025 | Largemouth Bass · Miles City | 1,500 | 1.9" | Miles City Fish Hatchery |
| May 28, 2025 | Rainbow Trout · Arlee X Erwin - Ennis | 1,500 | 7.6" | Giant Springs Trout Hatchery |
| Aug 13, 2024 | Largemouth Bass · Miles City | 1,500 | 1.4" | Miles City Fish Hatchery |
| May 28, 2024 | Rainbow Trout · Arlee | 1,500 | 4.7" | Giant Springs Trout Hatchery |
| Jul 27, 2023 | Largemouth Bass · Miles City | 1,500 | 1.8" | Miles City Fish Hatchery |
| May 26, 2023 | Rainbow Trout · Arlee X Erwin - Ennis | 1,500 | 7.0" | Giant Springs Trout Hatchery |
| May 16, 2022 | Rainbow Trout · Arlee X Erwin - Ennis | 1,500 | 7.3" | Giant Springs Trout Hatchery |
| Jul 22, 2021 | Largemouth Bass · Miles City | 1,500 | 1.9" | Miles City Fish Hatchery |
| May 18, 2021 | Rainbow Trout · Arlee X Erwin - Ennis | 1,500 | 7.4" | Giant Springs Trout Hatchery |
| Jul 15, 2020 | Largemouth Bass · Miles City | 1,500 | 0.8" | Miles City Fish Hatchery |
| May 27, 2020 | Rainbow Trout · Arlee X Erwin - Ennis | 1,500 | 7.5" | Giant Springs Trout Hatchery |
Showing the 12 most recent of 33. Stocking records for Eightmile Springs 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.
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