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About this water
Nelson Reservoir is a reservoir in Montana. State records show it stocked 15 times between 2000 and 2025. The most-stocked species are rainbow trout and walleye. 29,260 rainbow trout have gone in across 14 releases.
Stocking history
15 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| May 7, 2025 | Rainbow Trout · Arlee X Erwin - Ennis | 250 | 6.8" | Fort Peck Hatchery |
| Jul 18, 2024 | Rainbow Trout · Arlee X Erwin - Ennis | 250 | 7.2" | Fort Peck Hatchery |
| Jun 19, 2023 | Rainbow Trout · Arlee X Erwin - Ennis | 250 | 6.7" | Fort Peck Hatchery |
| May 23, 2022 | Rainbow Trout · Arlee X Erwin - Ennis | 250 | 7.1" | Fort Peck Hatchery |
| May 14, 2021 | Rainbow Trout · Arlee X Erwin - Ennis | 250 | 6.8" | Fort Peck Hatchery |
| May 6, 2020 | Rainbow Trout · Arlee X Erwin - Ennis | 262 | 6.6" | Fort Peck Hatchery |
| May 29, 2019 | Rainbow Trout · Arlee X Erwin - Ennis | 250 | 7.3" | Fort Peck Hatchery |
| Jun 18, 2018 | Rainbow Trout · Arlee X Erwin - Ennis | 276 | 6.0" | Fort Peck Hatchery |
| Jun 19, 2006 | Walleye · Fort Peck | 201,197 | 1.4" | Fort Peck Hatchery |
| Apr 27, 2006 | Rainbow Trout · Arlee | 4,769 | 3.2" | Big Springs Trout Hatchery |
| Apr 15, 2005 | Rainbow Trout · Arlee | 4,454 | 2.8" | Big Springs Trout Hatchery |
| Jun 16, 2004 | Rainbow Trout · Eagle Lake | 4,500 | 2.8" | Giant Springs Trout Hatchery |
Showing the 12 most recent of 15. Stocking records for Nelson 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.
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