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About this water
Coopers Lake is a 200 acre lake in Powell County, Montana. State records show it stocked 26 times between 2000 and 2025. Every recorded release has been westslope cutthroat trout. 102,176 westslope cutthroat trout have gone in across 26 releases.
Stocking history
26 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Oct 1, 2025 | Westslope Cutthroat Trout · Anaconda | 4,000 | 5.7" | Washoe Park Trout Hatchery |
| Oct 2, 2024 | Westslope Cutthroat Trout · Anaconda | 3,600 | 5.2" | Washoe Park Trout Hatchery |
| Jun 13, 2023 | Westslope Cutthroat Trout · Anaconda | 4,000 | 5.5" | Washoe Park Trout Hatchery |
| Jun 2, 2022 | Westslope Cutthroat Trout · Anaconda | 4,000 | 5.5" | Washoe Park Trout Hatchery |
| May 5, 2021 | Westslope Cutthroat Trout · Anaconda | 5,226 | 5.0" | Washoe Park Trout Hatchery |
| May 22, 2020 | Westslope Cutthroat Trout · Anaconda | 4,000 | 4.7" | Washoe Park Trout Hatchery |
| Jun 26, 2019 | Westslope Cutthroat Trout · Anaconda | 4,000 | 5.6" | Washoe Park Trout Hatchery |
| Jun 4, 2018 | Westslope Cutthroat Trout · Anaconda | 4,000 | 4.8" | Washoe Park Trout Hatchery |
| Jun 8, 2017 | Westslope Cutthroat Trout · Anaconda | 4,000 | 5.2" | Washoe Park Trout Hatchery |
| Jun 2, 2016 | Westslope Cutthroat Trout · Anaconda | 4,000 | 4.9" | Washoe Park Trout Hatchery |
| Jun 9, 2015 | Westslope Cutthroat Trout · Anaconda | 4,000 | 4.3" | Washoe Park Trout Hatchery |
| Jun 16, 2014 | Westslope Cutthroat Trout · Anaconda | 4,000 | 4.6" | Washoe Park Trout Hatchery |
Showing the 12 most recent of 26. Stocking records for Coopers Lake 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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