Montana stocking report
Sock Lake
26 records Last stocked: September 17, 2025
The short answer
Sock Lake was last stocked on September 17, 2025: 1,000 Westslope Cutthroat Trout (2.23 in avg).
Location map
Sock Lake location context
Sock LakeLewis and Clark County Willow Creek ReservoirLewis and Clark County Nilan ReservoirLewis and Clark County Wood LakeLewis and Clark County Helena Valley Regulating ReservoirLewis and Clark County
Pins use the finest location published with the stocking record. County-level pins show area context, not an exact access point; confirm access and directions with the official agency source.
Agency records
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| September 17, 2025 | Westslope Cutthroat Trout | 1,000 | 2.23 in avg | Washoe Park Trout Hatchery |
| July 27, 2023 | Westslope Cutthroat Trout | 1,000 | 1.78 in avg | Washoe Park Trout Hatchery |
| July 28, 2021 | Westslope Cutthroat Trout | 1,000 | 2 in avg | Washoe Park Trout Hatchery |
| July 30, 2019 | Westslope Cutthroat Trout | 1,000 | 1.93 in avg | Washoe Park Trout Hatchery |
| July 26, 2016 | Westslope Cutthroat Trout | 1,000 | 1.68 in avg | Washoe Park Trout Hatchery |
| July 30, 2014 | Westslope Cutthroat Trout | 1,000 | 1.6400000000000001 in avg | Washoe Park Trout Hatchery |
| August 5, 2012 | Westslope Cutthroat Trout | 1,000 | 1.81 in avg | Washoe Park Trout Hatchery |
| August 17, 2010 | Westslope Cutthroat Trout | 1,000 | 2 in avg | Washoe Park Trout Hatchery |
| July 25, 2008 | Westslope Cutthroat Trout | 1,000 | 1.28 in avg | Washoe Park Trout Hatchery |
| August 6, 2006 | Westslope Cutthroat Trout | 900 | 2 in avg | Washoe Park Trout Hatchery |
| August 8, 2001 | Yellowstone Cutthroat Trout | 1,000 | 2 in avg | Yellowstone River Trout Hatchery |
| August 3, 1999 | Yellowstone Cutthroat Trout | 1,000 | 2.1 in avg | Yellowstone River Trout Hatchery |
| August 22, 1997 | Yellowstone Cutthroat Trout | 1,000 | 2.1 in avg | Yellowstone River Trout Hatchery |
| July 23, 1995 | Yellowstone Cutthroat Trout | 1,000 | 1.9000000000000001 in avg | Yellowstone River Trout Hatchery |
| August 10, 1993 | Yellowstone Cutthroat Trout | 1,000 | 2.2 in avg | Yellowstone River Trout Hatchery |
| August 8, 1991 | Yellowstone Cutthroat Trout | 1,000 | 2 in avg | Yellowstone River Trout Hatchery |
| August 10, 1989 | Yellowstone Cutthroat Trout | 1,000 | 2 in avg | Yellowstone River Trout Hatchery |
| August 18, 1987 | Yellowstone Cutthroat Trout | 1,000 | 1.8 in avg | Yellowstone River Trout Hatchery |
| July 25, 1985 | Yellowstone Cutthroat Trout | 1,000 | 2 in avg | Big Springs Trout Hatchery |
| August 2, 1983 | Yellowstone Cutthroat Trout | 1,015 | 2 in avg | Yellowstone River Trout Hatchery |
| August 7, 1981 | Yellowstone Cutthroat Trout | 1,000 | 2 in avg | Yellowstone River Trout Hatchery |
| July 16, 1979 | Yellowstone Cutthroat Trout | 1,010 | 2 in avg | Yellowstone River Trout Hatchery |
| July 23, 1977 | Yellowstone Cutthroat Trout | 1,000 | 2 in avg | Yellowstone River Trout Hatchery |
| August 13, 1975 | Yellowstone Cutthroat Trout | 1,312 | 2 in avg | Yellowstone River Trout Hatchery |
| August 15, 1969 | Yellowstone Cutthroat Trout | 990 | 3 in avg | Yellowstone River Trout Hatchery |
| July 19, 1960 | Golden Trout | 500 | 4 in avg | Hamilton |
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: .
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