Montana stocking report
Halfmoon Lake
69 records Last stocked: May 8, 2026
The short answer
Halfmoon Lake was last stocked on May 8, 2026: 4,435 Brook Trout (3.64 in avg).
Location map
Halfmoon Lake location context
Halfmoon LakeFlathead County Beaver LakeFlathead County Little Beaver LakeFlathead County Snappys PondFlathead County Dollar LakeFlathead 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.
Looking for a different Halfmoon Lake? Also on record: Halfmoon Lake (Washtenaw County, Michigan) · Halfmoon Lake (Adams County, Washington) · Halfmoon Lake (Pend Oreille County, Washington)
Agency records
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| May 8, 2026 | Brook Trout | 4,435 | 3.64 in avg | Giant Springs Trout Hatchery |
| April 27, 2025 | Brook Trout | 4,000 | 2.96 in avg | Giant Springs Trout Hatchery |
| May 25, 2022 | Brook Trout | 4,000 | 2.23 in avg | Flathead Lake Salmon Hatchery |
| May 19, 2021 | Brook Trout | 3,600 | 2.75 in avg | Flathead Lake Salmon Hatchery |
| July 13, 2020 | Brook Trout | 3,950 | 3 in avg | Flathead Lake Salmon Hatchery |
| May 20, 2019 | Brook Trout | 3,500 | 2.5 in avg | Flathead Lake Salmon Hatchery |
| June 28, 2018 | Brook Trout | 5,000 | 5 in avg | Flathead Lake Salmon Hatchery |
| May 1, 2017 | Brook Trout | 5,000 | 2.43 in avg | Flathead Lake Salmon Hatchery |
| May 12, 2016 | Brook Trout | 5,500 | 1.97 in avg | Flathead Lake Salmon Hatchery |
| May 26, 2015 | Brook Trout | 5,005 | 2 in avg | Flathead Lake Salmon Hatchery |
| July 27, 2011 | Largemouth Bass | 5,500 | 1.5 in avg | Miles City Fish Hatchery |
| July 27, 2010 | Largemouth Bass | 5,500 | 1.26 in avg | Miles City Fish Hatchery |
| August 6, 2008 | Largemouth Bass | 5,500 | 1.4000000000000001 in avg | Miles City Fish Hatchery |
| July 24, 2007 | Largemouth Bass | 2,275 | 1.6 in avg | Miles City Fish Hatchery |
| July 18, 2006 | Largemouth Bass | 3,465 | 1.7 in avg | Miles City Fish Hatchery |
| August 17, 2004 | Largemouth Bass | 5,500 | 1.3 in avg | Miles City Fish Hatchery |
| August 16, 1995 | Arctic Grayling | 23,070 | 0.8 in avg | Flathead Lake Salmon Hatchery |
| June 17, 1993 | Brook Trout | 10,580 | 3.6 in avg | Murray Springs Trout Hatchery |
| June 11, 1987 | Brook Trout | 5,000 | 3 in avg | Flathead Lake Salmon Hatchery |
| June 11, 1987 | Brook Trout | 5,000 | 2.9 in avg | Creston National Fish Hatchery |
| May 20, 1986 | Brook Trout | 5,000 | 2 in avg | Flathead Lake Salmon Hatchery |
| June 16, 1982 | Brook Trout | 14,976 | 3 in avg | Creston National Fish Hatchery |
| July 20, 1976 | Largemouth Bass | 4,900 | 1 in avg | Miles City - Federal |
| June 15, 1976 | Largemouth Bass | 70 | 7 in avg | Wild |
| June 24, 1975 | Largemouth Bass | 100 | 8 in avg | Wild |
| May 10, 1974 | Largemouth Bass | 16 | 10 in avg | Wild |
| May 17, 1973 | Westslope Cutthroat Trout | 6,014 | 3 in avg | Washoe Park Trout Hatchery |
| April 13, 1972 | Westslope Cutthroat Trout | 6,006 | 4 in avg | Flathead Lake Salmon Hatchery |
| May 17, 1971 | Cutthroat Trout | 6,000 | 5 in avg | Flathead Lake Salmon Hatchery |
| May 1, 1970 | Cutthroat Trout | 3,267 | 5 in avg | Flathead Lake Salmon Hatchery |
| April 30, 1970 | Cutthroat Trout | 3,267 | 5 in avg | Flathead Lake Salmon Hatchery |
| October 13, 1969 | Cutthroat Trout | 6,093 | 7 in avg | Creston National Fish Hatchery |
| July 18, 1968 | Cutthroat Trout | 21,120 | 1 in avg | Libby |
| July 16, 1968 | Cutthroat Trout | 760 | 14 in avg | Creston National Fish Hatchery |
| September 19, 1967 | Cutthroat Trout | 5,310 | 2 in avg | Flathead Lake Salmon Hatchery |
| September 6, 1966 | Cutthroat Trout | 3,040 | 6 in avg | Creston National Fish Hatchery |
| June 16, 1966 | Arctic Grayling | 60,000 | Flathead Lake Salmon Hatchery | |
| May 19, 1965 | Arctic Grayling | 777 | 14 in avg | Flathead Lake Salmon Hatchery |
| May 14, 1965 | Arctic Grayling | 401 | 14 in avg | Flathead Lake Salmon Hatchery |
| September 30, 1964 | Cutthroat Trout | 5,000 | 3 in avg | Flathead Lake Salmon Hatchery |
| May 28, 1964 | Arctic Grayling | 658 | 9 in avg | Flathead Lake Salmon Hatchery |
| May 27, 1964 | Arctic Grayling | 768 | 9 in avg | Flathead Lake Salmon Hatchery |
| September 17, 1963 | Cutthroat Trout | 7,322 | 6 in avg | Creston National Fish Hatchery |
| May 8, 1963 | Cutthroat Trout | 2,922 | 6 in avg | Flathead Lake Salmon Hatchery |
| April 18, 1963 | Cutthroat Trout | 2,862 | 6 in avg | Flathead Lake Salmon Hatchery |
| September 19, 1962 | Cutthroat Trout | 15,226 | 3 in avg | Flathead Lake Salmon Hatchery |
| May 14, 1962 | Arctic Grayling | 1,544 | 12 in avg | Flathead Lake Salmon Hatchery |
| September 5, 1961 | Cutthroat Trout | 12,384 | 2 in avg | Flathead Lake Salmon Hatchery |
| September 5, 1961 | Cutthroat Trout | 8,960 | 3 in avg | Flathead Lake Salmon Hatchery |
| June 8, 1961 | Arctic Grayling | 150 | Flathead Lake Salmon Hatchery | |
| June 2, 1961 | Arctic Grayling | 72,000 | Flathead Lake Salmon Hatchery | |
| May 25, 1961 | Arctic Grayling | 704 | Flathead Lake Salmon Hatchery | |
| October 14, 1960 | Cutthroat Trout | 12,000 | 3 in avg | Flathead Lake Salmon Hatchery |
| October 11, 1960 | Cutthroat Trout | 12,480 | 3 in avg | Flathead Lake Salmon Hatchery |
| July 13, 1959 | Rainbow Trout | 4,032 | Creston National Fish Hatchery | |
| May 26, 1958 | Rainbow Trout | 4,018 | Creston National Fish Hatchery | |
| May 26, 1958 | Rainbow Trout | 4,018 | Creston National Fish Hatchery | |
| May 23, 1957 | Rainbow Trout | 2,304 | Creston National Fish Hatchery | |
| May 2, 1957 | Rainbow Trout | 8,010 | 5 in avg | Creston National Fish Hatchery |
| July 17, 1956 | Rainbow Trout | 4,004 | Creston National Fish Hatchery | |
| July 17, 1956 | Rainbow Trout | 4,004 | Creston National Fish Hatchery | |
| May 17, 1952 | Rainbow Trout | 500 | 6 in avg | Creston National Fish Hatchery |
| May 17, 1951 | Rainbow Trout | 736 | 6 in avg | Creston National Fish Hatchery |
| May 4, 1951 | Brook Trout | 648 | 8 in avg | Creston National Fish Hatchery |
| May 4, 1950 | Rainbow Trout | 1,170 | 7 in avg | Creston National Fish Hatchery |
| October 30, 1939 | Largemouth Bass | 9,000 | 3 in avg | Flathead Lake Salmon Hatchery |
| September 27, 1937 | Largemouth Bass | 10,000 | 2 in avg | Flathead Lake Salmon Hatchery |
| August 29, 1936 | Largemouth Bass | 8,000 | 2 in avg | Flathead Lake Salmon Hatchery |
| August 13, 1934 | Largemouth Bass | 1,000 | 2 in avg | Flathead Lake Salmon Hatchery |
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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