Montana stocking report
Sylvia Lake
66 records Last stocked: August 8, 2025
The short answer
Sylvia Lake was last stocked on August 8, 2025: 2,000 Westslope Cutthroat Trout (1.5 in avg).
Location map
Sylvia Lake location context
Sylvia 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 Sylvia Lake? Also on record: Sylvia Lake (St Lawrence County, New York) · Sylvia Lake (Grays Harbor County, Washington) · Sylvia Lake (King County, Washington)
Agency records
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| August 8, 2025 | Westslope Cutthroat Trout | 2,000 | 1.5 in avg | Sekokini Springs Hatchery |
| September 4, 2024 | Westslope Cutthroat Trout | 2,000 | 1.48 in avg | Flathead Lake Salmon Hatchery |
| June 22, 2023 | Arctic Grayling | 11,400 | 1 in avg | Flathead Lake Salmon Hatchery |
| July 13, 2022 | Arctic Grayling | 10,010 | 1.54 in avg | Flathead Lake Salmon Hatchery |
| July 13, 2022 | Westslope Cutthroat Trout | 1,998 | 1.23 in avg | Flathead Lake Salmon Hatchery |
| September 1, 2021 | Westslope Cutthroat Trout | 2,000 | 2 in avg | Flathead Lake Salmon Hatchery |
| June 3, 2021 | Arctic Grayling | 10,000 | 0.9500000000000001 in avg | Flathead Lake Salmon Hatchery |
| August 5, 2019 | Westslope Cutthroat Trout | 1,500 | 1.21 in avg | Flathead Lake Salmon Hatchery |
| June 3, 2019 | Arctic Grayling | 10,000 | 0.25 in avg | Flathead Lake Salmon Hatchery |
| August 2, 2018 | Westslope Cutthroat Trout | 2,000 | 1.5 in avg | Flathead Lake Salmon Hatchery |
| August 30, 2017 | Westslope Cutthroat Trout | 1,998 | 1.62 in avg | Flathead Lake Salmon Hatchery |
| August 30, 2017 | Westslope Cutthroat Trout | 2,100 | 2 in avg | Flathead Lake Salmon Hatchery |
| June 30, 2016 | Arctic Grayling | 10,000 | 1.12 in avg | Flathead Lake Salmon Hatchery |
| August 27, 2015 | Westslope Cutthroat Trout | 1,829 | 1.6500000000000001 in avg | Murray Springs Trout Hatchery |
| June 22, 2015 | Arctic Grayling | 10,150 | 1.1 in avg | Flathead Lake Salmon Hatchery |
| September 5, 2014 | Westslope Cutthroat Trout | 2,100 | 1.52 in avg | Murray Springs Trout Hatchery |
| August 5, 2013 | Westslope Cutthroat Trout | 1,319 | 1.1 in avg | |
| June 19, 2013 | Arctic Grayling | 10,000 | 1 in avg | Flathead Lake Salmon Hatchery |
| August 30, 2012 | Westslope Cutthroat Trout | 2,003 | 1.48 in avg | Murray Springs Trout Hatchery |
| June 6, 2012 | Arctic Grayling | 10,000 | 1 in avg | Flathead Lake Salmon Hatchery |
| August 11, 2011 | Westslope Cutthroat Trout | 2,125 | 1.43 in avg | Murray Springs Trout Hatchery |
| June 1, 2011 | Arctic Grayling | 25,000 | 1 in avg | Flathead Lake Salmon Hatchery |
| June 22, 2010 | Westslope Cutthroat Trout | 2,208 | 4.92 in avg | Murray Springs Trout Hatchery |
| May 25, 2010 | Arctic Grayling | 10,000 | 0.5 in avg | Flathead Lake Salmon Hatchery |
| June 16, 2009 | Westslope Cutthroat Trout | 2,001 | 3.88 in avg | Murray Springs Trout Hatchery |
| June 9, 2009 | Arctic Grayling | 11,000 | 1 in avg | Flathead Lake Salmon Hatchery |
| September 18, 2008 | Westslope Cutthroat Trout | 2,016 | 2.07 in avg | Murray Springs Trout Hatchery |
| July 18, 2008 | Arctic Grayling | 9,000 | 0.5 in avg | Flathead Lake Salmon Hatchery |
| October 2, 2007 | Westslope Cutthroat Trout | 1,008 | 2.2800000000000002 in avg | Murray Springs Trout Hatchery |
| June 26, 2007 | Westslope Cutthroat Trout | 578 | 5.0200000000000005 in avg | Murray Springs Trout Hatchery |
| August 10, 2006 | Westslope Cutthroat Trout | 2,019 | 4.8 in avg | Murray Springs Trout Hatchery |
| June 2, 2006 | Arctic Grayling | 10,244 | 0.6 in avg | Flathead Lake Salmon Hatchery |
| June 27, 2005 | Arctic Grayling | 11,200 | 0.5 in avg | Flathead Lake Salmon Hatchery |
| June 16, 2005 | Westslope Cutthroat Trout | 2,058 | 3.65 in avg | Murray Springs Trout Hatchery |
| August 13, 2004 | Arctic Grayling | 10,900 | 0.8 in avg | Flathead Lake Salmon Hatchery |
| July 13, 2004 | Westslope Cutthroat Trout | 2,080 | 1.3 in avg | Murray Springs Trout Hatchery |
| September 5, 2003 | Westslope Cutthroat Trout | 2,280 | 1.84 in avg | Murray Springs Trout Hatchery |
| July 16, 2003 | Arctic Grayling | 11,200 | 0.5 in avg | Flathead Lake Salmon Hatchery |
| July 19, 2002 | Arctic Grayling | 11,900 | 0.5 in avg | Flathead Lake Salmon Hatchery |
| July 19, 2002 | Westslope Cutthroat Trout | 2,100 | 0.8 in avg | Flathead Lake Salmon Hatchery |
| June 25, 2001 | Arctic Grayling | 9,800 | 0.8 in avg | Flathead Lake Salmon Hatchery |
| September 14, 2000 | Westslope Cutthroat Trout | 2,024 | 5.1000000000000005 in avg | Murray Springs Trout Hatchery |
| September 6, 2000 | Arctic Grayling | 19,200 | 0.7000000000000001 in avg | Flathead Lake Salmon Hatchery |
| August 17, 1999 | Westslope Cutthroat Trout | 2,000 | 1.5 in avg | Murray Springs Trout Hatchery |
| July 22, 1998 | Westslope Cutthroat Trout | 2,188 | 1.1 in avg | Murray Springs Trout Hatchery |
| August 22, 1997 | Westslope Cutthroat Trout | 2,083 | 1.8 in avg | Washoe Park Trout Hatchery |
| July 22, 1997 | Westslope Cutthroat Trout | 2,095 | 1.1 in avg | Flathead Lake Salmon Hatchery |
| June 9, 1997 | Arctic Grayling | 21,645 | 0.2 in avg | Flathead Lake Salmon Hatchery |
| July 27, 1995 | Arctic Grayling | 21,500 | 0.7000000000000001 in avg | Flathead Lake Salmon Hatchery |
| June 29, 1993 | Arctic Grayling | 20,000 | 0.6 in avg | Flathead Lake Salmon Hatchery |
| July 13, 1992 | Arctic Grayling | 20,000 | 0.7000000000000001 in avg | Flathead Lake Salmon Hatchery |
| August 27, 1991 | Arctic Grayling | 20,000 | 1 in avg | Flathead Lake Salmon Hatchery |
| June 10, 1987 | Arctic Grayling | 20,000 | 0.6 in avg | Flathead Lake Salmon Hatchery |
| June 12, 1984 | Arctic Grayling | 20,000 | 1 in avg | Flathead Lake Salmon Hatchery |
| June 17, 1981 | Arctic Grayling | 20,000 | 1 in avg | Flathead Lake Salmon Hatchery |
| June 27, 1979 | Arctic Grayling | 31,000 | 1 in avg | Flathead Lake Salmon Hatchery |
| June 9, 1965 | Arctic Grayling | 30,000 | Flathead Lake Salmon Hatchery | |
| June 5, 1961 | Arctic Grayling | 50,000 | Flathead Lake Salmon Hatchery | |
| June 7, 1960 | Arctic Grayling | 45,000 | 1 in avg | Flathead Lake Salmon Hatchery |
| June 18, 1957 | Arctic Grayling | 30,962 | Flathead Lake Salmon Hatchery | |
| June 13, 1956 | Arctic Grayling | 30,000 | Flathead Lake Salmon Hatchery | |
| June 28, 1955 | Arctic Grayling | 60,000 | Flathead Lake Salmon Hatchery | |
| August 26, 1953 | Cutthroat Trout | 5,504 | 1 in avg | Flathead Lake Salmon Hatchery |
| August 12, 1952 | Cutthroat Trout | 2,500 | 2 in avg | Flathead Lake Salmon Hatchery |
| July 21, 1949 | Cutthroat Trout | 20,000 | 2 in avg | Flathead Lake Salmon Hatchery |
| July 8, 1929 | Rainbow Trout | 16,000 | 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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