Montana stocking report
Hatfield Reservoir
55 records Last stocked: June 9, 2025
The short answer
Hatfield Reservoir was last stocked on June 9, 2025: 1,000 Rainbow Trout (7.03 in avg).
Location map
Hatfield Reservoir location context
Hatfield ReservoirDaniels County Whitetail ReservoirDaniels County Carney PondDaniels County Killenbeck ReservoirDaniels County Danelson ReservoirDaniels 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 |
|---|---|---|---|---|
| June 9, 2025 | Rainbow Trout | 1,000 | 7.03 in avg | Fort Peck Hatchery |
| May 15, 2024 | Rainbow Trout | 3,000 | 2.92 in avg | Fort Peck Hatchery |
| May 17, 2023 | Rainbow Trout | 3,000 | 2.63 in avg | Fort Peck Hatchery |
| May 11, 2022 | Rainbow Trout | 3,000 | 3.25 in avg | Fort Peck Hatchery |
| May 20, 2020 | Rainbow Trout | 3,113 | 3.23 in avg | Fort Peck Hatchery |
| May 14, 2019 | Rainbow Trout | 3,000 | 2.65 in avg | Fort Peck Hatchery |
| May 4, 2018 | Rainbow Trout | 3,000 | 2.38 in avg | Fort Peck Hatchery |
| April 14, 2017 | Rainbow Trout | 3,000 | 2.02 in avg | Fort Peck Hatchery |
| April 8, 2016 | Rainbow Trout | 3,000 | 2.09 in avg | Fort Peck Hatchery |
| April 17, 2015 | Rainbow Trout | 3,000 | 2.04 in avg | Fort Peck Hatchery |
| April 17, 2014 | Rainbow Trout | 3,000 | 2.1 in avg | Fort Peck Hatchery |
| June 13, 2013 | Rainbow Trout | 2,994 | 3.0500000000000003 in avg | Fort Peck Hatchery |
| May 9, 2012 | Rainbow Trout | 3,000 | 2.71 in avg | Fort Peck Hatchery |
| June 2, 2011 | Rainbow Trout | 3,000 | 3.36 in avg | Fort Peck Hatchery |
| May 19, 2010 | Rainbow Trout | 3,000 | 3.59 in avg | Fort Peck Hatchery |
| April 22, 2009 | Rainbow Trout | 3,010 | 3 in avg | Big Springs Trout Hatchery |
| April 23, 2008 | Rainbow Trout | 3,002 | 3.35 in avg | Big Springs Trout Hatchery |
| April 17, 2007 | Rainbow Trout | 2,995 | 3.0700000000000003 in avg | Big Springs Trout Hatchery |
| April 27, 2006 | Rainbow Trout | 3,255 | 3.21 in avg | Big Springs Trout Hatchery |
| April 25, 2005 | Rainbow Trout | 3,000 | 3.22 in avg | Big Springs Trout Hatchery |
| April 26, 2004 | Rainbow Trout | 2,975 | 3.14 in avg | Big Springs Trout Hatchery |
| April 28, 2003 | Rainbow Trout | 3,038 | 3.18 in avg | Big Springs Trout Hatchery |
| May 1, 2002 | Rainbow Trout | 2,985 | 3.4 in avg | Big Springs Trout Hatchery |
| April 26, 2001 | Rainbow Trout | 3,003 | 3 in avg | Big Springs Trout Hatchery |
| April 21, 2000 | Rainbow Trout | 3,023 | 3.3000000000000003 in avg | Big Springs Trout Hatchery |
| April 26, 1999 | Rainbow Trout | 3,016 | 3.6 in avg | Big Springs Trout Hatchery |
| April 28, 1998 | Rainbow Trout | 2,118 | 3.9 in avg | Big Springs Trout Hatchery |
| April 28, 1998 | Rainbow Trout | 883 | 2.9 in avg | Big Springs Trout Hatchery |
| April 27, 1997 | Rainbow Trout | 3,028 | 3.3000000000000003 in avg | Big Springs Trout Hatchery |
| April 22, 1996 | Rainbow Trout | 3,350 | 2.6 in avg | Big Springs Trout Hatchery |
| April 18, 1995 | Rainbow Trout | 3,103 | 2.9 in avg | Big Springs Trout Hatchery |
| April 19, 1994 | Rainbow Trout | 3,010 | 3.1 in avg | Big Springs Trout Hatchery |
| April 13, 1990 | Rainbow Trout | 2,500 | 2.8000000000000003 in avg | Giant Springs Trout Hatchery |
| May 2, 1989 | Rainbow Trout | 3,133 | 3.6 in avg | Big Springs Trout Hatchery |
| April 7, 1988 | Rainbow Trout | 3,024 | 3.4 in avg | Big Springs Trout Hatchery |
| April 14, 1987 | Rainbow Trout | 3,006 | 3.3000000000000003 in avg | Big Springs Trout Hatchery |
| May 27, 1986 | Rainbow Trout | 3,045 | 4 in avg | Big Springs Trout Hatchery |
| May 4, 1985 | Rainbow Trout | 3,016 | 4 in avg | Big Springs Trout Hatchery |
| May 10, 1984 | Rainbow Trout | 3,007 | 4 in avg | Big Springs Trout Hatchery |
| May 3, 1983 | Rainbow Trout | 3,016 | 7 in avg | Big Springs Trout Hatchery |
| May 3, 1982 | Rainbow Trout | 3,002 | 4 in avg | Big Springs Trout Hatchery |
| April 14, 1981 | Rainbow Trout | 3,007 | 4 in avg | Big Springs Trout Hatchery |
| May 1, 1980 | Rainbow Trout | 3,489 | 4 in avg | Big Springs Trout Hatchery |
| July 2, 1979 | Rainbow Trout | 3,005 | 5 in avg | Big Springs Trout Hatchery |
| June 14, 1978 | Rainbow Trout | 3,060 | 5 in avg | Big Springs Trout Hatchery |
| April 18, 1977 | Rainbow Trout | 2,508 | 4 in avg | Big Springs Trout Hatchery |
| April 21, 1976 | Rainbow Trout | 2,496 | 5 in avg | Big Springs Trout Hatchery |
| June 4, 1975 | Rainbow Trout | 2,520 | 5 in avg | Big Springs Trout Hatchery |
| May 6, 1974 | Rainbow Trout | 2,520 | 4 in avg | Big Springs Trout Hatchery |
| May 1, 1973 | Rainbow Trout | 2,178 | 2 in avg | Big Springs Trout Hatchery |
| April 27, 1972 | Rainbow Trout | 1,925 | 2 in avg | Big Springs Trout Hatchery |
| April 23, 1971 | Rainbow Trout | 2,100 | 2 in avg | Big Springs Trout Hatchery |
| June 9, 1970 | Rainbow Trout | 1,854 | 3 in avg | Big Springs Trout Hatchery |
| May 26, 1969 | Rainbow Trout | 2,310 | 4 in avg | Big Springs Trout Hatchery |
| April 30, 1968 | Rainbow Trout | 2,500 | 4 in avg | Big Springs Trout 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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