Montana · Lewis and Clark County
Nilan Reservoir - stocking report
Nilan Reservoir was last stocked on May 26, 2026: 40,000 Rainbow Trout (3.17 in avg).
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| May 26, 2026 | Rainbow Trout | 40,000 | 3.17 in avg | Giant Springs Trout Hatchery |
| June 5, 2025 | Rainbow Trout | 20,000 | 3.39 in avg | Giant Springs Trout Hatchery |
| June 5, 2025 | Rainbow Trout | 20,000 | 5.73 in avg | Giant Springs Trout Hatchery |
| June 19, 2024 | Rainbow Trout | 20,640 | 4.12 in avg | Giant Springs Trout Hatchery |
| June 12, 2024 | Rainbow Trout | 20,000 | 5.69 in avg | Giant Springs Trout Hatchery |
| June 12, 2024 | Rainbow Trout | 20,000 | 5.18 in avg | Giant Springs Trout Hatchery |
| June 28, 2023 | Rainbow Trout | 42,631 | 3.49 in avg | Giant Springs Trout Hatchery |
| June 27, 2023 | Rainbow Trout | 250 | 10 in avg | |
| June 14, 2023 | Rainbow Trout | 21,231 | 5.54 in avg | Giant Springs Trout Hatchery |
| June 14, 2023 | Rainbow Trout | 20,000 | 5.64 in avg | Giant Springs Trout Hatchery |
| July 7, 2022 | Rainbow Trout | 20,000 | 3.71 in avg | Giant Springs Trout Hatchery |
| May 25, 2022 | Rainbow Trout | 26,251 | 5.13 in avg | Giant Springs Trout Hatchery |
| May 25, 2022 | Rainbow Trout | 24,865 | 5.11 in avg | Giant Springs Trout Hatchery |
| July 1, 2021 | Rainbow Trout | 7,824 | 3.54 in avg | Giant Springs Trout Hatchery |
| June 22, 2021 | Rainbow Trout | 36,968 | 3.83 in avg | Giant Springs Trout Hatchery |
| June 8, 2021 | Rainbow Trout | 15,903 | 4.94 in avg | Giant Springs Trout Hatchery |
| June 8, 2021 | Rainbow Trout | 23,298 | 5.4 in avg | Giant Springs Trout Hatchery |
| June 18, 2020 | Rainbow Trout | 20,000 | 3.84 in avg | Giant Springs Trout Hatchery |
| June 18, 2020 | Rainbow Trout | 40,000 | 3.66 in avg | Giant Springs Trout Hatchery |
| June 18, 2020 | Rainbow Trout | 20,175 | 4.42 in avg | Bluewater Springs Trout Hatchery |
| September 6, 2019 | Rainbow Trout | 9,972 | 4.12 in avg | Big Springs Trout Hatchery |
| June 18, 2019 | Rainbow Trout | 42,398 | 3.85 in avg | Giant Springs Trout Hatchery |
| June 13, 2019 | Rainbow Trout | 40,000 | 4.84 in avg | Giant Springs Trout Hatchery |
| September 11, 2018 | Rainbow Trout | 8,997 | 5.08 in avg | Big Springs Trout Hatchery |
| July 2, 2018 | Rainbow Trout | 7,729 | 3.75 in avg | Giant Springs Trout Hatchery |
| June 14, 2018 | Rainbow Trout | 40,000 | 3.2 in avg | Giant Springs Trout Hatchery |
| June 14, 2018 | Rainbow Trout | 19,336 | 4.83 in avg | Giant Springs Trout Hatchery |
| June 12, 2018 | Rainbow Trout | 21,164 | 5.04 in avg | Giant Springs Trout Hatchery |
| September 27, 2017 | Rainbow Trout | 29,610 | 5.34 in avg | Jocko River Trout Hatchery |
| September 21, 2017 | Rainbow Trout | 10,475 | 4.9 in avg | Big Springs Trout Hatchery |
| June 22, 2017 | Rainbow Trout | 39,016 | 3.6 in avg | Giant Springs Trout Hatchery |
| June 14, 2017 | Rainbow Trout | 12,394 | 6.2 in avg | Giant Springs Trout Hatchery |
| June 14, 2017 | Rainbow Trout | 17,705 | 6.2 in avg | Giant Springs Trout Hatchery |
| June 13, 2017 | Rainbow Trout | 5,000 | 6.2 in avg | Giant Springs Trout Hatchery |
| May 3, 2017 | Rainbow Trout | 23,997 | 2.77 in avg | Big Springs Trout Hatchery |
| September 21, 2016 | Rainbow Trout | 10,751 | 4.59 in avg | Big Springs Trout Hatchery |
| June 14, 2016 | Rainbow Trout | 43,969 | 2.3000000000000003 in avg | Big Springs Trout Hatchery |
| June 14, 2016 | Brown Trout | 998 | 4.34 in avg | Big Springs Trout Hatchery |
| September 25, 2015 | Brook Trout | 5,772 | 3.5 in avg | Flathead Lake Salmon Hatchery |
| September 24, 2015 | Rainbow Trout | 4,004 | 5.03 in avg | Big Springs Trout Hatchery |
| June 11, 2015 | Rainbow Trout | 10,262 | 5.4 in avg | Giant Springs Trout Hatchery |
| June 11, 2015 | Rainbow Trout | 40,104 | 3.61 in avg | Giant Springs Trout Hatchery |
| June 10, 2015 | Rainbow Trout | 29,752 | 5.25 in avg | Giant Springs Trout Hatchery |
| April 27, 2015 | Rainbow Trout | 10,600 | 1.9000000000000001 in avg | Big Springs Trout Hatchery |
| April 27, 2015 | Rainbow Trout | 15,200 | 2.36 in avg | Big Springs Trout Hatchery |
| October 9, 2014 | Rainbow Trout | 1,917 | 7.2 in avg | Big Springs Trout Hatchery |
| June 19, 2014 | Rainbow Trout | 44,000 | 3.8000000000000003 in avg | Giant Springs Trout Hatchery |
| June 17, 2014 | Rainbow Trout | 9,537 | 5.22 in avg | Giant Springs Trout Hatchery |
| June 17, 2014 | Rainbow Trout | 30,924 | 5.71 in avg | Giant Springs Trout Hatchery |
| May 29, 2014 | Rainbow Trout | 7,696 | 3.04 in avg | Big Springs Trout Hatchery |
| June 12, 2013 | Rainbow Trout | 40,000 | 3.85 in avg | Giant Springs Trout Hatchery |
| June 12, 2013 | Rainbow Trout | 14,678 | 5.6000000000000005 in avg | Giant Springs Trout Hatchery |
| June 12, 2013 | Rainbow Trout | 20,465 | 2.77 in avg | Big Springs Trout Hatchery |
| June 12, 2013 | Rainbow Trout | 5,997 | 3.13 in avg | Big Springs Trout Hatchery |
| June 5, 2013 | Rainbow Trout | 26,153 | 5.5200000000000005 in avg | Giant Springs Trout Hatchery |
| July 25, 2012 | Rainbow Trout | 28,576 | 3.9 in avg | Giant Springs Trout Hatchery |
| July 24, 2012 | Brook Trout | 12,925 | 4.7 in avg | Giant Springs Trout Hatchery |
| June 22, 2012 | Rainbow Trout | 5,000 | 3.5 in avg | Giant Springs Trout Hatchery |
| June 14, 2012 | Rainbow Trout | 5,680 | 5.3 in avg | Giant Springs Trout Hatchery |
| June 6, 2012 | Rainbow Trout | 34,320 | 5 in avg | Giant Springs Trout Hatchery |
| June 6, 2012 | Rainbow Trout | 40,000 | 2.9 in avg | Giant Springs Trout Hatchery |
| July 21, 2011 | Rainbow Trout | 4,530 | 5.12 in avg | Big Springs Trout Hatchery |
| July 6, 2011 | Rainbow Trout | 25,680 | 3.7 in avg | Giant Springs Trout Hatchery |
| June 23, 2011 | Rainbow Trout | 30,366 | 3.3000000000000003 in avg | Giant Springs Trout Hatchery |
| June 15, 2011 | Rainbow Trout | 40,000 | 3.1 in avg | Giant Springs Trout Hatchery |
| May 17, 2011 | Rainbow Trout | 40,194 | 4.7 in avg | Big Springs Trout Hatchery |
| June 22, 2010 | Rainbow Trout | 18,000 | 5.6000000000000005 in avg | Giant Springs Trout Hatchery |
| June 10, 2010 | Rainbow Trout | 40,832 | 4.4 in avg | Giant Springs Trout Hatchery |
| June 8, 2010 | Rainbow Trout | 40,000 | 3.1 in avg | Giant Springs Trout Hatchery |
| July 9, 2009 | Rainbow Trout | 40,000 | 4 in avg | Giant Springs Trout Hatchery |
| June 18, 2009 | Rainbow Trout | 43,060 | 4 in avg | Jocko River Trout Hatchery |
| June 11, 2009 | Rainbow Trout | 29,593 | 4 in avg | Big Springs Trout Hatchery |
| May 27, 2009 | Rainbow Trout | 11,124 | 5 in avg | Giant Springs Trout Hatchery |
| July 3, 2008 | Rainbow Trout | 43,160 | 3.5 in avg | Giant Springs Trout Hatchery |
| June 25, 2008 | Rainbow Trout | 43,648 | 3.5 in avg | Giant Springs Trout Hatchery |
| May 28, 2008 | Rainbow Trout | 5,107 | 3.0300000000000002 in avg | Jocko River Trout Hatchery |
| May 28, 2008 | Rainbow Trout | 34,917 | 3.5100000000000002 in avg | Jocko River Trout Hatchery |
| July 17, 2007 | Rainbow Trout | 40,000 | 4.7 in avg | Giant Springs Trout Hatchery |
| May 11, 2007 | Rainbow Trout | 40,878 | 3.56 in avg | Jocko River Trout Hatchery |
| October 27, 2006 | Rainbow Trout | 14,210 | 3.13 in avg | Big Springs Trout Hatchery |
| July 26, 2006 | Rainbow Trout | 40,000 | 3.8200000000000003 in avg | Giant Springs Trout Hatchery |
| May 16, 2006 | Rainbow Trout | 41,219 | 4.4 in avg | Giant Springs Trout Hatchery |
| September 6, 2005 | Rainbow Trout | 4,000 | 5.2 in avg | Giant Springs Trout Hatchery |
| July 7, 2005 | Rainbow Trout | 17,318 | 5.8 in avg | Giant Springs Trout Hatchery |
| July 6, 2005 | Rainbow Trout | 18,959 | 5.6000000000000005 in avg | Giant Springs Trout Hatchery |
| June 15, 2005 | Rainbow Trout | 1 | 4.64 in avg | Big Springs Trout Hatchery |
| June 15, 2005 | Rainbow Trout | 40,000 | 4.55 in avg | Ennis National Fish Hatchery |
| July 29, 2004 | Rainbow Trout | 42,592 | 3.9 in avg | Giant Springs Trout Hatchery |
| June 2, 2004 | Rainbow Trout | 39,996 | 3.98 in avg | Giant Springs Trout Hatchery |
| July 22, 2003 | Rainbow Trout | 39,054 | 4.4 in avg | Giant Springs Trout Hatchery |
| May 13, 2003 | Rainbow Trout | 39,990 | 4.1 in avg | Giant Springs Trout Hatchery |
| July 24, 2002 | Rainbow Trout | 40,409 | 4.3 in avg | Giant Springs Trout Hatchery |
| May 15, 2002 | Rainbow Trout | 40,524 | 4.3 in avg | Giant Springs Trout Hatchery |
| July 26, 2001 | Rainbow Trout | 39,760 | 3.9 in avg | Giant Springs Trout Hatchery |
| May 15, 2001 | Rainbow Trout | 39,283 | 4.4 in avg | Giant Springs Trout Hatchery |
| July 10, 2000 | Rainbow Trout | 40,159 | 2.6 in avg | Creston National Fish Hatchery |
| May 2, 2000 | Rainbow Trout | 42,000 | 3.9 in avg | Giant Springs Trout Hatchery |
| July 6, 1999 | Rainbow Trout | 41,672 | 3.6 in avg | Giant Springs Trout Hatchery |
| June 7, 1999 | Rainbow Trout | 5,000 | 4.3 in avg | Giant Springs Trout Hatchery |
| May 4, 1999 | Rainbow Trout | 35,006 | 3.8000000000000003 in avg | Giant Springs Trout Hatchery |
| July 21, 1998 | Rainbow Trout | 40,378 | 3.9 in avg | Giant Springs Trout Hatchery |
| May 12, 1998 | Rainbow Trout | 43,612 | 3.9 in avg | Giant Springs Trout Hatchery |
| July 8, 1997 | Rainbow Trout | 40,946 | 3.9 in avg | Giant Springs Trout Hatchery |
| May 6, 1997 | Rainbow Trout | 39,985 | 4.1 in avg | Giant Springs Trout Hatchery |
| July 8, 1996 | Rainbow Trout | 15,000 | 3.9 in avg | Giant Springs Trout Hatchery |
| July 1, 1996 | Rainbow Trout | 25,056 | 2.9 in avg | Murray Springs Trout Hatchery |
| May 16, 1996 | Rainbow Trout | 19,782 | 4.5 in avg | Giant Springs Trout Hatchery |
| April 30, 1996 | Rainbow Trout | 20,222 | 4 in avg | Giant Springs Trout Hatchery |
| July 17, 1995 | Rainbow Trout | 38,755 | 4.2 in avg | Giant Springs Trout Hatchery |
| May 2, 1995 | Rainbow Trout | 43,362 | 4.1 in avg | Giant Springs Trout Hatchery |
| July 5, 1994 | Rainbow Trout | 42,000 | 4 in avg | Giant Springs Trout Hatchery |
| May 5, 1994 | Rainbow Trout | 42,090 | 4.1 in avg | Giant Springs Trout Hatchery |
| July 6, 1993 | Rainbow Trout | 38,498 | 3.7 in avg | Giant Springs Trout Hatchery |
| May 13, 1993 | Rainbow Trout | 8,480 | 3.9 in avg | Giant Springs Trout Hatchery |
| May 13, 1993 | Rainbow Trout | 34,695 | 4.6000000000000005 in avg | Giant Springs Trout Hatchery |
| April 22, 1992 | Rainbow Trout | 30,302 | 4.5 in avg | Giant Springs Trout Hatchery |
| April 21, 1992 | Rainbow Trout | 44,480 | 4.5 in avg | Giant Springs Trout Hatchery |
| May 2, 1991 | Rainbow Trout | 38,440 | 4.3 in avg | Giant Springs Trout Hatchery |
| April 23, 1991 | Rainbow Trout | 37,200 | 4.3 in avg | Giant Springs Trout Hatchery |
| May 4, 1990 | Rainbow Trout | 35,026 | 3.7 in avg | Giant Springs Trout Hatchery |
| May 3, 1990 | Rainbow Trout | 40,137 | 3.7 in avg | Giant Springs Trout Hatchery |
| May 17, 1989 | Rainbow Trout | 25,482 | 5.3 in avg | Giant Springs Trout Hatchery |
| May 16, 1989 | Rainbow Trout | 26,304 | 5.3 in avg | Giant Springs Trout Hatchery |
| May 16, 1989 | Rainbow Trout | 24,660 | 5.3 in avg | Giant Springs Trout Hatchery |
| May 11, 1988 | Rainbow Trout | 21,980 | 5.4 in avg | Giant Springs Trout Hatchery |
| April 29, 1988 | Rainbow Trout | 23,575 | 4.9 in avg | Giant Springs Trout Hatchery |
| April 28, 1988 | Rainbow Trout | 25,113 | 4.9 in avg | Giant Springs Trout Hatchery |
| April 28, 1988 | Rainbow Trout | 27,675 | 4.9 in avg | Giant Springs Trout Hatchery |
| April 28, 1987 | Rainbow Trout | 37,500 | 4.6000000000000005 in avg | Giant Springs Trout Hatchery |
| April 27, 1987 | Rainbow Trout | 37,500 | 4.6000000000000005 in avg | Giant Springs Trout Hatchery |
| May 8, 1986 | Rainbow Trout | 21,560 | 5 in avg | Giant Springs Trout Hatchery |
| May 7, 1986 | Rainbow Trout | 21,560 | 5 in avg | Giant Springs Trout Hatchery |
| May 6, 1986 | Rainbow Trout | 16,940 | 5 in avg | Giant Springs Trout Hatchery |
| May 6, 1986 | Rainbow Trout | 15,400 | 5 in avg | Giant Springs Trout Hatchery |
| May 15, 1985 | Rainbow Trout | 39,290 | 4 in avg | Big Springs Trout Hatchery |
| May 15, 1985 | Rainbow Trout | 39,290 | 4 in avg | Big Springs Trout Hatchery |
| May 3, 1984 | Rainbow Trout | 13,420 | 5 in avg | Giant Springs Trout Hatchery |
| April 25, 1984 | Rainbow Trout | 21,750 | 5 in avg | Giant Springs Trout Hatchery |
| April 25, 1984 | Rainbow Trout | 20,300 | 5 in avg | Giant Springs Trout Hatchery |
| April 24, 1984 | Rainbow Trout | 21,025 | 5 in avg | Giant Springs Trout Hatchery |
| June 14, 1983 | Rainbow Trout | 38,122 | 4 in avg | Big Springs Trout Hatchery |
| June 14, 1983 | Rainbow Trout | 38,122 | 4 in avg | Big Springs Trout Hatchery |
| May 25, 1982 | Rainbow Trout | 25,415 | 5 in avg | Giant Springs Trout Hatchery |
| May 21, 1982 | Rainbow Trout | 25,520 | 5 in avg | Giant Springs Trout Hatchery |
| May 18, 1982 | Rainbow Trout | 25,010 | 5 in avg | Giant Springs Trout Hatchery |
| May 18, 1981 | Rainbow Trout | 20,900 | 5 in avg | Giant Springs Trout Hatchery |
| May 14, 1981 | Rainbow Trout | 20,900 | 5 in avg | Giant Springs Trout Hatchery |
| June 7, 1980 | Rainbow Trout | 25,600 | 5 in avg | Giant Springs Trout Hatchery |
| June 7, 1980 | Rainbow Trout | 25,600 | 5 in avg | Giant Springs Trout Hatchery |
| May 6, 1980 | Rainbow Trout | 25,600 | 5 in avg | Giant Springs Trout Hatchery |
| June 1, 1979 | Rainbow Trout | 25,704 | 5 in avg | Big Springs Trout Hatchery |
| June 1, 1979 | Rainbow Trout | 24,423 | 5 in avg | Big Springs Trout Hatchery |
| May 22, 1979 | Rainbow Trout | 25,056 | 3 in avg | Giant Springs Trout Hatchery |
| May 21, 1979 | Rainbow Trout | 25,056 | 3 in avg | Giant Springs Trout Hatchery |
| May 11, 1978 | Rainbow Trout | 62,400 | 4 in avg | Giant Springs Trout Hatchery |
| April 14, 1978 | Rainbow Trout | 24,977 | 4 in avg | Big Springs Trout Hatchery |
| April 12, 1978 | Rainbow Trout | 37,500 | 5 in avg | Giant Springs Trout Hatchery |
| April 27, 1977 | Rainbow Trout | 18,720 | 5 in avg | Giant Springs Trout Hatchery |
| April 26, 1977 | Rainbow Trout | 19,200 | 5 in avg | Giant Springs Trout Hatchery |
| March 16, 1977 | Rainbow Trout | 37,800 | 5 in avg | Giant Springs Trout Hatchery |
| March 30, 1976 | Rainbow Trout | 26,450 | 5 in avg | Giant Springs Trout Hatchery |
| March 29, 1976 | Rainbow Trout | 25,300 | 5 in avg | Giant Springs Trout Hatchery |
| March 24, 1976 | Rainbow Trout | 25,245 | 4 in avg | Big Springs Trout Hatchery |
| May 27, 1975 | Rainbow Trout | 36,414 | 5 in avg | Big Springs Trout Hatchery |
| May 27, 1975 | Rainbow Trout | 31,212 | 5 in avg | Big Springs Trout Hatchery |
| May 27, 1975 | Rainbow Trout | 28,611 | 5 in avg | Big Springs Trout Hatchery |
| July 30, 1974 | Rainbow Trout | 8,568 | 9 in avg | Big Springs Trout Hatchery |
| July 24, 1974 | Rainbow Trout | 8,968 | 9 in avg | Big Springs Trout Hatchery |
| July 7, 1974 | Rainbow Trout | 2,070 | 5 in avg | Giant Springs Trout Hatchery |
| May 8, 1974 | Rainbow Trout | 23,968 | 4 in avg | Big Springs Trout Hatchery |
| April 10, 1974 | Rainbow Trout | 77,112 | 4 in avg | Big Springs Trout Hatchery |
| June 21, 1973 | Rainbow Trout | 28,200 | 5 in avg | Giant Springs Trout Hatchery |
| May 9, 1973 | Rainbow Trout | 15,936 | 6 in avg | Big Springs Trout Hatchery |
| April 10, 1973 | Rainbow Trout | 41,904 | 4 in avg | Big Springs Trout Hatchery |
| April 10, 1973 | Rainbow Trout | 41,830 | 4 in avg | Big Springs Trout Hatchery |
| July 5, 1972 | Rainbow Trout | 26,130 | 5 in avg | Big Springs Trout Hatchery |
| April 11, 1972 | Rainbow Trout | 73,750 | 4 in avg | Big Springs Trout Hatchery |
| July 13, 1971 | Rainbow Trout | 30,240 | 5 in avg | Big Springs Trout Hatchery |
| July 12, 1971 | Rainbow Trout | 26,112 | 6 in avg | Big Springs Trout Hatchery |
| April 21, 1971 | Rainbow Trout | 17,000 | 5 in avg | Big Springs Trout Hatchery |
| April 7, 1971 | Rainbow Trout | 84,000 | 4 in avg | Big Springs Trout Hatchery |
| April 8, 1970 | Rainbow Trout | 93,800 | 4 in avg | Big Springs Trout Hatchery |
| April 23, 1969 | Rainbow Trout | 74,480 | 4 in avg | Big Springs Trout Hatchery |
| April 23, 1969 | Rainbow Trout | 49,152 | 4 in avg | Big Springs Trout Hatchery |
| March 5, 1968 | Rainbow Trout | 147,400 | 3 in avg | Big Springs Trout Hatchery |
| April 11, 1967 | Rainbow Trout | 79,600 | 3 in avg | Big Springs Trout Hatchery |
| April 11, 1967 | Rainbow Trout | 72,000 | 3 in avg | Big Springs Trout Hatchery |
| June 20, 1966 | Rainbow Trout | 37,500 | 5 in avg | Big Springs Trout Hatchery |
| June 9, 1966 | Rainbow Trout | 34,000 | 4 in avg | Big Springs Trout Hatchery |
| April 13, 1966 | Rainbow Trout | 140,240 | 3 in avg | Big Springs Trout Hatchery |
| May 14, 1965 | Rainbow Trout | 90,000 | 3 in avg | Big Springs Trout Hatchery |
| May 14, 1965 | Rainbow Trout | 60,000 | 3 in avg | Big Springs Trout Hatchery |
| April 27, 1964 | Rainbow Trout | 54,600 | 3 in avg | Big Springs Trout Hatchery |
| April 27, 1964 | Rainbow Trout | 96,000 | 3 in avg | Big Springs Trout Hatchery |
| May 13, 1963 | Rainbow Trout | 89,920 | 3 in avg | Big Springs Trout Hatchery |
| May 8, 1963 | Rainbow Trout | 59,200 | 3 in avg | Big Springs Trout Hatchery |
| May 8, 1963 | Rainbow Trout | 39,960 | 3 in avg | Big Springs Trout Hatchery |
| June 27, 1962 | Rainbow Trout | 60,000 | 4 in avg | Big Springs Trout Hatchery |
| July 20, 1960 | Rainbow Trout | 20,000 | 3 in avg | Big Springs Trout Hatchery |
| July 20, 1960 | Rainbow Trout | 32,000 | 3 in avg | Big Springs Trout Hatchery |
| July 12, 1960 | Rainbow Trout | 12,000 | 4 in avg | Giant Springs Trout Hatchery |
| July 12, 1960 | Rainbow Trout | 10,800 | 4 in avg | Giant Springs Trout Hatchery |
| July 11, 1960 | Rainbow Trout | 13,920 | 4 in avg | Giant Springs Trout Hatchery |
| April 21, 1959 | Rainbow Trout | 36,000 | 2 in avg | Giant Springs Trout Hatchery |
| April 15, 1959 | Rainbow Trout | 26,600 | 2 in avg | Giant Springs Trout Hatchery |
| April 15, 1959 | Rainbow Trout | 26,600 | 2 in avg | Giant Springs Trout Hatchery |
| June 25, 1958 | Rainbow Trout | 25,000 | 2 in avg | Giant Springs Trout Hatchery |
| June 18, 1958 | Rainbow Trout | 50,000 | 2 in avg | Giant Springs Trout Hatchery |
| May 3, 1957 | Rainbow Trout | 75,040 | 2 in avg | Giant Springs Trout Hatchery |
| April 26, 1956 | Rainbow Trout | 18,300 | 2 in avg | Giant Springs Trout Hatchery |
| April 24, 1956 | Rainbow Trout | 38,430 | 2 in avg | Giant Springs Trout Hatchery |
| April 23, 1956 | Rainbow Trout | 36,600 | 2 in avg | Giant Springs Trout Hatchery |
| July 6, 1955 | Rainbow Trout | 70,000 | Giant Springs Trout Hatchery | |
| May 5, 1955 | Rainbow Trout | 10,560 | 5 in avg | Giant Springs Trout Hatchery |
| September 22, 1954 | Cutthroat Trout | 50,400 | 2 in avg | Giant Springs Trout Hatchery |
| July 7, 1954 | Rainbow Trout | 35,700 | 1 in avg | Giant Springs Trout Hatchery |
| August 25, 1953 | Rainbow Trout | 8,100 | 3 in avg | Giant Springs Trout Hatchery |
| July 21, 1953 | Brook Trout | 10,600 | 3 in avg | Giant Springs Trout Hatchery |
| July 20, 1953 | Brook Trout | 8,480 | 3 in avg | Giant Springs Trout Hatchery |
| July 20, 1953 | Cutthroat Trout | 1,600 | 5 in avg | Giant Springs Trout Hatchery |
| July 8, 1953 | Rainbow Trout | 2,000 | Giant Springs Trout Hatchery | |
| June 9, 1952 | Rainbow Trout | 192,000 | 1 in avg | Giant Springs Trout Hatchery |
| May 14, 1952 | Rainbow Trout | 2,000 | 8 in avg | Giant Springs Trout Hatchery |
| October 1, 1951 | Cutthroat Trout | 31,350 | 2 in avg | Giant 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: .