Cook Reservoir 2 - stocking report
Cook Reservoir 2 was last stocked on May 27, 2026: 1,014 Rainbow Trout (4.55 in avg).
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| May 27, 2026 | Rainbow Trout | 1,014 | 4.55 in avg | Big Springs Trout Hatchery |
| June 4, 2025 | Rainbow Trout | 999 | 4.99 in avg | Big Springs Trout Hatchery |
| May 29, 2024 | Rainbow Trout | 1,006 | 4.51 in avg | Big Springs Trout Hatchery |
| June 1, 2023 | Rainbow Trout | 1,013 | 4.58 in avg | Big Springs Trout Hatchery |
| June 16, 2022 | Rainbow Trout | 1,004 | 4.69 in avg | Big Springs Trout Hatchery |
| June 11, 2021 | Rainbow Trout | 996 | 5.15 in avg | Big Springs Trout Hatchery |
| June 4, 2020 | Rainbow Trout | 997 | 4.2700000000000005 in avg | Big Springs Trout Hatchery |
| May 29, 2019 | Rainbow Trout | 1,001 | 4.5 in avg | Big Springs Trout Hatchery |
| June 6, 2018 | Rainbow Trout | 995 | 4.42 in avg | Big Springs Trout Hatchery |
| May 15, 2017 | Rainbow Trout | 1,053 | 3.56 in avg | Big Springs Trout Hatchery |
| June 8, 2016 | Rainbow Trout | 1,000 | 4.47 in avg | Big Springs Trout Hatchery |
| May 27, 2015 | Rainbow Trout | 1,001 | 4.2700000000000005 in avg | Big Springs Trout Hatchery |
| May 28, 2014 | Rainbow Trout | 1,027 | 4.13 in avg | Big Springs Trout Hatchery |
| June 10, 2013 | Rainbow Trout | 1,001 | 4.47 in avg | Big Springs Trout Hatchery |
| June 7, 2012 | Rainbow Trout | 1,008 | 4.5200000000000005 in avg | Big Springs Trout Hatchery |
| June 16, 2011 | Rainbow Trout | 995 | 4.61 in avg | Big Springs Trout Hatchery |
| June 7, 2010 | Rainbow Trout | 1,000 | 4.24 in avg | Big Springs Trout Hatchery |
| June 3, 2009 | Rainbow Trout | 1,000 | 4 in avg | Big Springs Trout Hatchery |
| June 18, 2008 | Rainbow Trout | 1,041 | 4.93 in avg | Big Springs Trout Hatchery |
| June 11, 2007 | Rainbow Trout | 998 | 4.44 in avg | Big Springs Trout Hatchery |
| June 7, 2006 | Rainbow Trout | 1,096 | 4.04 in avg | Big Springs Trout Hatchery |
| May 25, 2005 | Rainbow Trout | 1,035 | 3.52 in avg | Big Springs Trout Hatchery |
| June 7, 2004 | Rainbow Trout | 1,015 | 4.05 in avg | Big Springs Trout Hatchery |
| May 28, 2003 | Rainbow Trout | 994 | 3.69 in avg | Big Springs Trout Hatchery |
| June 5, 2002 | Rainbow Trout | 1,003 | 4.2 in avg | Big Springs Trout Hatchery |
| June 20, 2001 | Rainbow Trout | 1,000 | 4.3 in avg | Big Springs Trout Hatchery |
| June 8, 2000 | Rainbow Trout | 1,011 | 4.26 in avg | Big Springs Trout Hatchery |
| May 27, 1999 | Rainbow Trout | 1,021 | 4 in avg | Big Springs Trout Hatchery |
| June 3, 1998 | Rainbow Trout | 1,074 | 3.7 in avg | Big Springs Trout Hatchery |
| June 16, 1997 | Rainbow Trout | 1,066 | 4.2 in avg | Big Springs Trout Hatchery |
| June 12, 1996 | Rainbow Trout | 997 | 4.1 in avg | Giant Springs Trout Hatchery |
| June 2, 1995 | Rainbow Trout | 1,028 | 4.1 in avg | Big Springs Trout Hatchery |
| June 15, 1994 | Rainbow Trout | 1,017 | 4.2 in avg | Big Springs Trout Hatchery |
| June 14, 1993 | Rainbow Trout | 1,000 | 3.9 in avg | Big Springs Trout Hatchery |
| May 26, 1992 | Rainbow Trout | 1,022 | 3.9 in avg | Big Springs Trout Hatchery |
| June 11, 1991 | Rainbow Trout | 1,000 | 4.5 in avg | Big Springs Trout Hatchery |
| June 15, 1990 | Rainbow Trout | 1,015 | 4.4 in avg | Big Springs Trout Hatchery |
| June 6, 1989 | Rainbow Trout | 1,020 | 5.5 in avg | Big Springs Trout Hatchery |
| June 27, 1988 | Rainbow Trout | 1,089 | 4.6000000000000005 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: .