Montana · Blaine County · Powder River County
Cow Creek Reservoir - stocking report
Cow Creek Reservoir was last stocked on October 6, 2025: 285 Channel Catfish (2.2600000000000002 in avg).
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| October 6, 2025 | Channel Catfish | 285 | 2.2600000000000002 in avg | Miles City Fish Hatchery |
| June 25, 2024 | Walleye | 3,777 | 1.47 in avg | Fort Peck Hatchery |
| June 30, 2022 | Walleye | 3,000 | 1.4000000000000001 in avg | Fort Peck Hatchery |
| June 24, 2022 | Tiger Muskie (Northern X Muskie) | 260 | 4.98 in avg | Miles City Fish Hatchery |
| June 24, 2022 | Yellow Perch | 33,000 | 0.85 in avg | Miles City Fish Hatchery |
| September 9, 2021 | Channel Catfish | 5,000 | 1.9100000000000001 in avg | Miles City Fish Hatchery |
| August 20, 2020 | Channel Catfish | 5,000 | 1.6300000000000001 in avg | Miles City Fish Hatchery |
| June 23, 2020 | Walleye | 3,203 | 1.72 in avg | Fort Peck Hatchery |
| August 6, 2019 | Channel Catfish | 1,420 | 2.11 in avg | Miles City Fish Hatchery |
| July 11, 2019 | Yellow Perch | 20,000 | 1.24 in avg | Miles City Fish Hatchery |
| July 8, 2019 | Tiger Muskie (Northern X Muskie) | 1,000 | 4.93 in avg | Miles City Fish Hatchery |
| June 29, 2018 | Walleye | 3,000 | 2.08 in avg | Fort Peck Hatchery |
| June 29, 2016 | Walleye | 3,004 | 1.69 in avg | Fort Peck Hatchery |
| August 3, 2015 | Tiger Muskie (Northern X Muskie) | 400 | 5 in avg | Miles City Fish Hatchery |
| June 26, 2014 | Walleye | 5,000 | 1.57 in avg | Fort Peck Hatchery |
| October 20, 2010 | Tiger Muskie (Northern X Muskie) | 50 | 12.02 in avg | Fort Peck Hatchery |
| June 30, 2010 | Walleye | 4,999 | 1.62 in avg | Fort Peck Hatchery |
| June 30, 2008 | Walleye | 5,108 | 1.94 in avg | Fort Peck Hatchery |
| July 10, 2007 | Walleye | 5,084 | 1.9000000000000001 in avg | Fort Peck Hatchery |
| May 3, 2007 | Tiger Muskie (Northern X Muskie) | 820 | 7.7 in avg | Miles City Fish Hatchery |
| June 22, 2006 | Walleye | 7,805 | 1.86 in avg | Fort Peck Hatchery |
| June 2, 2006 | Tiger Muskie (Northern X Muskie) | 2,000 | 2.6 in avg | Miles City Fish Hatchery |
| September 19, 2005 | Channel Catfish | 3,000 | 6.3 in avg | Miles City Fish Hatchery |
| June 23, 2005 | Walleye | 7,000 | 1.6 in avg | Miles City Fish Hatchery |
| July 13, 2004 | Tiger Muskie (Northern X Muskie) | 1,600 | 3.2 in avg | Miles City Fish Hatchery |
| September 16, 2003 | Channel Catfish | 3,000 | 4.5 in avg | Miles City Fish Hatchery |
| June 13, 2002 | Tiger Muskie (Northern X Muskie) | 4,000 | 1.7 in avg | Miles City Fish Hatchery |
| September 19, 2001 | Channel Catfish | 4,000 | 2.3000000000000003 in avg | Miles City Fish Hatchery |
| August 21, 2001 | Walleye | 1,800 | 3.2 in avg | Miles City Fish Hatchery |
| June 14, 2001 | Walleye | 7,000 | 3.5 in avg | Miles City Fish Hatchery |
| August 8, 2000 | Walleye | 5,000 | 2.6 in avg | Miles City Fish Hatchery |
| August 8, 2000 | Tiger Muskie (Northern X Muskie) | 3,000 | 5.4 in avg | Miles City Fish Hatchery |
| May 9, 2000 | Walleye | 200,000 | 0.2 in avg | Miles City Fish Hatchery |
| September 29, 1999 | Tiger Muskie (Northern X Muskie) | 42 | 9 in avg | Wild |
| July 20, 1999 | Tiger Muskie (Northern X Muskie) | 1,728 | 4.6000000000000005 in avg | Miles City Fish Hatchery |
| May 28, 1999 | Black Crappie | 201 | 8 in avg | Wild |
| October 6, 1998 | Tiger Muskie (Northern X Muskie) | 1,650 | 7 in avg | Miles City Fish Hatchery |
| July 30, 1998 | Channel Catfish | 6,500 | 3.3000000000000003 in avg | Miles City Fish Hatchery |
| July 30, 1998 | Tiger Muskie (Northern X Muskie) | 3,000 | 5.1000000000000005 in avg | Miles City Fish Hatchery |
| May 1, 1998 | Walleye | 200,000 | 0.2 in avg | Miles City Fish Hatchery |
| July 14, 1997 | Tiger Muskie (Northern X Muskie) | 6,000 | 2.3000000000000003 in avg | Miles City Fish Hatchery |
| November 7, 1996 | Channel Catfish | 4,000 | 2.8000000000000003 in avg | Miles City Fish Hatchery |
| June 25, 1996 | Walleye | 7,000 | 1.7 in avg | Miles City Fish Hatchery |
| June 15, 1995 | Walleye | 6,000 | 1.3 in avg | Miles City Fish Hatchery |
| September 8, 1994 | Channel Catfish | 10,000 | 3 in avg | Miles City Fish Hatchery |
| June 14, 1994 | Walleye | 6,000 | 1.5 in avg | Miles City Fish Hatchery |
| April 24, 1986 | Rainbow Trout | 2,007 | 6 in avg | Bluewater Springs Trout Hatchery |
| April 17, 1984 | Rainbow Trout | 2,024 | 7 in avg | Bluewater Springs Trout Hatchery |
| April 20, 1983 | Rainbow Trout | 2,080 | 8 in avg | Bluewater Springs Trout Hatchery |
| April 23, 1982 | Rainbow Trout | 2,002 | 7 in avg | Bluewater Springs Trout Hatchery |
| April 15, 1981 | Rainbow Trout | 2,040 | 7 in avg | Bluewater Springs Trout Hatchery |
| April 18, 1980 | Rainbow Trout | 2,059 | 7 in avg | Bluewater Springs Trout Hatchery |
| June 14, 1979 | Rainbow Trout | 2,058 | 8 in avg | Bluewater Springs Trout Hatchery |
| April 26, 1978 | Rainbow Trout | 2,000 | 7 in avg | Bluewater Springs Trout Hatchery |
| May 4, 1977 | Rainbow Trout | 2,016 | 9 in avg | Bluewater Springs Trout Hatchery |
| May 12, 1976 | Rainbow Trout | 2,000 | 9 in avg | Bluewater Springs Trout Hatchery |
| June 16, 1975 | Rainbow Trout | 2,100 | 9 in avg | Bluewater Springs Trout Hatchery |
| June 13, 1974 | Rainbow Trout | 2,000 | 8 in avg | Bluewater Springs Trout Hatchery |
| May 25, 1973 | Rainbow Trout | 1,584 | 8 in avg | Bluewater Springs Trout Hatchery |
| September 12, 1972 | Rainbow Trout | 1,000 | 9 in avg | Bluewater Springs Trout Hatchery |
| May 17, 1972 | Rainbow Trout | 876 | 11 in avg | Bluewater Springs Trout Hatchery |
| September 27, 1971 | Rainbow Trout | 780 | 9 in avg | Bluewater Springs Trout Hatchery |
| June 29, 1971 | Brook Trout | 1,000 | 3 in avg | Miles City - Federal |
| May 10, 1971 | Rainbow Trout | 900 | 10 in avg | Bluewater Springs Trout Hatchery |
| October 19, 1970 | Rainbow Trout | 900 | 9 in avg | Bluewater Springs Trout Hatchery |
| June 8, 1970 | Rainbow Trout | 1,044 | 10 in avg | Bluewater Springs Trout Hatchery |
| September 19, 1969 | Rainbow Trout | 1,275 | 10 in avg | Bluewater Springs Trout Hatchery |
| April 22, 1969 | Rainbow Trout | 1,080 | 10 in avg | Bluewater Springs Trout Hatchery |
| September 11, 1968 | Rainbow Trout | 1,520 | 8 in avg | Bluewater Springs Trout Hatchery |
| April 10, 1968 | Rainbow Trout | 1,040 | 10 in avg | Bluewater Springs Trout Hatchery |
| October 10, 1967 | Rainbow Trout | 1,000 | 8 in avg | Bluewater Springs Trout Hatchery |
| May 17, 1967 | Rainbow Trout | 2,010 | 9 in avg | Bluewater 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: .