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Montana stocking report

Cow Creek Reservoir

72 records Last stocked: October 6, 2025

The short answer

Cow Creek Reservoir was last stocked on October 6, 2025: 285 Channel Catfish (2.2600000000000002 in avg).

Counties
Blaine, Powder River
Species on record
Channel Catfish, Walleye, Tiger Muskellunge, Yellow Perch, Black Crappie, Rainbow Trout, Brook Trout
Records
72 stocking events
Official source
Montana Fish, Wildlife & Parks report

Location map

Cow Creek Reservoir location context

Approximate · county context
Beaverhead County Big Horn County Blaine County Broadwater County Carbon County Carter County Cascade County Chouteau County Custer County Daniels County Dawson County Deer Lodge County Fallon County Fergus County Flathead County Gallatin County Garfield County Glacier County Golden Valley County Granite County Hill County Jefferson County Judith Basin County Lake County Lewis and Clark County Liberty County Lincoln County Madison County McCone County Meagher County Mineral County Missoula County Musselshell County Park County Petroleum County Phillips County Pondera County Powder River County Powell County Prairie County Ravalli County Richland County Roosevelt County Rosebud County Sanders County Sheridan County Silver Bow County Stillwater County Sweet Grass County Teton County Toole County Treasure County Valley County Wheatland County Wibaux County Yellowstone County MT Cow Creek Reservoir, Blaine County Cow Creek Reservoir Petrie Pond, Blaine County Petrie Pond Salmo Reservoir, Blaine County Salmo Reservoir Faber Reservoir, Blaine County Faber Reservoir Reser Reservoir, Blaine County Reser Reservoir Anderson Reservoir, Blaine County Anderson Reservoir Ross Reservoir, Blaine County Ross Reservoir Grasshopper Reservoir, Blaine County Grasshopper Reservoir BR 045 Reservoir, Blaine County BR 045 Reservoir Blaine County
Cow Creek ReservoirBlaine County Petrie PondBlaine County Salmo ReservoirBlaine County Faber ReservoirBlaine County Reser ReservoirBlaine 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

DateSpeciesFishSizeHatchery
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 Muskellunge 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 Muskellunge 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 Muskellunge 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 Muskellunge 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 Muskellunge 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 Muskellunge 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 Muskellunge 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 Muskellunge 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 Muskellunge 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 Muskellunge 42 9 in avg Wild
July 20, 1999 Tiger Muskellunge 1,728 4.6000000000000005 in avg Miles City Fish Hatchery
May 28, 1999 Black Crappie 201 8 in avg Wild
October 6, 1998 Tiger Muskellunge 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 Muskellunge 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 Muskellunge 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: .

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