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Montana stocking report

Kolar Reservoir 1

99 records Last stocked: May 15, 2026

The short answer

Kolar Reservoir 1 was last stocked on May 15, 2026: 1,400 Rainbow Trout (7.59 in avg).

County
Judith Basin
Species on record
Rainbow Trout, Brook Trout, Walleye, Largemouth Bass, Kokanee, Cutthroat Trout
Records
99 stocking events
Official source
Montana Fish, Wildlife & Parks report

Location map

Kolar Reservoir 1 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 Kolar Reservoir 1, Judith Basin County Kolar Reservoir 1 Ackley Lake, Judith Basin County Ackley Lake Kolar Reservoir 2, Judith Basin County Kolar Reservoir 2 Dipping Vat Pond, Judith Basin County Dipping Vat Pond Rhoda Lake, Judith Basin County Rhoda Lake South Fork Judith River, Judith Basin County South Fork Judith River C-1 Reservoir, Judith Basin County C-1 Reservoir Kolar Reservoir #4, Judith Basin County Kolar Reservoir #4 Kolar Reservoir #5, Judith Basin County Kolar Reservoir #5 Judith Basin County
Kolar Reservoir 1Judith Basin County Ackley LakeJudith Basin County Kolar Reservoir 2Judith Basin County Dipping Vat PondJudith Basin County Rhoda LakeJudith Basin 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
May 15, 2026 Rainbow Trout 1,400 7.59 in avg Giant Springs Trout Hatchery
May 27, 2025 Rainbow Trout 1,500 7.3100000000000005 in avg Giant Springs Trout Hatchery
May 15, 2024 Rainbow Trout 1,500 7.0600000000000005 in avg Giant Springs Trout Hatchery
May 15, 2023 Rainbow Trout 1,500 7.03 in avg Giant Springs Trout Hatchery
May 19, 2022 Rainbow Trout 1,500 7.54 in avg Giant Springs Trout Hatchery
May 19, 2021 Rainbow Trout 1,500 7.4 in avg Giant Springs Trout Hatchery
June 3, 2020 Rainbow Trout 1,500 7.51 in avg Giant Springs Trout Hatchery
June 4, 2019 Rainbow Trout 1,500 7.1000000000000005 in avg Giant Springs Trout Hatchery
June 5, 2018 Rainbow Trout 1,000 6.72 in avg Giant Springs Trout Hatchery
June 1, 2017 Rainbow Trout 1,500 8.5 in avg Giant Springs Trout Hatchery
May 21, 2015 Rainbow Trout 1,747 7.0600000000000005 in avg Giant Springs Trout Hatchery
July 2, 2014 Brook Trout 1,034 4.26 in avg Giant Springs Trout Hatchery
May 22, 2014 Rainbow Trout 1,504 7.88 in avg Giant Springs Trout Hatchery
July 23, 2013 Brook Trout 1,057 4.74 in avg Giant Springs Trout Hatchery
June 11, 2013 Rainbow Trout 1,503 7.99 in avg Giant Springs Trout Hatchery
June 18, 2012 Rainbow Trout 1,500 7.8 in avg Giant Springs Trout Hatchery
June 18, 2012 Brook Trout 1,000 4.1 in avg Giant Springs Trout Hatchery
June 2, 2011 Rainbow Trout 1,500 7.7 in avg Giant Springs Trout Hatchery
April 29, 2011 Brook Trout 1,000 2.7 in avg Giant Springs Trout Hatchery
June 3, 2010 Rainbow Trout 1,500 7.3 in avg Giant Springs Trout Hatchery
June 10, 2009 Rainbow Trout 1,500 7 in avg Giant Springs Trout Hatchery
June 3, 2008 Rainbow Trout 1,500 7.8 in avg Giant Springs Trout Hatchery
June 19, 2007 Rainbow Trout 1,500 7.5 in avg Giant Springs Trout Hatchery
May 31, 2006 Rainbow Trout 1,500 6.5 in avg Giant Springs Trout Hatchery
June 7, 2005 Rainbow Trout 1,500 7.4 in avg Giant Springs Trout Hatchery
June 3, 2003 Rainbow Trout 1,500 6.8 in avg Giant Springs Trout Hatchery
June 14, 2000 Walleye 2,000 1.2 in avg Miles City Fish Hatchery
June 8, 2000 Rainbow Trout 1,500 6.6000000000000005 in avg Giant Springs Trout Hatchery
June 28, 1999 Walleye 2,000 2 in avg Miles City Fish Hatchery
June 3, 1999 Rainbow Trout 1,500 6.5 in avg Giant Springs Trout Hatchery
September 22, 1998 Walleye 1,500 2.8000000000000003 in avg Miles City Fish Hatchery
June 5, 1998 Rainbow Trout 2,054 3.2 in avg Big Springs Trout Hatchery
July 7, 1997 Rainbow Trout 2,000 3.8000000000000003 in avg Giant Springs Trout Hatchery
July 11, 1996 Rainbow Trout 2,200 3.8000000000000003 in avg Giant Springs Trout Hatchery
May 11, 1995 Rainbow Trout 2,000 3.8000000000000003 in avg Giant Springs Trout Hatchery
May 3, 1994 Rainbow Trout 2,000 4.4 in avg Giant Springs Trout Hatchery
May 11, 1993 Rainbow Trout 2,000 3.9 in avg Giant Springs Trout Hatchery
April 15, 1992 Rainbow Trout 2,000 4.5 in avg Giant Springs Trout Hatchery
May 14, 1991 Rainbow Trout 2,000 4.7 in avg Giant Springs Trout Hatchery
April 19, 1990 Rainbow Trout 2,000 4.1 in avg Giant Springs Trout Hatchery
June 6, 1989 Rainbow Trout 2,002 4.8 in avg Giant Springs Trout Hatchery
April 14, 1988 Rainbow Trout 2,001 4.5 in avg Giant Springs Trout Hatchery
April 14, 1987 Rainbow Trout 2,082 4.2 in avg Giant Springs Trout Hatchery
April 23, 1986 Rainbow Trout 2,008 5 in avg Giant Springs Trout Hatchery
April 15, 1985 Rainbow Trout 2,023 4 in avg Big Springs Trout Hatchery
April 19, 1984 Rainbow Trout 2,000 5 in avg Giant Springs Trout Hatchery
April 26, 1983 Rainbow Trout 2,041 3 in avg Giant Springs Trout Hatchery
May 5, 1982 Rainbow Trout 2,009 5 in avg Giant Springs Trout Hatchery
June 19, 1981 Rainbow Trout 2,002 6 in avg Giant Springs Trout Hatchery
April 21, 1980 Rainbow Trout 2,080 7 in avg Giant Springs Trout Hatchery
May 15, 1979 Rainbow Trout 2,002 6 in avg Giant Springs Trout Hatchery
May 11, 1978 Rainbow Trout 2,030 4 in avg Giant Springs Trout Hatchery
April 7, 1977 Rainbow Trout 2,187 6 in avg Giant Springs Trout Hatchery
April 23, 1976 Rainbow Trout 2,000 5 in avg Giant Springs Trout Hatchery
May 15, 1975 Rainbow Trout 2,012 5 in avg Giant Springs Trout Hatchery
April 16, 1974 Rainbow Trout 2,128 5 in avg Giant Springs Trout Hatchery
May 2, 1973 Rainbow Trout 1,590 4 in avg Giant Springs Trout Hatchery
June 14, 1972 Rainbow Trout 3,100 4 in avg Giant Springs Trout Hatchery
May 15, 1972 Walleye 30,000 Wild
September 30, 1971 Rainbow Trout 883 14 in avg Jocko River Trout Hatchery
May 13, 1971 Rainbow Trout 3,040 4 in avg Giant Springs Trout Hatchery
June 5, 1970 Rainbow Trout 3,055 3 in avg Giant Springs Trout Hatchery
May 26, 1969 Rainbow Trout 3,520 4 in avg Giant Springs Trout Hatchery
April 12, 1968 Rainbow Trout 5,005 3 in avg Giant Springs Trout Hatchery
May 19, 1967 Rainbow Trout 6,000 4 in avg Giant Springs Trout Hatchery
April 18, 1966 Rainbow Trout 2,640 4 in avg Big Springs Trout Hatchery
July 30, 1965 Rainbow Trout 1,250 10 in avg Big Springs Trout Hatchery
April 22, 1965 Rainbow Trout 1,800 8 in avg Big Springs Trout Hatchery
August 12, 1964 Rainbow Trout 1,500 9 in avg Big Springs Trout Hatchery
April 15, 1964 Rainbow Trout 2,580 9 in avg Big Springs Trout Hatchery
April 10, 1963 Rainbow Trout 2,336 7 in avg Big Springs Trout Hatchery
July 24, 1962 Rainbow Trout 8,000 4 in avg Big Springs Trout Hatchery
May 4, 1960 Rainbow Trout 10,080 3 in avg Big Springs Trout Hatchery
September 10, 1959 Rainbow Trout 6,030 2 in avg Big Springs Trout Hatchery
May 1, 1959 Rainbow Trout 2,937 3 in avg Big Springs Trout Hatchery
May 15, 1958 Rainbow Trout 8,976 1 in avg Big Springs Trout Hatchery
October 3, 1957 Largemouth Bass 8,000 3 in avg Miles City - Federal
October 18, 1955 Rainbow Trout 9,009 2 in avg Big Springs Trout Hatchery
October 18, 1955 Rainbow Trout 9,009 2 in avg Big Springs Trout Hatchery
September 16, 1954 Rainbow Trout 13,416 1 in avg Big Springs Trout Hatchery
August 23, 1954 Rainbow Trout 4,320 1 in avg Big Springs Trout Hatchery
June 26, 1952 Kokanee 1,500 Polsen
April 28, 1952 Rainbow Trout 9,820 1 in avg Big Springs Trout Hatchery
July 2, 1951 Rainbow Trout 960 6 in avg Big Springs Trout Hatchery
April 24, 1951 Rainbow Trout 1,120 6 in avg Big Springs Trout Hatchery
April 24, 1951 Kokanee 1,200 Flathead Lake Salmon Hatchery
April 23, 1951 Rainbow Trout 1,400 6 in avg Big Springs Trout Hatchery
September 13, 1950 Rainbow Trout 19,640 2 in avg Big Springs Trout Hatchery
July 24, 1950 Rainbow Trout 19,640 1 in avg Big Springs Trout Hatchery
June 14, 1950 Rainbow Trout 960 7 in avg Big Springs Trout Hatchery
May 16, 1950 Rainbow Trout 840 6 in avg Big Springs Trout Hatchery
October 4, 1949 Cutthroat Trout 920 7 in avg Big Springs Trout Hatchery
June 10, 1949 Rainbow Trout 1,540 6 in avg Big Springs Trout Hatchery
April 26, 1949 Rainbow Trout 2,640 5 in avg Big Springs Trout Hatchery
April 26, 1949 Rainbow Trout 2,640 5 in avg Big Springs Trout Hatchery
August 29, 1947 Rainbow Trout 350 Big Springs Trout Hatchery
August 9, 1947 Rainbow Trout 1,070 5 in avg Big Springs Trout Hatchery
June 12, 1947 Rainbow Trout 3,300 5 in avg Big Springs Trout Hatchery
June 6, 1947 Rainbow Trout 3,000 5 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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