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Idaho stocking report

Mosquito Flat Reservoir

178 records Last stocked: July 7, 2026

The short answer

Mosquito Flat Reservoir was last stocked on July 7, 2026: 1,029 Triploid Rainbow Trout (Catchable (6+ inches)).

County
Custer
Species on record
Triploid Rainbow Trout, Kokanee - Triploid, Kokanee, Chinook Salmon, Westslope Cutthroat Trout, Rainbow Trout, Steelhead, Bull Trout
Records
178 stocking events
Official source
Idaho Department of Fish and Game report

Location map

Mosquito Flat Reservoir location context

Approximate · county context
Ada County Adams County Bannock County Bear Lake County Benewah County Bingham County Blaine County Boise County Bonner County Bonneville County Boundary County Butte County Camas County Canyon County Caribou County Cassia County Clark County Clearwater County Custer County Elmore County Franklin County Fremont County Gem County Gooding County Idaho County Jefferson County Jerome County Kootenai County Latah County Lemhi County Lewis County Lincoln County Madison County Minidoka County Nez Perce County Oneida County Owyhee County Payette County Power County Shoshone County Teton County Twin Falls County Valley County Washington County ID Mosquito Flat Reservoir, Custer County Mosquito Flat Reservoir Stanley Lake, Custer County Stanley Lake Yankee Fork Dredge Pond 1, Custer County Yankee Fork Dredge Pond 1 Yankee Fork Dredge Pond 4, Custer County Yankee Fork Dredge Pond 4 Valley Creek, Custer County Valley Creek Wildhorse Creek, Custer County Wildhorse Creek Cape Horn Lake #1, Custer County Cape Horn Lake #1 Corral Lake, Custer County Corral Lake Sawtooth Kids Pond, Custer County Sawtooth Kids Pond Custer County
Mosquito Flat ReservoirCuster County Stanley LakeCuster County Yankee Fork Dredge Pond 1Custer County Yankee Fork Dredge Pond 4Custer County Valley CreekCuster 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

DateSpeciesFishSize
July 7, 2026 Triploid Rainbow Trout 1,029 Catchable (6+ inches)
June 8, 2026 Kokanee - Triploid 5,763 Fry (0-3 inches)
June 8, 2026 Triploid Rainbow Trout 1,992 Catchable (12-14 inches)
September 24, 2025 Triploid Rainbow Trout 58,500 Fingerling (3-6 inches)
September 2, 2025 Triploid Rainbow Trout 1,674 Catchable (6+ inches)
July 9, 2025 Triploid Rainbow Trout 1,032 Catchable (6+ inches)
June 4, 2025 Triploid Rainbow Trout 2,014 Catchable (6+ inches)
August 1, 2024 Triploid Rainbow Trout 1,343 Catchable (12-14 inches)
July 18, 2024 Triploid Rainbow Trout 32 Catchable (12-14 inches)
July 18, 2024 Triploid Rainbow Trout 668 Catchable (12-14 inches)
June 10, 2024 Triploid Rainbow Trout 1,015 Catchable (12-14 inches)
September 27, 2023 Triploid Rainbow Trout 1,210 Catchable (12-14 inches)
September 6, 2023 Triploid Rainbow Trout 1,207 Catchable (12-14 inches)
July 28, 2023 Triploid Rainbow Trout 1,051 Catchable (12-14 inches)
July 3, 2023 Kokanee - Triploid 9,241 Fry (0-3 inches)
June 29, 2023 Triploid Rainbow Trout 1,068 Catchable (12-14 inches)
July 11, 2022 Triploid Rainbow Trout 1,015 Catchable (12-14 inches)
June 8, 2022 Triploid Rainbow Trout 1,006 Catchable (12-14 inches)
June 2, 2022 Kokanee 7,212 Fry (0-3 inches)
May 19, 2022 Triploid Rainbow Trout 1,008 Catchable (12-14 inches)
August 23, 2021 Triploid Rainbow Trout 2,236 Catchable (6+ inches)
August 6, 2021 Chinook Salmon 184 Sub-Catchable (6-8 inches)
July 23, 2021 Chinook Salmon 67 Sub-Catchable (6-8 inches)
July 8, 2021 Chinook Salmon 250 Sub-Catchable (6-8 inches)
July 8, 2021 Triploid Rainbow Trout 2,114 Catchable (12-14 inches)
June 14, 2021 Kokanee - Triploid 16,603 Fry (0-3 inches)
June 11, 2021 Triploid Rainbow Trout 2,122 Catchable (12-14 inches)
September 25, 2020 Triploid Rainbow Trout 1,500 Catchable (6+ inches)
July 10, 2020 Triploid Rainbow Trout 1,000 Catchable (6+ inches)
June 19, 2020 Kokanee 9,081 Fry (0-3 inches)
May 26, 2020 Triploid Rainbow Trout 1,078 Catchable (12-14 inches)
May 26, 2020 Triploid Rainbow Trout 924 Catchable (12-14 inches)
October 24, 2019 Triploid Rainbow Trout 286 Catchable (12-14 inches)
October 24, 2019 Triploid Rainbow Trout 833 Catchable (6+ inches)
October 2, 2019 Triploid Rainbow Trout 1,008 Catchable (12-14 inches)
June 11, 2019 Triploid Rainbow Trout 1,499 Catchable (12-14 inches)
May 31, 2019 Triploid Rainbow Trout 1,549 Catchable (12-14 inches)
August 24, 2018 Triploid Rainbow Trout 1,500 Catchable (6+ inches)
August 24, 2018 Triploid Rainbow Trout 496 Catchable (12-14 inches)
July 13, 2018 Triploid Rainbow Trout 901 Catchable (12-14 inches)
June 13, 2018 Triploid Rainbow Trout 1,800 Catchable (12-14 inches)
June 5, 2018 Kokanee 6,020 Fry (0-3 inches)
July 10, 2017 Triploid Rainbow Trout 1,221 Catchable (6+ inches)
June 21, 2017 Triploid Rainbow Trout 1,238 Catchable (6+ inches)
May 25, 2017 Triploid Rainbow Trout 900 Catchable (6+ inches)
August 22, 2016 Triploid Rainbow Trout 604 Catchable (6+ inches)
July 21, 2016 Triploid Rainbow Trout 906 Catchable (6+ inches)
June 24, 2016 Triploid Rainbow Trout 901 Catchable (6+ inches)
June 9, 2016 Kokanee 7,054 Fingerling (3-6 inches)
August 13, 2015 Triploid Rainbow Trout 998 Catchable (6+ inches)
July 16, 2015 Triploid Rainbow Trout 1,501 Catchable (6+ inches)
June 25, 2015 Triploid Rainbow Trout 1,502 Catchable (6+ inches)
May 29, 2015 Triploid Rainbow Trout 1,652 Catchable (6+ inches)
August 21, 2014 Triploid Rainbow Trout 999 Catchable (6+ inches)
July 24, 2014 Triploid Rainbow Trout 1,562 Catchable (6+ inches)
June 27, 2014 Triploid Rainbow Trout 1,661 Catchable (6+ inches)
May 16, 2014 Triploid Rainbow Trout 1,500 Catchable (6+ inches)
October 19, 2013 Triploid Rainbow Trout 100 Catchable (6+ inches)
October 19, 2013 Triploid Rainbow Trout 900 Catchable (6+ inches)
June 26, 2013 Triploid Rainbow Trout 1,500 Catchable (6+ inches)
May 23, 2013 Triploid Rainbow Trout 1,513 Catchable (6+ inches)
July 28, 2012 Triploid Rainbow Trout 1,500 Catchable (6+ inches)
June 21, 2012 Triploid Rainbow Trout 1,524 Catchable (6+ inches)
May 24, 2012 Triploid Rainbow Trout 1,507 Catchable (6+ inches)
October 13, 2011 Westslope Cutthroat Trout 9,827 Fry (0-3 inches)
October 13, 2011 Triploid Rainbow Trout 1,001 Catchable (6+ inches)
July 14, 2011 Triploid Rainbow Trout 1,500 Catchable (6+ inches)
June 17, 2011 Triploid Rainbow Trout 1,627 Catchable (6+ inches)
May 26, 2011 Triploid Rainbow Trout 1,501 Catchable (6+ inches)
October 8, 2010 Triploid Rainbow Trout 2,099 Catchable (6+ inches)
July 1, 2010 Triploid Rainbow Trout 1,506 Catchable (6+ inches)
June 10, 2010 Triploid Rainbow Trout 1,519 Catchable (6+ inches)
May 25, 2010 Triploid Rainbow Trout 1,506 Catchable (6+ inches)
September 17, 2009 Triploid Rainbow Trout 1,040 Catchable (6+ inches)
July 14, 2009 Triploid Rainbow Trout 1,540 Catchable (6+ inches)
June 24, 2009 Triploid Rainbow Trout 3,036 Catchable (6+ inches)
June 23, 2008 Triploid Rainbow Trout 3,640 Catchable (6+ inches)
May 20, 2008 Triploid Rainbow Trout 1,501 Catchable (6+ inches)
July 6, 2007 Triploid Rainbow Trout 1,500 Catchable (6+ inches)
June 21, 2007 Triploid Rainbow Trout 1,496 Catchable (6+ inches)
June 1, 2007 Triploid Rainbow Trout 1,615 Catchable (6+ inches)
October 13, 2006 Triploid Rainbow Trout 900 Catchable (6+ inches)
July 14, 2006 Triploid Rainbow Trout 1,530 Catchable (6+ inches)
June 20, 2006 Triploid Rainbow Trout 1,520 Catchable (6+ inches)
May 24, 2006 Triploid Rainbow Trout 1,523 Catchable (6+ inches)
July 14, 2005 Triploid Rainbow Trout 1,530 Catchable (6+ inches)
June 13, 2005 Triploid Rainbow Trout 1,500 Catchable (6+ inches)
May 31, 2005 Triploid Rainbow Trout 1,530 Catchable (6+ inches)
July 20, 2004 Triploid Rainbow Trout 1,553 Catchable (6+ inches)
June 29, 2004 Triploid Rainbow Trout 1,575 Catchable (6+ inches)
June 17, 2004 Triploid Rainbow Trout 1,450 Catchable (6+ inches)
October 24, 2003 Triploid Rainbow Trout 1,020 Catchable (6+ inches)
July 15, 2003 Triploid Rainbow Trout 1,560 Catchable (6+ inches)
June 23, 2003 Triploid Rainbow Trout 1,520 Catchable (6+ inches)
May 27, 2003 Triploid Rainbow Trout 1,503 Catchable (6+ inches)
October 17, 2002 Rainbow Trout 2,080 Catchable (6+ inches)
September 27, 2002 Rainbow Trout 1,008 Catchable (6+ inches)
July 16, 2002 Rainbow Trout 1,500 Catchable (6+ inches)
June 18, 2002 Rainbow Trout 1,500 Catchable (6+ inches)
May 30, 2002 Rainbow Trout 1,575 Catchable (6+ inches)
October 2, 2001 Rainbow Trout 1,680 Catchable (6+ inches)
July 3, 2001 Rainbow Trout 1,499 Catchable (6+ inches)
June 7, 2001 Rainbow Trout 1,559 Catchable (6+ inches)
May 14, 2001 Rainbow Trout 1,520 Catchable (6+ inches)
July 17, 2000 Rainbow Trout 1,200 Catchable (6+ inches)
June 12, 2000 Rainbow Trout 1,500 Catchable (6+ inches)
June 5, 2000 Steelhead 400 Catchable (6+ inches)
May 23, 2000 Rainbow Trout 1,500 Catchable (6+ inches)
August 23, 1999 Rainbow Trout 5,500 Fry (0-3 inches)
July 12, 1999 Rainbow Trout 598 Catchable (6+ inches)
June 30, 1999 Rainbow Trout 11,948 Fingerling (3-6 inches)
June 16, 1999 Rainbow Trout 935 Catchable (6+ inches)
June 8, 1999 Steelhead 1,570 Catchable (6+ inches)
June 8, 1999 Steelhead 4,500 Fingerling (3-6 inches)
May 27, 1999 Rainbow Trout 1,275 Catchable (6+ inches)
September 1, 1998 Rainbow Trout 2,725 Fingerling (3-6 inches)
August 27, 1998 Rainbow Trout 1,396 Catchable (6+ inches)
August 12, 1998 Rainbow Trout 5,069 Fingerling (3-6 inches)
July 6, 1998 Rainbow Trout 1,500 Catchable (6+ inches)
May 28, 1998 Rainbow Trout 3,033 Catchable (6+ inches)
May 19, 1998 Steelhead 3,000 Catchable (6+ inches)
October 3, 1997 Rainbow Trout 2,700 Catchable (6+ inches)
July 14, 1997 Rainbow Trout 1,740 Catchable (6+ inches)
June 27, 1997 Rainbow Trout 10,175 Fingerling (3-6 inches)
June 17, 1997 Rainbow Trout 1,500 Catchable (6+ inches)
May 23, 1997 Rainbow Trout 1,551 Catchable (6+ inches)
October 3, 1996 Rainbow Trout 1,000 Catchable (6+ inches)
July 16, 1996 Rainbow Trout 1,500 Catchable (6+ inches)
June 19, 1996 Rainbow Trout 10,008 Fingerling (3-6 inches)
June 18, 1996 Rainbow Trout 1,500 Catchable (6+ inches)
June 10, 1996 Rainbow Trout 1,550 Catchable (6+ inches)
September 21, 1995 Rainbow Trout 2,000 Catchable (6+ inches)
September 19, 1995 Rainbow Trout 950 Adults
July 18, 1995 Rainbow Trout 1,560 Catchable (6+ inches)
June 21, 1995 Rainbow Trout 900 Adults
June 14, 1995 Rainbow Trout 10,000 Fingerling (3-6 inches)
June 12, 1995 Rainbow Trout 1,582 Catchable (6+ inches)
May 24, 1995 Rainbow Trout 1,561 Catchable (6+ inches)
October 11, 1994 Rainbow Trout 8,416 Catchable (6+ inches)
September 14, 1994 Rainbow Trout 1,000 Catchable (6+ inches)
June 6, 1994 Rainbow Trout 2,062 Catchable (6+ inches)
May 27, 1994 Rainbow Trout 1,000 Catchable (6+ inches)
May 19, 1994 Rainbow Trout 7,500 Fingerling (3-6 inches)
August 5, 1993 Bull Trout 416 Catchable (6+ inches)
May 24, 1993 Rainbow Trout 2,000 Catchable (6+ inches)
May 26, 1992 Rainbow Trout 2,200 Catchable (6+ inches)
June 13, 1991 Rainbow Trout 2,100 Catchable (6+ inches)
June 9, 1990 Rainbow Trout 1,000 Catchable (6+ inches)
May 16, 1990 Rainbow Trout 1,000 Catchable (6+ inches)
June 8, 1989 Rainbow Trout 1,980 Catchable (6+ inches)
May 23, 1989 Rainbow Trout 2,100 Catchable (6+ inches)
May 25, 1988 Rainbow Trout 1,980 Catchable (6+ inches)
May 15, 1987 Rainbow Trout 2,160 Catchable (6+ inches)
May 19, 1986 Rainbow Trout 2,023 Catchable (6+ inches)
May 17, 1985 Rainbow Trout 1,140 Catchable (6+ inches)
May 17, 1985 Rainbow Trout 870 Catchable (6+ inches)
June 14, 1984 Rainbow Trout 870 Catchable (6+ inches)
May 23, 1984 Rainbow Trout 1,260 Catchable (6+ inches)
June 8, 1983 Rainbow Trout 2,004 Catchable (6+ inches)
July 20, 1982 Rainbow Trout 2,268 Catchable (6+ inches)
June 10, 1982 Rainbow Trout 2,795 Catchable (6+ inches)
June 2, 1981 Rainbow Trout 2,040 Catchable (6+ inches)
May 20, 1980 Rainbow Trout 3,200 Catchable (6+ inches)
September 8, 1979 Rainbow Trout 4,001 Fry (0-3 inches)
July 27, 1979 Rainbow Trout 1,600 Catchable (6+ inches)
July 27, 1979 Rainbow Trout 8,220 Fry (0-3 inches)
June 6, 1979 Rainbow Trout 1,440 Catchable (6+ inches)
June 14, 1978 Rainbow Trout 3,190 Catchable (6+ inches)
June 28, 1977 Rainbow Trout 2,600 Catchable (6+ inches)
June 27, 1977 Rainbow Trout 480 Catchable (6+ inches)
May 27, 1976 Rainbow Trout 5,080 Catchable (6+ inches)
June 12, 1975 Rainbow Trout 5,070 Catchable (6+ inches)
May 22, 1974 Rainbow Trout 2,160 Catchable (6+ inches)
June 6, 1972 Rainbow Trout 4,840 Catchable (6+ inches)
May 26, 1971 Rainbow Trout 5,000 Catchable (6+ inches)
June 1, 1970 Rainbow Trout 5,040 Catchable (6+ inches)
May 22, 1969 Rainbow Trout 5,015 Catchable (6+ inches)
May 22, 1968 Rainbow Trout 5,130 Catchable (6+ inches)

Records shown exactly as published by Idaho Department of Fish and Game. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.

Data source: Idaho Department of Fish and Game. Last updated: .

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