StockerTroutFishing

Idaho stocking report

Arrowrock Reservoir

259 records Last stocked: May 21, 2026

The short answer

Arrowrock Reservoir was last stocked on May 21, 2026: 201,217 Kokanee (Fingerling (3-6 inches)).

County
Boise
Species on record
Kokanee, Triploid Rainbow Trout, Rainbow Trout, Steelhead, Chinook Salmon - Fall, Cutbow - Cutthroat x Rainbow Trout - Diploid, Cutbow (Cutthroat × Rainbow Trout), Coho Salmon
Records
259 stocking events
Official source
Idaho Department of Fish and Game report

Location map

Arrowrock 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 Arrowrock Reservoir, Boise County Arrowrock Reservoir North Fork Boise River, Boise County North Fork Boise River Middle Fork Payette River, Boise County Middle Fork Payette River Lowman Ponds, Boise County Lowman Ponds Horseshoe Bend Mill Pond, Boise County Horseshoe Bend Mill Pond North Fork Payette River, Boise County North Fork Payette River Bull Trout Lake, Boise County Bull Trout Lake Martin Lake, Boise County Martin Lake Unnamed Lake, Boise County Unnamed Lake Boise 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
May 21, 2026 Kokanee 201,217 Fingerling (3-6 inches)
March 16, 2026 Triploid Rainbow Trout 9,086 Catchable (6+ inches)
September 18, 2025 Triploid Rainbow Trout 9,000 Catchable (6+ inches)
May 30, 2025 Triploid Rainbow Trout 41,440 Fingerling (3-6 inches)
May 30, 2025 Triploid Rainbow Trout 45,518 Fingerling (3-6 inches)
May 30, 2025 Triploid Rainbow Trout 50,180 Fry (0-3 inches)
May 15, 2025 Kokanee 303,030 Fry (0-3 inches)
April 1, 2025 Triploid Rainbow Trout 9,010 Catchable (12-14 inches)
March 20, 2025 Triploid Rainbow Trout 12,546 Catchable (6+ inches)
October 21, 2024 Triploid Rainbow Trout 9,030 Catchable (12-14 inches)
May 30, 2024 Kokanee 455,423 Fry (0-3 inches)
March 28, 2024 Triploid Rainbow Trout 747 Catchable (12-14 inches)
March 27, 2024 Triploid Rainbow Trout 8,255 Catchable (12-14 inches)
October 17, 2023 Triploid Rainbow Trout 6,545 Catchable (12-14 inches)
October 16, 2023 Triploid Rainbow Trout 1,920 Catchable (12-14 inches)
October 16, 2023 Triploid Rainbow Trout 600 Catchable (12-14 inches)
June 1, 2023 Kokanee 202,129 Fry (0-3 inches)
April 7, 2023 Triploid Rainbow Trout 1,211 Catchable (12-14 inches)
April 7, 2023 Triploid Rainbow Trout 1,384 Catchable (12-14 inches)
April 6, 2023 Triploid Rainbow Trout 3,675 Catchable (12-14 inches)
March 28, 2023 Triploid Rainbow Trout 2,886 Catchable (12-14 inches)
October 20, 2022 Triploid Rainbow Trout 9,010 Catchable (12-14 inches)
June 2, 2022 Kokanee 32,670 Fingerling (3-6 inches)
June 2, 2022 Kokanee 65,549 Fry (0-3 inches)
April 6, 2022 Triploid Rainbow Trout 884 Catchable (12-14 inches)
April 5, 2022 Triploid Rainbow Trout 75 Catchable (12-14 inches)
April 5, 2022 Rainbow Trout 75 Catchable (12-14 inches)
April 4, 2022 Triploid Rainbow Trout 1,260 Catchable (12-14 inches)
April 4, 2022 Triploid Rainbow Trout 518 Catchable (12-14 inches)
April 4, 2022 Rainbow Trout 2,650 Catchable (12-14 inches)
April 4, 2022 Rainbow Trout 3,762 Catchable (12-14 inches)
October 13, 2021 Triploid Rainbow Trout 11,520 Catchable (12-14 inches)
October 13, 2021 Triploid Rainbow Trout 9,040 Catchable (12-14 inches)
June 3, 2021 Kokanee 47,500 Fingerling (3-6 inches)
June 3, 2021 Kokanee 94,800 Fry (0-3 inches)
April 8, 2021 Triploid Rainbow Trout 1,441 Catchable (12-14 inches)
April 7, 2021 Triploid Rainbow Trout 7,616 Catchable (12-14 inches)
November 12, 2020 Triploid Rainbow Trout 5,434 Fingerling (3-6 inches)
November 12, 2020 Triploid Rainbow Trout 7,450 Fingerling (3-6 inches)
October 2, 2020 Triploid Rainbow Trout 4,371 Catchable (12-14 inches)
October 1, 2020 Triploid Rainbow Trout 4,653 Catchable (12-14 inches)
June 3, 2020 Kokanee 49,280 Fingerling (3-6 inches)
June 3, 2020 Kokanee 98,745 Fingerling (3-6 inches)
March 16, 2020 Triploid Rainbow Trout 8,064 Catchable (12-14 inches)
October 15, 2019 Triploid Rainbow Trout 9,361 Catchable (12-14 inches)
October 9, 2019 Triploid Rainbow Trout 473 Catchable (12-14 inches)
October 8, 2019 Triploid Rainbow Trout 810 Catchable (12-14 inches)
June 5, 2019 Kokanee 100,644 Fry (0-3 inches)
April 22, 2019 Kokanee 129,360 Fry (0-3 inches)
April 22, 2019 Kokanee 81,550 Fry (0-3 inches)
April 3, 2019 Triploid Rainbow Trout 10,614 Catchable (12-14 inches)
October 26, 2018 Triploid Rainbow Trout 10,001 Catchable (12-14 inches)
September 24, 2018 Triploid Rainbow Trout 13,231 Catchable (6+ inches)
June 13, 2018 Kokanee 98,580 Fry (0-3 inches)
October 2, 2017 Triploid Rainbow Trout 4,284 Catchable (6+ inches)
October 2, 2017 Triploid Rainbow Trout 5,940 Catchable (6+ inches)
June 7, 2017 Kokanee 103,579 Fingerling (3-6 inches)
October 27, 2016 Triploid Rainbow Trout 12,627 Catchable (6+ inches)
May 4, 2016 Kokanee 99,992 Fingerling (3-6 inches)
October 28, 2015 Triploid Rainbow Trout 4,457 Catchable (6+ inches)
October 28, 2015 Triploid Rainbow Trout 797 Catchable (6+ inches)
October 8, 2015 Triploid Rainbow Trout 8,134 Catchable (6+ inches)
May 13, 2015 Kokanee 101,198 Fingerling (3-6 inches)
October 30, 2014 Triploid Rainbow Trout 400 Catchable (6+ inches)
October 23, 2014 Triploid Rainbow Trout 15,048 Catchable (6+ inches)
October 23, 2014 Triploid Rainbow Trout 797 Catchable (6+ inches)
October 8, 2014 Triploid Rainbow Trout 19,530 Catchable (6+ inches)
September 10, 2014 Triploid Rainbow Trout 6,464 Catchable (6+ inches)
May 15, 2014 Kokanee 49,955 Fry (0-3 inches)
October 24, 2013 Triploid Rainbow Trout 1,440 Catchable (6+ inches)
October 24, 2013 Triploid Rainbow Trout 4,796 Catchable (6+ inches)
October 17, 2013 Triploid Rainbow Trout 3,567 Fry (0-3 inches)
October 17, 2013 Triploid Rainbow Trout 400 Catchable (6+ inches)
October 17, 2013 Triploid Rainbow Trout 4,400 Catchable (6+ inches)
October 17, 2013 Triploid Rainbow Trout 6,600 Catchable (6+ inches)
October 9, 2013 Triploid Rainbow Trout 15,750 Catchable (6+ inches)
May 14, 2013 Triploid Rainbow Trout 13,688 Fingerling (3-6 inches)
May 13, 2013 Triploid Rainbow Trout 196 Catchable (6+ inches)
May 13, 2013 Triploid Rainbow Trout 198 Catchable (6+ inches)
May 13, 2013 Triploid Rainbow Trout 5,720 Catchable (6+ inches)
May 8, 2013 Triploid Rainbow Trout 13,828 Fingerling (3-6 inches)
May 1, 2013 Kokanee 50,160 Fry (0-3 inches)
April 30, 2013 Triploid Rainbow Trout 142,780 Fry (0-3 inches)
October 5, 2012 Triploid Rainbow Trout 400 Catchable (6+ inches)
September 14, 2012 Triploid Rainbow Trout 5,460 Catchable (6+ inches)
September 14, 2012 Triploid Rainbow Trout 6,600 Catchable (6+ inches)
September 13, 2012 Triploid Rainbow Trout 14,560 Catchable (6+ inches)
September 12, 2012 Triploid Rainbow Trout 11,760 Catchable (6+ inches)
June 27, 2012 Triploid Rainbow Trout 14,300 Catchable (6+ inches)
June 27, 2012 Triploid Rainbow Trout 9,100 Fingerling (3-6 inches)
May 2, 2012 Kokanee 50,130 Fry (0-3 inches)
April 25, 2012 Triploid Rainbow Trout 36,915 Fingerling (3-6 inches)
April 25, 2012 Triploid Rainbow Trout 4,815 Fingerling (3-6 inches)
October 14, 2011 Triploid Rainbow Trout 2,550 Catchable (6+ inches)
October 11, 2011 Triploid Rainbow Trout 17,500 Catchable (6+ inches)
June 8, 2011 Kokanee 30,000 Fry (0-3 inches)
May 9, 2011 Triploid Rainbow Trout 151,641 Fingerling (3-6 inches)
May 4, 2011 Triploid Rainbow Trout 8,670 Catchable (6+ inches)
March 21, 2011 Triploid Rainbow Trout 15,035 Catchable (6+ inches)
October 5, 2010 Triploid Rainbow Trout 5,940 Catchable (6+ inches)
October 4, 2010 Triploid Rainbow Trout 15,631 Catchable (6+ inches)
June 3, 2010 Kokanee 29,000 Fry (0-3 inches)
May 24, 2010 Triploid Rainbow Trout 40,260 Fingerling (3-6 inches)
May 6, 2010 Triploid Rainbow Trout 10,170 Fingerling (3-6 inches)
May 6, 2010 Triploid Rainbow Trout 66,600 Fingerling (3-6 inches)
March 9, 2010 Triploid Rainbow Trout 23,220 Catchable (6+ inches)
March 9, 2010 Triploid Rainbow Trout 41,272 Fingerling (3-6 inches)
March 8, 2010 Triploid Rainbow Trout 22,320 Catchable (6+ inches)
October 22, 2009 Triploid Rainbow Trout 3,780 Catchable (6+ inches)
October 9, 2009 Triploid Rainbow Trout 16,450 Catchable (6+ inches)
April 28, 2009 Triploid Rainbow Trout 150,595 Fry (0-3 inches)
October 15, 2008 Triploid Rainbow Trout 9,990 Catchable (6+ inches)
September 16, 2008 Triploid Rainbow Trout 11,900 Catchable (6+ inches)
September 4, 2008 Triploid Rainbow Trout 7,260 Catchable (6+ inches)
September 4, 2008 Triploid Rainbow Trout 9,900 Catchable (6+ inches)
April 21, 2008 Triploid Rainbow Trout 158,880 Fry (0-3 inches)
April 19, 2007 Triploid Rainbow Trout 84,960 Fingerling (3-6 inches)
April 19, 2007 Triploid Rainbow Trout 95,760 Fingerling (3-6 inches)
September 7, 2006 Triploid Rainbow Trout 14,040 Catchable (6+ inches)
May 9, 2006 Kokanee 70,000 Fingerling (3-6 inches)
April 27, 2006 Triploid Rainbow Trout 58,630 Fingerling (3-6 inches)
April 27, 2006 Triploid Rainbow Trout 91,440 Fry (0-3 inches)
October 6, 2005 Triploid Rainbow Trout 7,500 Catchable (6+ inches)
October 6, 2005 Triploid Rainbow Trout 8,000 Catchable (6+ inches)
April 19, 2005 Triploid Rainbow Trout 163,170 Fingerling (3-6 inches)
November 2, 2004 Triploid Rainbow Trout 6,270 Catchable (6+ inches)
September 24, 2004 Triploid Rainbow Trout 5,720 Catchable (6+ inches)
September 24, 2004 Triploid Rainbow Trout 6,880 Catchable (6+ inches)
September 22, 2004 Triploid Rainbow Trout 8,060 Catchable (6+ inches)
September 20, 2004 Triploid Rainbow Trout 11,200 Catchable (6+ inches)
September 17, 2004 Triploid Rainbow Trout 11,200 Catchable (6+ inches)
September 9, 2004 Triploid Rainbow Trout 9,800 Catchable (6+ inches)
September 8, 2004 Triploid Rainbow Trout 11,500 Catchable (6+ inches)
September 8, 2004 Triploid Rainbow Trout 2,600 Catchable (6+ inches)
September 7, 2004 Triploid Rainbow Trout 16,100 Catchable (6+ inches)
September 3, 2004 Triploid Rainbow Trout 14,065 Catchable (6+ inches)
June 21, 2004 Triploid Rainbow Trout 40,000 Fingerling (3-6 inches)
June 21, 2004 Triploid Rainbow Trout 51,130 Fingerling (3-6 inches)
June 15, 2004 Triploid Rainbow Trout 10,200 Catchable (6+ inches)
June 15, 2004 Triploid Rainbow Trout 7,820 Catchable (6+ inches)
June 14, 2004 Kokanee 2,580 Fingerling (3-6 inches)
June 14, 2004 Kokanee 2,640 Fingerling (3-6 inches)
June 3, 2004 Kokanee 69,225 Fingerling (3-6 inches)
May 26, 2004 Triploid Rainbow Trout 13,720 Catchable (6+ inches)
May 14, 2004 Triploid Rainbow Trout 60,639 Fingerling (3-6 inches)
May 5, 2004 Triploid Rainbow Trout 26,400 Fingerling (3-6 inches)
May 5, 2004 Triploid Rainbow Trout 52,400 Fingerling (3-6 inches)
May 4, 2004 Triploid Rainbow Trout 100,450 Fingerling (3-6 inches)
April 21, 2004 Triploid Rainbow Trout 16,800 Catchable (6+ inches)
April 25, 2002 Triploid Rainbow Trout 12,320 Fingerling (3-6 inches)
April 22, 2002 Triploid Rainbow Trout 10,180 Fingerling (3-6 inches)
April 22, 2002 Triploid Rainbow Trout 81,940 Fingerling (3-6 inches)
April 12, 2002 Triploid Rainbow Trout 14,060 Fingerling (3-6 inches)
April 9, 2002 Triploid Rainbow Trout 15,400 Fingerling (3-6 inches)
April 9, 2002 Triploid Rainbow Trout 16,000 Fingerling (3-6 inches)
April 30, 2001 Triploid Rainbow Trout 68,820 Fingerling (3-6 inches)
April 30, 2001 Triploid Rainbow Trout 81,213 Fingerling (3-6 inches)
May 17, 2000 Steelhead 13,260 Catchable (6+ inches)
May 8, 2000 Rainbow Trout 135,108 Fingerling (3-6 inches)
May 3, 1999 Rainbow Trout 27,190 Fingerling (3-6 inches)
May 3, 1999 Rainbow Trout 33,565 Fingerling (3-6 inches)
May 3, 1999 Rainbow Trout 8,055 Fingerling (3-6 inches)
June 30, 1998 Rainbow Trout 40,320 Fingerling (3-6 inches)
June 29, 1998 Rainbow Trout 82,605 Fingerling (3-6 inches)
June 16, 1998 Chinook Salmon - Fall 16,692 Fingerling (3-6 inches)
June 10, 1997 Chinook Salmon - Fall 4,965 Fingerling (3-6 inches)
June 10, 1997 Rainbow Trout 14,980 Fingerling (3-6 inches)
May 9, 1997 Rainbow Trout 124,800 Fingerling (3-6 inches)
June 26, 1996 Chinook Salmon - Fall 7,800 Fingerling (3-6 inches)
May 15, 1996 Rainbow Trout 100,700 Fingerling (3-6 inches)
April 3, 1996 Rainbow Trout 15,000 Catchable (6+ inches)
May 30, 1995 Rainbow Trout 80,000 Fingerling (3-6 inches)
April 6, 1995 Rainbow Trout 14,985 Catchable (6+ inches)
April 29, 1994 Rainbow Trout 126,100 Fingerling (3-6 inches)
April 7, 1994 Triploid Rainbow Trout 16,875 Catchable (6+ inches)
June 7, 1993 Rainbow Trout 15,480 Catchable (6+ inches)
April 28, 1993 Rainbow Trout 102,276 Fingerling (3-6 inches)
April 15, 1992 Rainbow Trout 49,400 Fingerling (3-6 inches)
April 14, 1992 Rainbow Trout 53,200 Fingerling (3-6 inches)
April 3, 1992 Rainbow Trout 105,300 Fingerling (3-6 inches)
April 2, 1992 Rainbow Trout 78,600 Fingerling (3-6 inches)
March 6, 1992 Rainbow Trout 50,000 Fingerling (3-6 inches)
December 20, 1991 Rainbow Trout 525,000 Fry (0-3 inches)
May 1, 1991 Rainbow Trout 88,920 Fingerling (3-6 inches)
November 9, 1990 Rainbow Trout 10,672 Fingerling (3-6 inches)
November 9, 1990 Rainbow Trout 25,800 Fingerling (3-6 inches)
November 9, 1990 Rainbow Trout 3,870 Fingerling (3-6 inches)
October 31, 1990 Cutbow - Cutthroat x Rainbow Trout - Diploid 36,000 Fingerling (3-6 inches)
October 31, 1990 Cutbow (Cutthroat × Rainbow Trout) 36,000 Fingerling (3-6 inches)
April 12, 1990 Rainbow Trout 39,420 Fingerling (3-6 inches)
April 12, 1990 Rainbow Trout 59,850 Fingerling (3-6 inches)
April 12, 1990 Rainbow Trout 91,980 Fingerling (3-6 inches)
April 11, 1990 Rainbow Trout 3,400 Fingerling (3-6 inches)
April 11, 1990 Rainbow Trout 67,830 Fingerling (3-6 inches)
April 10, 1990 Rainbow Trout 16,000 Fingerling (3-6 inches)
April 9, 1990 Rainbow Trout 13,320 Fingerling (3-6 inches)
April 5, 1990 Rainbow Trout 12,420 Fingerling (3-6 inches)
June 12, 1989 Rainbow Trout 10,125 Catchable (6+ inches)
April 28, 1989 Rainbow Trout 15,600 Fingerling (3-6 inches)
April 18, 1989 Rainbow Trout 162,440 Fingerling (3-6 inches)
April 17, 1989 Rainbow Trout 120,690 Fingerling (3-6 inches)
May 3, 1988 Rainbow Trout 8,610 Catchable (6+ inches)
March 23, 1987 Rainbow Trout 5,688 Catchable (6+ inches)
March 20, 1987 Rainbow Trout 6,200 Catchable (6+ inches)
March 20, 1987 Rainbow Trout 9,300 Catchable (6+ inches)
March 19, 1987 Rainbow Trout 9,600 Catchable (6+ inches)
March 16, 1987 Rainbow Trout 8,550 Catchable (6+ inches)
October 9, 1986 Rainbow Trout 7,800 Catchable (6+ inches)
October 7, 1986 Rainbow Trout 9,240 Catchable (6+ inches)
August 22, 1986 Rainbow Trout 1,110 Catchable (6+ inches)
August 22, 1986 Rainbow Trout 620 Catchable (6+ inches)
August 19, 1986 Rainbow Trout 11,100 Catchable (6+ inches)
July 31, 1986 Rainbow Trout 11,700 Catchable (6+ inches)
June 20, 1986 Rainbow Trout 6,000 Fingerling (3-6 inches)
March 20, 1986 Rainbow Trout 6,240 Catchable (6+ inches)
June 21, 1985 Rainbow Trout 6,120 Catchable (6+ inches)
May 14, 1985 Rainbow Trout 6,800 Catchable (6+ inches)
June 25, 1984 Rainbow Trout 7,380 Catchable (6+ inches)
September 13, 1982 Rainbow Trout 3,300 Catchable (6+ inches)
June 14, 1982 Rainbow Trout 8,690 Catchable (6+ inches)
April 8, 1981 Rainbow Trout 1,200 Catchable (6+ inches)
April 8, 1981 Rainbow Trout 2,400 Catchable (6+ inches)
April 8, 1981 Rainbow Trout 4,200 Catchable (6+ inches)
April 7, 1981 Rainbow Trout 4,200 Catchable (6+ inches)
April 24, 1980 Rainbow Trout 1,974 Catchable (6+ inches)
April 16, 1980 Rainbow Trout 5,040 Catchable (6+ inches)
April 1, 1980 Rainbow Trout 3,135 Catchable (6+ inches)
April 11, 1979 Rainbow Trout 5,600 Catchable (6+ inches)
April 4, 1979 Rainbow Trout 4,440 Catchable (6+ inches)
May 5, 1978 Rainbow Trout 3,150 Catchable (6+ inches)
March 6, 1978 Rainbow Trout 1,643 Catchable (6+ inches)
March 6, 1978 Rainbow Trout 5,187 Catchable (6+ inches)
May 4, 1976 Rainbow Trout 3,360 Catchable (6+ inches)
April 22, 1976 Rainbow Trout 4,080 Catchable (6+ inches)
March 19, 1975 Rainbow Trout 3,800 Catchable (6+ inches)
April 24, 1974 Rainbow Trout 3,000 Catchable (6+ inches)
April 15, 1974 Rainbow Trout 3,630 Catchable (6+ inches)
May 24, 1973 Rainbow Trout 9,250 Catchable (6+ inches)
May 18, 1973 Rainbow Trout 4,200 Catchable (6+ inches)
June 7, 1972 Rainbow Trout 7,560 Catchable (6+ inches)
May 26, 1972 Rainbow Trout 4,200 Catchable (6+ inches)
May 23, 1972 Rainbow Trout 89,667 Fry (0-3 inches)
May 22, 1972 Rainbow Trout 12,300 Fry (0-3 inches)
May 22, 1972 Rainbow Trout 34,540 Fry (0-3 inches)
March 30, 1972 Coho Salmon 120,840 Fry (0-3 inches)
March 14, 1972 Coho Salmon 91,000 Fry (0-3 inches)
April 29, 1971 Rainbow Trout 5,290 Catchable (6+ inches)
April 28, 1971 Rainbow Trout 5,520 Catchable (6+ inches)
April 7, 1971 Coho Salmon 67,950 Fry (0-3 inches)
April 7, 1971 Coho Salmon 89,000 Fry (0-3 inches)
May 13, 1970 Rainbow Trout 5,040 Catchable (6+ inches)
April 1, 1970 Rainbow Trout 4,400 Catchable (6+ inches)
March 10, 1970 Coho Salmon 164,400 Fry (0-3 inches)
July 10, 1969 Rainbow Trout 3,450 Catchable (6+ inches)
April 22, 1969 Coho Salmon 96,200 Fry (0-3 inches)
April 18, 1968 Coho Salmon 20,000 Fry (0-3 inches)
April 18, 1968 Coho Salmon 30,800 Fry (0-3 inches)
April 3, 1968 Rainbow Trout 4,000 Catchable (6+ inches)
March 12, 1968 Rainbow Trout 6,000 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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