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Koosharem Reservoir Fish Stocking

SEVIER County, Utah · 1979–2026 on record

Source: Utah DWR — Fish Stocking Report· updated 2026-03-03

According to Utah DWR — Fish Stocking Report, Koosharem Reservoir was last stocked March 3, 2026 with Rainbow Trout. Koosharem Reservoir has 283 stocking records on file, spanning 1979–2026, with about 1,524,786 fish stocked over that period.

March 3, 2026
Last stocked
1,524,786
Fish stocked
5
Species
283
Stocking records

When Koosharem Reservoir is stocked

Koosharem Reservoir is typically stocked in spring, most often in May — 69 stocking events in that peak month.

How Koosharem Reservoir's stockings spread across the calendar year.

Nearby stocked waters

Other stocked waters near Koosharem Reservoir, freshest activity first.

Fish Lake

8 mi

SEVIER County · 9 species · 1940 records

Last stocked July 2026

Aberdunk Lake Fl

9 mi

SEVIER County · 3 species · 49 records

Last stocked July 2026

Stone Lake Fl

10 mi

SEVIER County · 1 species · 43 records

Last stocked July 2026

Glenwood Pond

13 mi

SEVIER County · 3 species · 157 records

Last stocked May 2026

Otter Creek

7 mi

PIUTE County · 5 species · 90 records

Last stocked May 2026

Annabella Reservoir

9 mi

SEVIER County · 1 species · 48 records

Last stocked April 2026

Stocking history

Most recent stockings first. Dates shown at the precision the agency reported.

DateSpeciesNumberSizeSource
March 3, 2026Rainbow Trout3,0019.32"Utah DWR
March 3, 2026Rainbow Trout3,0019.32"Utah DWR
November 5, 2025Rainbow Trout1,94710.39"Utah DWR
October 21, 2025Rainbow Trout3,0097.85"Utah DWR
October 20, 2025Brook Trout83513.27"Utah DWR
October 20, 2025Rainbow Trout6,0004.92"Utah DWR
October 20, 2025Tiger Trout1,9805.46"Utah DWR
June 9, 2025Splake2,0023.5"Utah DWR
Show 42 more stocking records →
DateSpeciesNumberSizeSource
April 9, 2025Rainbow Trout1,5159.63"Utah DWR
April 2, 2025Rainbow Trout2,2409.63"Utah DWR
April 2, 2025Rainbow Trout2,2409.63"Utah DWR
March 27, 2025Cutthroat Trout5,0888.14"Utah DWR
October 28, 2024Tiger Trout2,0505.59"Utah DWR
July 11, 2024Tiger Trout2,7603.28"Utah DWR
July 8, 2024Splake2,0002.67"Utah DWR
May 15, 2024Rainbow Trout1,6799.55"Utah DWR
May 7, 2024Rainbow Trout2,1629.55"Utah DWR
May 7, 2024Rainbow Trout2,1629.55"Utah DWR
March 18, 2024Cutthroat Trout5,5558.22"Utah DWR
October 16, 2023Tiger Trout2,0015.92"Utah DWR
August 17, 2023Brook Trout2,6713.15"Utah DWR
August 17, 2023Brook Trout5,3843.34"Utah DWR
July 5, 2023Splake2,0073.65"Utah DWR
May 10, 2023Rainbow Trout2,0039.53"Utah DWR
May 3, 2023Rainbow Trout2,1989.48"Utah DWR
April 26, 2023Rainbow Trout1,8009.44"Utah DWR
April 13, 2023Cutthroat Trout1,9009.36"Utah DWR
April 13, 2023Cutthroat Trout4,1809.36"Utah DWR
April 5, 2022Rainbow Trout1,05010"Utah DWR
April 5, 2022Rainbow Trout1,05010"Utah DWR
April 1, 2022Rainbow Trout1,9509.87"Utah DWR
April 1, 2022Rainbow Trout1,9509.87"Utah DWR
March 28, 2022Cutthroat Trout5,1008.24"Utah DWR
May 4, 2021Rainbow Trout7249.42"Utah DWR
May 4, 2021Rainbow Trout7249.42"Utah DWR
May 4, 2021Rainbow Trout7249.42"Utah DWR
May 4, 2021Rainbow Trout7249.42"Utah DWR
May 4, 2021Rainbow Trout7249.42"Utah DWR
April 20, 2021Tiger Trout1,0001.05"Utah DWR
April 20, 2021Rainbow Trout2,3769.44"Utah DWR
March 29, 2021Cutthroat Trout5,1528.11"Utah DWR
March 25, 2021Rainbow Trout69515.36"Utah DWR
March 25, 2021Rainbow Trout70415.36"Utah DWR
July 6, 2020Tiger Trout1,9953.69"Utah DWR
June 15, 2020Splake2,0003.05"Utah DWR
April 28, 2020Tiger Trout3001.19"Utah DWR
April 28, 2020Tiger Trout3001.19"Utah DWR
April 22, 2020Rainbow Trout90010.56"Utah DWR
April 22, 2020Rainbow Trout90010.56"Utah DWR
April 22, 2020Rainbow Trout1,00311.02"Utah DWR

Showing 50 of 283 stocking records.

Frequently asked

When was Koosharem Reservoir last stocked?

According to Utah DWR — Fish Stocking Report, Koosharem Reservoir was last stocked March 3, 2026 with Rainbow Trout.

What fish species are stocked in Koosharem Reservoir?

Koosharem Reservoir is stocked with Rainbow Trout, Brook Trout, Tiger Trout, Splake, and Cutthroat Trout.

What time of year is Koosharem Reservoir stocked?

Koosharem Reservoir is typically stocked in spring, most often in May.

How often is Koosharem Reservoir stocked?

Koosharem Reservoir has been stocked about 6 times a year — 283 recorded stockings between 1979 and 2026.

How many fish have been stocked in Koosharem Reservoir?

About 1,524,786 fish have been stocked in Koosharem Reservoir across 283 recorded events since 1979, per Utah fish & wildlife agency.

What size are the fish stocked in Koosharem Reservoir?

Fish stocked in Koosharem Reservoir average about 7.3 inches, based on the sizes the agency reported.

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How this is calculated: compiled automatically from Utah DWR — Fish Stocking Report open data — normalized, date-validated, and shown only at the precision the agency reported. Sources & methodology →

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