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Butterfly Lake Fish Stocking

DUCHESNE County, Utah · 1970–2026 on record

Source: Utah DWR — Fish Stocking Report· updated 2026-07-16

According to Utah DWR — Fish Stocking Report, Butterfly Lake was last stocked July 16, 2026 with Rainbow Trout. Butterfly Lake has 745 stocking records on file, spanning 1970–2026, with about 366,978 fish stocked over that period.

July 16, 2026
Last stocked
366,978
Fish stocked
4
Species
745
Stocking records

When Butterfly Lake is stocked

Butterfly Lake is typically stocked in summer, most often in July — 182 stocking events in that peak month.

How Butterfly Lake's stockings spread across the calendar year, based on the 500 most recent records.

Nearby stocked waters

Other stocked waters near Butterfly Lake, freshest activity first.

Pass Lake

2 mi

DUCHESNE County · 4 species · 759 records

Last stocked July 2026

Mirror Lake

2 mi

DUCHESNE County · 4 species · 890 records

Last stocked July 2026

Scout Lake

1 mi

DUCHESNE County · 4 species · 235 records

Last stocked July 2026

Lofty Lake

2 mi

SUMMIT County · 2 species · 25 records

Last stocked September 2025

Kamas Reservoir

2 mi

SUMMIT County · 2 species · 26 records

Last stocked July 2025

Bud Lake

0 mi

DUCHESNE County · 2 species · 47 records

Last stocked June 2025

Stocking history

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

DateSpeciesNumberSizeSource
July 16, 2026Rainbow Trout30010.77"Utah DWR
July 8, 2026Rainbow Trout14910.98"Utah DWR
July 8, 2026Rainbow Trout14910.98"Utah DWR
June 29, 2026Rainbow Trout30010.5"Utah DWR
June 24, 2026Rainbow Trout6029.82"Utah DWR
June 24, 2026Brook Trout4962.99"Utah DWR
June 10, 2026Rainbow Trout30210.14"Utah DWR
June 8, 2026Rainbow Trout30010.14"Utah DWR
Show 42 more stocking records →
DateSpeciesNumberSizeSource
June 3, 2026Tiger Trout2989.89"Utah DWR
September 4, 2025Rainbow Trout30110.96"Utah DWR
September 2, 2025Rainbow Trout30012.77"Utah DWR
August 14, 2025Tiger Trout25011.26"Utah DWR
August 11, 2025Rainbow Trout31212.44"Utah DWR
August 4, 2025Rainbow Trout15012.95"Utah DWR
August 4, 2025Rainbow Trout15012.95"Utah DWR
July 29, 2025Rainbow Trout35112.44"Utah DWR
July 21, 2025Rainbow Trout35010.77"Utah DWR
July 14, 2025Rainbow Trout35210.44"Utah DWR
July 11, 2025Brook Trout1,3593.6"Utah DWR
July 10, 2025Tiger Trout30011.08"Utah DWR
July 9, 2025Rainbow Trout35010.77"Utah DWR
July 7, 2025Rainbow Trout35010.77"Utah DWR
June 25, 2025Tiger Trout29811.08"Utah DWR
June 24, 2025Rainbow Trout34810.14"Utah DWR
June 17, 2025Rainbow Trout27710.6"Utah DWR
June 17, 2025Rainbow Trout7810.6"Utah DWR
August 28, 2023Rainbow Trout20012.13"Utah DWR
August 22, 2023Tiger Trout3009.41"Utah DWR
August 21, 2023Rainbow Trout20012.13"Utah DWR
August 14, 2023Rainbow Trout30011.65"Utah DWR
August 14, 2023Tiger Trout2019.41"Utah DWR
August 7, 2023Rainbow Trout31512.13"Utah DWR
August 2, 2023Rainbow Trout30112.13"Utah DWR
August 1, 2023Rainbow Trout3029.52"Utah DWR
July 25, 2023Rainbow Trout30511.99"Utah DWR
July 18, 2023Tiger Trout3049.21"Utah DWR
July 18, 2023Rainbow Trout30111.26"Utah DWR
July 17, 2023Brook Trout4942.68"Utah DWR
July 11, 2023Rainbow Trout29811.26"Utah DWR
July 5, 2023Tiger Trout3049.21"Utah DWR
July 3, 2023Rainbow Trout30611.26"Utah DWR
June 29, 2023Rainbow Trout29611.6"Utah DWR
June 29, 2023Tiger Trout3009.41"Utah DWR
August 29, 2022Rainbow Trout20010.28"Utah DWR
August 23, 2022Rainbow Trout20010.28"Utah DWR
August 16, 2022Tiger Trout3029.63"Utah DWR
August 15, 2022Rainbow Trout30010"Utah DWR
August 8, 2022Rainbow Trout30010"Utah DWR
August 2, 2022Tiger Trout3009.41"Utah DWR
August 1, 2022Rainbow Trout30010"Utah DWR

Showing 50 of 500 stocking records.

Frequently asked

When was Butterfly Lake last stocked?

According to Utah DWR — Fish Stocking Report, Butterfly Lake was last stocked July 16, 2026 with Rainbow Trout.

What fish species are stocked in Butterfly Lake?

Butterfly Lake is stocked with Rainbow Trout, Brook Trout, Tiger Trout, and Arctic Grayling.

What time of year is Butterfly Lake stocked?

Butterfly Lake is typically stocked in summer, most often in July.

How often is Butterfly Lake stocked?

Butterfly Lake has been stocked about 13 times a year — 745 recorded stockings between 1970 and 2026.

How many fish have been stocked in Butterfly Lake?

About 366,978 fish have been stocked in Butterfly Lake across 745 recorded events since 1970, per Utah fish & wildlife agency.

What size are the fish stocked in Butterfly Lake?

Fish stocked in Butterfly Lake average about 9.6 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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