StockedWaters

Big Sandwash Reservoir Fish Stocking

DUCHESNE County, Utah · 19802026 on record

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

According to Utah DWR — Fish Stocking Report, Big Sandwash Reservoir was last stocked July 16, 2026 with Walleye. Big Sandwash Reservoir has 214 stocking records on file, spanning 1980–2026, with about 8,877,988 fish stocked over that period.

July 16, 2026
Last stocked
8,877,988
Fish stocked
6
Species
214
Stocking records

When Big Sandwash Reservoir is stocked

Big Sandwash Reservoir is typically stocked in spring, most often in May — 83 stocking events in that peak month.

How Big Sandwash Reservoir's stockings spread across the calendar year.

Nearby stocked waters

Other stocked waters near Big Sandwash Reservoir, freshest activity first.

Stocking history

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

DateSpeciesNumberSizeSource
July 16, 2026Walleye4254.58"Utah DWR
May 21, 2026Rainbow Trout40013.1"Utah DWR
May 19, 2026Rainbow Trout94811.75"Utah DWR
May 19, 2026Rainbow Trout94811.75"Utah DWR
May 19, 2026Rainbow Trout94811.75"Utah DWR
May 19, 2026Rainbow Trout94811.75"Utah DWR
May 18, 2026Rainbow Trout1,12011.6"Utah DWR
May 18, 2026Rainbow Trout1,12011.6"Utah DWR
Show 42 more stocking records
DateSpeciesNumberSizeSource
October 29, 2025CUTBOW CTBL*RTWV7,4534.55"Utah DWR
June 1, 2025Rainbow Trout4,9139.6"Utah DWR
May 24, 2025Rainbow Trout4,9609.69"Utah DWR
May 17, 2025Rainbow Trout3,1699.54"Utah DWR
November 10, 2023Rainbow Trout1,10010.95"Utah DWR
May 9, 2023Rainbow Trout3,48811.18"Utah DWR
May 2, 2023Rainbow Trout3,64810.68"Utah DWR
May 2, 2023Rainbow Trout3,44010.89"Utah DWR
November 1, 2022Rainbow Trout1,49911.76"Utah DWR
May 25, 2022Rainbow Trout30611.71"Utah DWR
April 20, 2022Rainbow Trout10,1488.59"Utah DWR
November 2, 2021Rainbow Trout1,56310.11"Utah DWR
March 23, 2021Rainbow Trout9,9007.89"Utah DWR
October 23, 2020Tiger Trout1,9955.32"Utah DWR
June 11, 2020Walleye3,3622.93"Utah DWR
May 4, 2020Rainbow Trout5,13610.97"Utah DWR
May 4, 2020Tiger Trout1,02010.72"Utah DWR
May 4, 2020Rainbow Trout3,21010.97"Utah DWR
April 26, 2020Rainbow Trout3,77210.71"Utah DWR
April 24, 2020Rainbow Trout1,84010.71"Utah DWR
April 22, 2020Rainbow Trout1,24910.53"Utah DWR
May 15, 2019Tiger Trout1,00010.46"Utah DWR
April 23, 2019Walleye25,0000.32"Utah DWR
April 12, 2019Rainbow Trout3,49610.46"Utah DWR
April 11, 2019Rainbow Trout4,14010.46"Utah DWR
April 11, 2019Rainbow Trout3,68010.46"Utah DWR
April 9, 2019Walleye69,2000.32"Utah DWR
April 6, 2019Rainbow Trout3,68010.46"Utah DWR
May 18, 2018Rainbow Trout5,7008.89"Utah DWR
May 16, 2018Rainbow Trout6,3468.89"Utah DWR
May 15, 2018Rainbow Trout2,4817.97"Utah DWR
June 28, 2017Brown Trout7,9973.31"Utah DWR
May 29, 2017Rainbow Trout3,4987.47"Utah DWR
May 29, 2017Rainbow Trout3,4977"Utah DWR
May 29, 2017Brown Trout2,5002.36"Utah DWR
May 28, 2017Rainbow Trout2,00111.08"Utah DWR
May 1, 2017Rainbow Trout9,1135.9"Utah DWR
May 1, 2017Rainbow Trout4,6785.9"Utah DWR
April 5, 2017Walleye174,1000.28"Utah DWR
May 18, 2016Rainbow Trout4,2278"Utah DWR
May 17, 2016Rainbow Trout4,7207.93"Utah DWR
April 20, 2016Walleye1,517,6960.28"Utah DWR

Showing 50 of 214 stocking records.

Frequently asked

When was Big Sandwash Reservoir last stocked?

According to Utah DWR — Fish Stocking Report, Big Sandwash Reservoir was last stocked July 16, 2026 with Walleye.

What fish species are stocked in Big Sandwash Reservoir?

Big Sandwash Reservoir is stocked with Walleye, Rainbow Trout, CUTBOW CTBL*RTWV, Tiger Trout, Brown Trout, and Cutthroat Trout.

What time of year is Big Sandwash Reservoir stocked?

Big Sandwash Reservoir is typically stocked in spring, most often in May.

How often is Big Sandwash Reservoir stocked?

Big Sandwash Reservoir has been stocked about 5 times a year — 214 recorded stockings between 1980 and 2026.

How many fish have been stocked in Big Sandwash Reservoir?

About 8,877,988 fish have been stocked in Big Sandwash Reservoir across 214 recorded events since 1980, per Utah fish & wildlife agency.

What size are the fish stocked in Big Sandwash Reservoir?

Fish stocked in Big Sandwash Reservoir average about 6.9 inches, based on the sizes the agency reported.

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 →

Compiled by .