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Blanding Reservoir No 4 Fish Stocking

SAN JUAN County, Utah · 1980–2026 on record

Source: Utah DWR — Fish Stocking Report· updated 2026-05-27

According to Utah DWR — Fish Stocking Report, Blanding Reservoir No 4 was last stocked May 27, 2026 with Rainbow Trout. Blanding Reservoir No 4 has 230 stocking records on file, spanning 1980–2026, with about 470,405 fish stocked over that period.

May 27, 2026
Last stocked
470,405
Fish stocked
2
Species
230
Stocking records

When Blanding Reservoir No 4 is stocked

Blanding Reservoir No 4 is typically stocked in spring and summer, most often in May — 59 stocking events in that peak month.

How Blanding Reservoir No 4's stockings spread across the calendar year.

Nearby stocked waters

Other stocked waters near Blanding Reservoir No 4, freshest activity first.

Medicine Lake

53 mi

SAN JUAN County · 2 species · 73 records

Last stocked July 2026

Dark Canyon Lake

57 mi

SAN JUAN County · 4 species · 156 records

Last stocked July 2026

Oowah Lake

59 mi

GRAND County · 2 species · 131 records

Last stocked July 2026

Warner Lake

60 mi

GRAND County · 1 species · 102 records

Last stocked July 2026

Blanding Reservoir No 3

1 mi

SAN JUAN County · 2 species · 155 records

Last stocked May 2026

Monticello Lake

16 mi

SAN JUAN County · 3 species · 208 records

Last stocked April 2026

Stocking history

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

DateSpeciesNumberSizeSource
May 27, 2026Rainbow Trout1,45610.12"Utah DWR
May 18, 2026Rainbow Trout1,82010.12"Utah DWR
April 7, 2026Rainbow Trout1,68010.94"Utah DWR
October 15, 2025Rainbow Trout1,54010.16"Utah DWR
August 27, 2025Rainbow Trout2,0099.32"Utah DWR
July 17, 2025Tiger Trout4,5243.03"Utah DWR
May 19, 2025Rainbow Trout1,26010.21"Utah DWR
April 14, 2025Rainbow Trout1,7429.81"Utah DWR
Show 42 more stocking records →
DateSpeciesNumberSizeSource
March 24, 2025Rainbow Trout1,75910.31"Utah DWR
August 28, 2023Rainbow Trout1,9989.75"Utah DWR
June 27, 2023Tiger Trout4,4992.46"Utah DWR
April 24, 2023Rainbow Trout1,7529.9"Utah DWR
April 17, 2023Rainbow Trout1,7769.9"Utah DWR
August 30, 2022Rainbow Trout2,0049.38"Utah DWR
July 12, 2022Tiger Trout4,5012.83"Utah DWR
March 14, 2022Rainbow Trout3,5289.93"Utah DWR
August 24, 2021Rainbow Trout2,52610.69"Utah DWR
June 30, 2021Tiger Trout4,5022.91"Utah DWR
April 26, 2021Rainbow Trout1,50210.5"Utah DWR
March 24, 2021Rainbow Trout2,0009.91"Utah DWR
August 25, 2020Rainbow Trout2,00210.37"Utah DWR
June 24, 2020Tiger Trout4,5292.81"Utah DWR
April 27, 2020Rainbow Trout1,71110.19"Utah DWR
March 23, 2020Rainbow Trout1,80810.12"Utah DWR
August 27, 2019Rainbow Trout9979.49"Utah DWR
August 27, 2019Rainbow Trout1,0079.63"Utah DWR
August 26, 2019Rainbow Trout78110.96"Utah DWR
August 8, 2019Tiger Trout5,5103.34"Utah DWR
April 23, 2019Rainbow Trout1,75210.13"Utah DWR
April 10, 2019Rainbow Trout1,75510.35"Utah DWR
September 19, 2018Rainbow Trout75410.43"Utah DWR
September 18, 2018Rainbow Trout1,25610.43"Utah DWR
August 9, 2018Rainbow Trout1,2889.41"Utah DWR
July 12, 2018Tiger Trout4,5312.98"Utah DWR
May 15, 2018Rainbow Trout1,2429.82"Utah DWR
April 2, 2018Rainbow Trout2,25710.27"Utah DWR
September 21, 2017Rainbow Trout2,0109.6"Utah DWR
May 17, 2017Tiger Trout4,5503.55"Utah DWR
May 17, 2017Rainbow Trout9559.54"Utah DWR
March 20, 2017Rainbow Trout2,5389.64"Utah DWR
September 27, 2016Rainbow Trout1,99710.08"Utah DWR
August 22, 2016Tiger Trout4,5005.1"Utah DWR
May 16, 2016Rainbow Trout1,4119.05"Utah DWR
March 29, 2016Rainbow Trout2,0908.19"Utah DWR
September 16, 2015Rainbow Trout2,0758.22"Utah DWR
September 3, 2015Tiger Trout4,5005.29"Utah DWR
April 6, 2015Rainbow Trout3,4997.95"Utah DWR
September 18, 2014Rainbow Trout2,0648.67"Utah DWR
August 21, 2014Tiger Trout4,5605.46"Utah DWR
June 24, 2014Rainbow Trout5038.6"Utah DWR

Showing 50 of 230 stocking records.

Frequently asked

When was Blanding Reservoir No 4 last stocked?

According to Utah DWR — Fish Stocking Report, Blanding Reservoir No 4 was last stocked May 27, 2026 with Rainbow Trout.

What fish species are stocked in Blanding Reservoir No 4?

Blanding Reservoir No 4 is stocked with Rainbow Trout and Tiger Trout.

What time of year is Blanding Reservoir No 4 stocked?

Blanding Reservoir No 4 is typically stocked in spring and summer, most often in May.

How often is Blanding Reservoir No 4 stocked?

Blanding Reservoir No 4 has been stocked about 5 times a year — 230 recorded stockings between 1980 and 2026.

How many fish have been stocked in Blanding Reservoir No 4?

About 470,405 fish have been stocked in Blanding Reservoir No 4 across 230 recorded events since 1980, per Utah fish & wildlife agency.

What size are the fish stocked in Blanding Reservoir No 4?

Fish stocked in Blanding Reservoir No 4 average about 9.0 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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