StockedWaters

Holtan Reservoir Fish Stocking

Montana · 19692025 on record

Source: Montana fish & wildlife agency· updated 2025-06-09

According to Montana fish & wildlife agency, Holtan Reservoir was last stocked June 9, 2025 with Rainbow Trout. Holtan Reservoir has 36 stocking records on file, spanning 1969–2025, with about 56,352 fish stocked over that period.

June 9, 2025
Last stocked
56,352
Fish stocked
3
Species
36
Stocking records

When Holtan Reservoir is stocked

Holtan Reservoir is typically stocked in spring, most often in April — 13 stocking events in that peak month.

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

Nearby stocked waters

Other stocked waters near Holtan Reservoir, freshest activity first.

Stocking history

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

DateSpeciesNumberSizeSource
June 9, 2025Rainbow Trout5007.03"Montana fish & wildlife agency
August 1, 2024Yellow Perch5,0001.33"Montana fish & wildlife agency
July 18, 2024Rainbow Trout5007.24"Montana fish & wildlife agency
May 17, 2023Rainbow Trout1,0002.63"Montana fish & wildlife agency
May 11, 2022Rainbow Trout1,0003.25"Montana fish & wildlife agency
May 14, 2021Rainbow Trout1,0003.12"Montana fish & wildlife agency
May 12, 2020Rainbow Trout1,0003.21"Montana fish & wildlife agency
May 14, 2019Rainbow Trout1,0002.65"Montana fish & wildlife agency
Show 28 more stocking records
DateSpeciesNumberSizeSource
May 4, 2018Rainbow Trout1,0002.48"Montana fish & wildlife agency
April 14, 2017Rainbow Trout1,0002.02"Montana fish & wildlife agency
April 8, 2016Rainbow Trout1,0002.09"Montana fish & wildlife agency
April 17, 2015Rainbow Trout1,0002.09"Montana fish & wildlife agency
April 17, 2014Rainbow Trout1,0002.08"Montana fish & wildlife agency
June 12, 2013Rainbow Trout1,0033.43"Montana fish & wildlife agency
June 13, 2012Rainbow Trout5027.79"Montana fish & wildlife agency
May 22, 2012Rainbow Trout1,0057.02"Montana fish & wildlife agency
May 9, 2012Rainbow Trout1,0002.71"Montana fish & wildlife agency
June 27, 2011Rainbow Trout5007.4"Montana fish & wildlife agency
June 2, 2011Rainbow Trout1,0003.36"Montana fish & wildlife agency
May 19, 2010Rainbow Trout1,0003.59"Montana fish & wildlife agency
April 22, 2009Rainbow Trout1,0203"Montana fish & wildlife agency
April 27, 2006Rainbow Trout2,1203.21"Montana fish & wildlife agency
April 25, 2005Rainbow Trout2,0253.22"Montana fish & wildlife agency
April 26, 2004Rainbow Trout2,4123.14"Montana fish & wildlife agency
April 28, 2003Rainbow Trout2,0253.18"Montana fish & wildlife agency
May 1, 2002Rainbow Trout2,0123.4"Montana fish & wildlife agency
April 21, 2000Rainbow Trout2,0393.3"Montana fish & wildlife agency
April 28, 1997Cutthroat Trout2,2945.9"Montana fish & wildlife agency
April 18, 1995Rainbow Trout2,0332.9"Montana fish & wildlife agency
June 4, 1975Rainbow Trout3,0005"Montana fish & wildlife agency
May 6, 1974Rainbow Trout3,0004"Montana fish & wildlife agency
May 1, 1973Rainbow Trout2,7722"Montana fish & wildlife agency
April 27, 1972Rainbow Trout2,4502"Montana fish & wildlife agency
March 23, 1971Rainbow Trout1,4002"Montana fish & wildlife agency
June 11, 1970Rainbow Trout2,2404"Montana fish & wildlife agency
May 26, 1969Rainbow Trout1,5004"Montana fish & wildlife agency

Frequently asked

When was Holtan Reservoir last stocked?

According to Montana fish & wildlife agency, Holtan Reservoir was last stocked June 9, 2025 with Rainbow Trout.

What fish species are stocked in Holtan Reservoir?

Holtan Reservoir is stocked with Rainbow Trout, Yellow Perch, and Cutthroat Trout.

What time of year is Holtan Reservoir stocked?

Holtan Reservoir is typically stocked in spring, most often in April.

How often is Holtan Reservoir stocked?

Holtan Reservoir is stocked intermittently — 36 recorded stockings between 1969 and 2025.

How many fish have been stocked in Holtan Reservoir?

About 56,352 fish have been stocked in Holtan Reservoir across 36 recorded events since 1969, per Montana fish & wildlife agency.

What size are the fish stocked in Holtan Reservoir?

Fish stocked in Holtan Reservoir average about 3.6 inches, based on the sizes the agency reported.

How this is calculated: compiled automatically from Montana fish & wildlife agency open data — normalized, date-validated, and shown only at the precision the agency reported. Sources & methodology →

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