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Hauser Reservoir Fish Stocking

Montana · 1926–2026 on record

Source: Montana fish & wildlife agency· updated 2026-04-29

According to Montana fish & wildlife agency, Hauser Reservoir was last stocked April 29, 2026 with Kokanee. Hauser Reservoir has 897 stocking records on file, spanning 1926–2026, with about 17,699,686 fish stocked over that period.

April 29, 2026
Last stocked
17,699,686
Fish stocked
3
Species
897
Stocking records

When Hauser Reservoir is stocked

Hauser Reservoir is typically stocked in fall, most often in October — 173 stocking events in that peak month.

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

Nearby stocked waters

Other stocked waters near Hauser Reservoir, freshest activity first.

Willow Creek Reservoir

12 mi

5 species · 460 records

Last stocked June 2026

Helena Valley Regulating Reservoir

4 mi

2 species · 80 records

Last stocked May 2026

Fairgrounds Pond

12 mi

1 species · 105 records

Last stocked May 2024

Rock Creek

12 mi

6 species · 595 records

Last stocked May 2013

Spokane Creek

2 mi

2 species · 13 records

Last stocked February 2001

Johnson Pond

4 mi

2 species · 39 records

Last stocked June 1999

Stocking history

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

DateSpeciesNumberSizeSource
April 29, 2026Kokanee20,0003.39"Montana fish & wildlife agency
October 9, 2025Rainbow Trout6,6568.9"Montana fish & wildlife agency
October 9, 2025Rainbow Trout6,6568.9"Montana fish & wildlife agency
October 7, 2025Rainbow Trout7,0308.74"Montana fish & wildlife agency
October 6, 2025Rainbow Trout7,1968.68"Montana fish & wildlife agency
October 6, 2025Rainbow Trout7,0808.74"Montana fish & wildlife agency
October 3, 2025Rainbow Trout6,8848.78"Montana fish & wildlife agency
October 2, 2025Rainbow Trout7,3258.56"Montana fish & wildlife agency
Show 42 more stocking records →
DateSpeciesNumberSizeSource
October 2, 2025Rainbow Trout6,5948.93"Montana fish & wildlife agency
October 1, 2025Rainbow Trout7,5098.56"Montana fish & wildlife agency
September 30, 2025Rainbow Trout7,8428.43"Montana fish & wildlife agency
September 29, 2025Rainbow Trout7,7508.47"Montana fish & wildlife agency
September 25, 2025Rainbow Trout8,0618.4"Montana fish & wildlife agency
September 25, 2025Rainbow Trout7,6138.51"Montana fish & wildlife agency
September 23, 2025Rainbow Trout8,1538.32"Montana fish & wildlife agency
September 22, 2025Rainbow Trout8,1958.31"Montana fish & wildlife agency
September 18, 2025Rainbow Trout12,2157.8"Montana fish & wildlife agency
September 18, 2025Rainbow Trout12,1527.74"Montana fish & wildlife agency
September 17, 2025Rainbow Trout8,6738.15"Montana fish & wildlife agency
June 25, 2025Rainbow Trout2,9768.49"Montana fish & wildlife agency
June 20, 2025Rainbow Trout10,2488.1"Montana fish & wildlife agency
June 20, 2025Rainbow Trout9,7448.24"Montana fish & wildlife agency
June 17, 2025Kokanee70,5963.99"Montana fish & wildlife agency
June 17, 2025Kokanee67,4464.06"Montana fish & wildlife agency
May 1, 2025Kokanee50,0003.35"Montana fish & wildlife agency
October 11, 2024Rainbow Trout1,6538.24"Montana fish & wildlife agency
October 10, 2024Rainbow Trout8,4808.09"Montana fish & wildlife agency
October 9, 2024Rainbow Trout9,3607.94"Montana fish & wildlife agency
October 8, 2024Rainbow Trout8,6948.15"Montana fish & wildlife agency
October 8, 2024Rainbow Trout8,5698.2"Montana fish & wildlife agency
October 4, 2024Rainbow Trout8,8818.09"Montana fish & wildlife agency
October 1, 2024Rainbow Trout9,9427.85"Montana fish & wildlife agency
September 27, 2024Rainbow Trout10,1717.73"Montana fish & wildlife agency
September 20, 2024Rainbow Trout10,2337.71"Montana fish & wildlife agency
June 21, 2024Kokanee58,9054.14"Montana fish & wildlife agency
June 21, 2024Kokanee58,9054.14"Montana fish & wildlife agency
May 22, 2024Rainbow Trout12,4956.46"Montana fish & wildlife agency
May 21, 2024Rainbow Trout18,3916.43"Montana fish & wildlife agency
May 21, 2024Rainbow Trout19,2716.35"Montana fish & wildlife agency
May 3, 2024Kokanee50,0003.35"Montana fish & wildlife agency
October 16, 2023Rainbow Trout8,4517.85"Montana fish & wildlife agency
October 13, 2023Rainbow Trout9,4437.99"Montana fish & wildlife agency
September 29, 2023Rainbow Trout10,0257.83"Montana fish & wildlife agency
September 28, 2023Rainbow Trout11,0247.58"Montana fish & wildlife agency
September 27, 2023Rainbow Trout10,0887.81"Montana fish & wildlife agency
September 27, 2023Rainbow Trout10,0527.55"Montana fish & wildlife agency
September 25, 2023Rainbow Trout10,6087.68"Montana fish & wildlife agency
September 22, 2023Rainbow Trout9,8467.72"Montana fish & wildlife agency
September 20, 2023Rainbow Trout8,1797.26"Montana fish & wildlife agency
September 19, 2023Rainbow Trout12,2077.32"Montana fish & wildlife agency

Showing 50 of 500 stocking records.

Frequently asked

When was Hauser Reservoir last stocked?

According to Montana fish & wildlife agency, Hauser Reservoir was last stocked April 29, 2026 with Kokanee.

What fish species are stocked in Hauser Reservoir?

Hauser Reservoir is stocked with Kokanee, Rainbow Trout, and Walleye.

What time of year is Hauser Reservoir stocked?

Hauser Reservoir is typically stocked in fall, most often in October.

How often is Hauser Reservoir stocked?

Hauser Reservoir has been stocked about 9 times a year — 897 recorded stockings between 1926 and 2026.

How many fish have been stocked in Hauser Reservoir?

About 17,699,686 fish have been stocked in Hauser Reservoir across 897 recorded events since 1926, per Montana fish & wildlife agency.

What size are the fish stocked in Hauser Reservoir?

Fish stocked in Hauser Reservoir average about 6.4 inches, based on the sizes the agency reported.

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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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