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Stocked last season

Martinsdale Reservoir Fish Stocking

Montana · 1934 to 2026 on record

According to FWP records, Martinsdale Reservoir has 335 stocking records on file across 6 species. The most recent stocking season represented is 2026.

Martinsdale Reservoir stocking
Martinsdale Reservoir photo
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335
Stocking records
7,105,509
Fish reported stocked
6
Species
2026
Latest season

Stocking activity by season

86 seasons on record, most in the 1962 (12 records). Click a bar to jump to that season below.

2 records
2026 · 55,000 fish
2001
2002
2003
2004
2005
2006
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026

Stocking records per season (labelled by the season's end year). Montana's source reports by season, so records aren't broken out by month. Showing the most recent 25 of 86 seasons — the full history is listed below.

Most-stocked species

Rainbow Trout 281 records
Yellowstone Cutthroat Trout 24 records
Brown Trout 17 records
Westslope Cutthroat Trout 7 records
Cutthroat Trout 5 records

Location

46.4433, -110.2743

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Stocking history

Values shown exactly as the agency reported them; species names are normalized for search.

SpeciesFish stockedSizePhase
Rainbow Trout 25,272 5.27 in Arlee
Rainbow Trout 29,728 5.25 in Arlee

A stocking record does not guarantee fish remain present or may legally be harvested. Check current Montana fishing regulations →

Quick facts

Latest season 2026
Most stocked Rainbow Trout
Species Rainbow Trout, Yellowstone Cutthroat Trout, Brown Trout, Westslope Cutthroat Trout, Cutthroat Trout, Kokanee
Seasons on record 1934 – 2026
Fish reported 7,105,509
Coordinates 46.4433, -110.2743

Data source

Compiled from public records published by the Montana Fish, Wildlife & Parks. StockedSpots is independent and not affiliated with or endorsed by FWP.

Source: Montana Fish, Wildlife & Parks (FWP). Data last checked September 1, 2026.
View FWP source →

Nearby stocked waters

State: Montana 2.5 mi
South Fork Musselshell River
138 records · 4 species
Latest 1970
State: Montana 2.5 mi
North Fork Musselshell River
176 records · 4 species
Latest 1973
State: Montana 6.3 mi
Cottonwood Creek
474 records · 6 species
Latest 2005
State: Montana 6.5 mi
Little Elk Creek
4 records · 1 species
Latest 1942
State: Montana 8.1 mi
Hundred Dollar Bill Pond
5 records · 1 species
Latest 2026
State: Montana 9.7 mi
Haymaker Creek
10 records · 2 species
Latest 1953

Frequently asked questions

FWP records show Martinsdale Reservoir stocked with Rainbow Trout, Yellowstone Cutthroat Trout, Brown Trout, Westslope Cutthroat Trout, Cutthroat Trout, Kokanee.

See something that looks off?

Every stocking record on StockedSpots is pulled directly from official state wildlife agency sources — you can see exactly where each state's data comes from on our data sources page. If a record looks wrong, or you'd like a page reviewed or removed, let us know and we'll look into it.

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