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Stocked last season

Lake Koocanusa Fish Stocking

Montana · 1972 to 2024 on record

According to FWP records, Lake Koocanusa has 532 stocking records on file across 3 species. The most recent stocking season represented is 2024.

Lake Koocanusa stocking
Lake Koocanusa photo
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532
Stocking records
8,282,087
Fish reported stocked
3
Species
2024
Latest season

Stocking activity by season

45 seasons on record, most in the 1982 (38 records). Click a bar to jump to that season below.

13 records
2024 · 62,752 fish
1997
1998
1999
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2023
2024

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 45 seasons — the full history is listed below.

Most-stocked species

Rainbow Trout 311 records
Westslope Cutthroat Trout 216 records
White Sturgeon 5 records

Location

48.7376, -115.3136

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Stocking history

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

SpeciesFish stockedSizePhase
Rainbow Trout 13,985 2.66 in Gerrard
Rainbow Trout 27,258 2.68 in Gerrard
Rainbow Trout 290 13.95 in Gerrard
Rainbow Trout 391 12.88 in Gerrard
Rainbow Trout 237 12.88 in Gerrard
Rainbow Trout 140 18.58 in Gerrard
Rainbow Trout 151 18.27 in Gerrard
Rainbow Trout 161 17.98 in Gerrard
Rainbow Trout 145 18.27 in Gerrard
Rainbow Trout 26 18.27 in Gerrard
Rainbow Trout 4,589 7.48 in Gerrard
Rainbow Trout 1,035 7.53 in Gerrard
Rainbow Trout 14,344 2.7 in Gerrard

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

Quick facts

Latest season 2024
Most stocked Rainbow Trout
Species Rainbow Trout, Westslope Cutthroat Trout, White Sturgeon
Seasons on record 1972 – 2024
Fish reported 8,282,087
Coordinates 48.7376, -115.3136

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

Frequently asked questions

FWP records show Lake Koocanusa stocked with Rainbow Trout, Westslope Cutthroat Trout, White Sturgeon.

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