Lake Koocanusa Fish Stocking
Montana · 1972–2024 on record
According to Montana fish & wildlife agency, Lake Koocanusa was last stocked June 12, 2024 with Rainbow Trout. Lake Koocanusa has 532 stocking records on file, spanning 1972–2024, with about 8,282,087 fish stocked over that period.
When Lake Koocanusa is stocked
Lake Koocanusa is typically stocked in spring and summer, most often in June — 192 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Lake Koocanusa, freshest activity first.
Frank Lake
15 mi4 species · 145 records
Last stocked May 2023
Lake Geneva
7 mi1 species · 11 records
Last stocked August 2021
Mt Henry Lake
14 mi2 species · 8 records
Last stocked August 2014
Othorp Lake
13 mi2 species · 25 records
Last stocked September 2012
Boulder Lake 1
9 mi1 species · 4 records
Last stocked August 2012
Tobacco River
13 mi3 species · 113 records
Last stocked October 1998
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 12, 2024 | Rainbow Trout | 27,258 | 2.68" | Montana fish & wildlife agency |
| June 11, 2024 | Rainbow Trout | 13,985 | 2.66" | Montana fish & wildlife agency |
| June 11, 2024 | Rainbow Trout | 14,344 | 2.7" | Montana fish & wildlife agency |
| May 28, 2024 | Rainbow Trout | 1,035 | 7.53" | Montana fish & wildlife agency |
| May 16, 2024 | Rainbow Trout | 4,589 | 7.48" | Montana fish & wildlife agency |
| April 18, 2024 | Rainbow Trout | 26 | 18.27" | Montana fish & wildlife agency |
| April 18, 2024 | Rainbow Trout | 145 | 18.27" | Montana fish & wildlife agency |
| April 17, 2024 | Rainbow Trout | 161 | 17.98" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 16, 2024 | Rainbow Trout | 151 | 18.27" | Montana fish & wildlife agency |
| April 15, 2024 | Rainbow Trout | 140 | 18.58" | Montana fish & wildlife agency |
| April 3, 2024 | Rainbow Trout | 237 | 12.88" | Montana fish & wildlife agency |
| April 2, 2024 | Rainbow Trout | 391 | 12.88" | Montana fish & wildlife agency |
| April 1, 2024 | Rainbow Trout | 290 | 13.95" | Montana fish & wildlife agency |
| October 5, 2023 | Rainbow Trout | 12,671 | 4.42" | Montana fish & wildlife agency |
| October 4, 2023 | Rainbow Trout | 6,999 | 4.17" | Montana fish & wildlife agency |
| October 4, 2023 | Rainbow Trout | 6,333 | 4.33" | Montana fish & wildlife agency |
| October 3, 2023 | Rainbow Trout | 13,326 | 4.28" | Montana fish & wildlife agency |
| October 2, 2023 | Rainbow Trout | 12,709 | 4.31" | Montana fish & wildlife agency |
| September 11, 2023 | Rainbow Trout | 8,622 | 3.98" | Montana fish & wildlife agency |
| April 13, 2023 | Rainbow Trout | 3,474 | 7.23" | Montana fish & wildlife agency |
| April 12, 2023 | Rainbow Trout | 8,815 | 7.41" | Montana fish & wildlife agency |
| April 11, 2023 | Rainbow Trout | 9,891 | 7.09" | Montana fish & wildlife agency |
| April 10, 2023 | Rainbow Trout | 9,506 | 7.25" | Montana fish & wildlife agency |
| October 20, 2021 | Rainbow Trout | 8,909 | 4.51" | Montana fish & wildlife agency |
| October 18, 2021 | Rainbow Trout | 8,768 | 4.49" | Montana fish & wildlife agency |
| October 14, 2021 | Rainbow Trout | 8,999 | 4.4" | Montana fish & wildlife agency |
| October 13, 2021 | Rainbow Trout | 8,629 | 4.41" | Montana fish & wildlife agency |
| October 12, 2021 | Rainbow Trout | 8,655 | 4.43" | Montana fish & wildlife agency |
| October 6, 2021 | Rainbow Trout | 10,183 | 4.09" | Montana fish & wildlife agency |
| October 5, 2021 | Rainbow Trout | 9,174 | 4.22" | Montana fish & wildlife agency |
| October 4, 2021 | Rainbow Trout | 8,362 | 4.33" | Montana fish & wildlife agency |
| May 26, 2021 | Rainbow Trout | 6,536 | 7.15" | Montana fish & wildlife agency |
| May 18, 2021 | Rainbow Trout | 8,995 | 7.15" | Montana fish & wildlife agency |
| May 12, 2021 | Rainbow Trout | 8,577 | 7.08" | Montana fish & wildlife agency |
| May 11, 2021 | Rainbow Trout | 2,838 | 7.08" | Montana fish & wildlife agency |
| May 3, 2021 | Rainbow Trout | 2,599 | 7.26" | Montana fish & wildlife agency |
| April 19, 2021 | Rainbow Trout | 10,678 | 6.54" | Montana fish & wildlife agency |
| April 14, 2021 | Rainbow Trout | 3,089 | 6.79" | Montana fish & wildlife agency |
| April 14, 2021 | Rainbow Trout | 8,696 | 6.99" | Montana fish & wildlife agency |
| April 14, 2021 | Rainbow Trout | 8,696 | 6.99" | Montana fish & wildlife agency |
| April 7, 2021 | Rainbow Trout | 8,482 | 6.93" | Montana fish & wildlife agency |
| April 6, 2021 | Rainbow Trout | 2,672 | 7.19" | Montana fish & wildlife agency |
| April 5, 2021 | Rainbow Trout | 2,817 | 7.04" | Montana fish & wildlife agency |
| May 29, 2020 | Rainbow Trout | 2,860 | 6.8" | Montana fish & wildlife agency |
| May 27, 2020 | Rainbow Trout | 10,559 | 6.96" | Montana fish & wildlife agency |
| May 26, 2020 | Rainbow Trout | 10,622 | 6.88" | Montana fish & wildlife agency |
| April 8, 2020 | Rainbow Trout | 11,137 | 6.75" | Montana fish & wildlife agency |
| April 7, 2020 | Rainbow Trout | 11,386 | 6.69" | Montana fish & wildlife agency |
| March 31, 2020 | Rainbow Trout | 11,017 | 6.76" | Montana fish & wildlife agency |
| March 30, 2020 | Rainbow Trout | 10,650 | 6.89" | Montana fish & wildlife agency |
Showing 50 of 500 stocking records.
Frequently asked
When was Lake Koocanusa last stocked?
According to Montana fish & wildlife agency, Lake Koocanusa was last stocked June 12, 2024 with Rainbow Trout.
What fish species are stocked in Lake Koocanusa?
Lake Koocanusa is stocked with Rainbow Trout, Cutthroat Trout, and White Sturgeon.
What time of year is Lake Koocanusa stocked?
Lake Koocanusa is typically stocked in spring and summer, most often in June.
How often is Lake Koocanusa stocked?
Lake Koocanusa has been stocked about 10 times a year — 532 recorded stockings between 1972 and 2024.
How many fish have been stocked in Lake Koocanusa?
About 8,282,087 fish have been stocked in Lake Koocanusa across 532 recorded events since 1972, per Montana fish & wildlife agency.
What size are the fish stocked in Lake Koocanusa?
Fish stocked in Lake Koocanusa average about 6.7 inches, based on the sizes the agency reported.