Copper Lake Fish Stocking
Montana · 1954–2025 on record
According to Montana fish & wildlife agency, Copper Lake was last stocked September 17, 2025 with Cutthroat Trout. Copper Lake has 15 stocking records on file, spanning 1954–2025, with about 16,441 fish stocked over that period.
When Copper Lake is stocked
Copper Lake is typically stocked in summer, most often in August — 8 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Copper Lake, freshest activity first.
Andres Pone
2 mi1 species · 3 records
Last stocked June 2011
Mission Reservoir
8 mi2 species · 94 records
Last stocked June 2008
St Marys Lake
10 mi3 species · 48 records
Last stocked May 2008
Jocko River
11 mi2 species · 203 records
Last stocked June 1991
Middle Fork Jocko River
10 mi1 species · 6 records
Last stocked September 1969
South Fork Jocko River
13 mi1 species · 3 records
Last stocked September 1969
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 17, 2025 | Cutthroat Trout | 300 | 2.23" | Montana fish & wildlife agency |
| July 31, 2019 | Cutthroat Trout | 300 | 1.93" | Montana fish & wildlife agency |
| July 29, 2014 | Cutthroat Trout | 300 | 1.81" | Montana fish & wildlife agency |
| August 7, 2007 | Cutthroat Trout | 300 | 1.4" | Montana fish & wildlife agency |
| August 2, 2000 | Cutthroat Trout | 300 | 1.6" | Montana fish & wildlife agency |
| August 11, 1993 | Cutthroat Trout | 500 | 1" | Montana fish & wildlife agency |
| August 8, 1989 | Cutthroat Trout | 500 | 1.5" | Montana fish & wildlife agency |
| July 24, 1979 | Cutthroat Trout | 1,000 | 1" | Montana fish & wildlife agency |
Show 7 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| August 2, 1978 | Cutthroat Trout | 1,500 | 1" | Montana fish & wildlife agency |
| August 2, 1978 | Cutthroat Trout | 1,500 | 1" | Montana fish & wildlife agency |
| August 2, 1975 | Cutthroat Trout | 1,200 | 1" | Montana fish & wildlife agency |
| August 2, 1975 | Cutthroat Trout | 1,200 | 1" | Montana fish & wildlife agency |
| October 6, 1969 | Cutthroat Trout | 1,386 | 2" | Montana fish & wildlife agency |
| October 6, 1969 | Cutthroat Trout | 1,155 | 2" | Montana fish & wildlife agency |
| June 9, 1954 | Rainbow Trout | 5,000 | 3" | Montana fish & wildlife agency |
Frequently asked
When was Copper Lake last stocked?
According to Montana fish & wildlife agency, Copper Lake was last stocked September 17, 2025 with Cutthroat Trout.
What fish species are stocked in Copper Lake?
Copper Lake is stocked with Cutthroat Trout and Rainbow Trout.
What time of year is Copper Lake stocked?
Copper Lake is typically stocked in summer, most often in August.
How often is Copper Lake stocked?
Copper Lake is stocked intermittently — 15 recorded stockings between 1954 and 2025.
How many fish have been stocked in Copper Lake?
About 16,441 fish have been stocked in Copper Lake across 15 recorded events since 1954, per Montana fish & wildlife agency.
What size are the fish stocked in Copper Lake?
Fish stocked in Copper Lake average about 1.6 inches, based on the sizes the agency reported.