Supenau Reservoir Fish Stocking
Montana · 2019–2025 on record
According to Montana fish & wildlife agency, Supenau Reservoir was last stocked September 9, 2025 with Rainbow Trout. Supenau Reservoir has 8 stocking records on file, spanning 2019–2025, with about 11,000 fish stocked over that period.
When Supenau Reservoir is stocked
Nearby stocked waters
Other stocked waters near Supenau Reservoir, freshest activity first.
Fresno Reservoir
6 mi13 species · 153 records
Last stocked October 2025
Dry Fork Reservoir
14 mi12 species · 75 records
Last stocked June 2025
Davis Pond
12 mi5 species · 6 records
Last stocked August 2003
Boot Leg Reservoir
6 mi1 species · 5 records
Last stocked July 1979
Casady Pond
15 mi3 species · 15 records
Last stocked June 1978
Big Sandy Creek
6 mi3 species · 74 records
Last stocked May 1972
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 9, 2025 | Rainbow Trout | 1,500 | 8.01" | Montana fish & wildlife agency |
| June 4, 2025 | Rainbow Trout | 1,000 | 7.03" | Montana fish & wildlife agency |
| June 12, 2024 | Rainbow Trout | 1,000 | 7.25" | Montana fish & wildlife agency |
| July 5, 2023 | Rainbow Trout | 1,000 | 6.7" | Montana fish & wildlife agency |
| May 26, 2022 | Rainbow Trout | 1,000 | 7.08" | Montana fish & wildlife agency |
| June 14, 2021 | Rainbow Trout | 2,500 | 7.08" | Montana fish & wildlife agency |
| May 29, 2020 | Rainbow Trout | 1,000 | 7.13" | Montana fish & wildlife agency |
| June 5, 2019 | Rainbow Trout | 2,000 | 7.33" | Montana fish & wildlife agency |
Frequently asked
When was Supenau Reservoir last stocked?
According to Montana fish & wildlife agency, Supenau Reservoir was last stocked September 9, 2025 with Rainbow Trout.
What fish species are stocked in Supenau Reservoir?
Supenau Reservoir is stocked with Rainbow Trout.
How often is Supenau Reservoir stocked?
Supenau Reservoir is stocked intermittently — 8 recorded stockings between 2019 and 2025.
How many fish have been stocked in Supenau Reservoir?
About 11,000 fish have been stocked in Supenau Reservoir across 8 recorded events since 2019, per Montana fish & wildlife agency.
What size are the fish stocked in Supenau Reservoir?
Fish stocked in Supenau Reservoir average about 7.2 inches, based on the sizes the agency reported.