Willson Reservoir Fish Stocking
Montana · 1947–1968 on record
According to Montana fish & wildlife agency, Willson Reservoir was last stocked May 24, 1968 with Northern Pike. Willson Reservoir has 7 stocking records on file, spanning 1947–1968, with about 2,084 fish stocked over that period.
When Willson Reservoir is stocked
Nearby stocked waters
Other stocked waters near Willson Reservoir, freshest activity first.
Schoonover Reservoir 2
12 mi4 species · 14 records
Last stocked August 2025
Crow Coulee Reservoir
5 mi4 species · 18 records
Last stocked June 2025
Lanning Reservoir
12 mi2 species · 26 records
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Marias River
11 mi8 species · 247 records
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Pegar Reservoir
11 mi1 species · 36 records
Last stocked June 2022
Pilot Rock Res
8 mi1 species · 11 records
Last stocked May 2005
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 24, 1968 | Northern Pike | 500 | 2" | Montana fish & wildlife agency |
| October 11, 1967 | Bluegill | 784 | 1" | Montana fish & wildlife agency |
| September 7, 1966 | Largemouth Bass | 300 | 2" | Montana fish & wildlife agency |
| October 10, 1950 | Largemouth Bass | 100 | 4" | Montana fish & wildlife agency |
| October 10, 1950 | Crappie | 100 | 2" | Montana fish & wildlife agency |
| October 14, 1947 | Largemouth Bass | 150 | 3" | Montana fish & wildlife agency |
| October 14, 1947 | Bluegill | 150 | 1" | Montana fish & wildlife agency |
Frequently asked
When was Willson Reservoir last stocked?
According to Montana fish & wildlife agency, Willson Reservoir was last stocked May 24, 1968 with Northern Pike.
What fish species are stocked in Willson Reservoir?
Willson Reservoir is stocked with Northern Pike, Bluegill, Largemouth Bass, and Crappie.
How often is Willson Reservoir stocked?
Willson Reservoir is stocked intermittently — 7 recorded stockings between 1947 and 1968.
How many fish have been stocked in Willson Reservoir?
About 2,084 fish have been stocked in Willson Reservoir across 7 recorded events since 1947, per Montana fish & wildlife agency.
What size are the fish stocked in Willson Reservoir?
Fish stocked in Willson Reservoir average about 2.1 inches, based on the sizes the agency reported.