Hanson Reservoir Fish Stocking
Montana · 1950–1969 on record
According to Montana fish & wildlife agency, Hanson Reservoir was last stocked September 4, 1969 with Fathead Minnow. Hanson Reservoir has 7 stocking records on file, spanning 1950–1969, with about 66,350 fish stocked over that period.
When Hanson Reservoir is stocked
Nearby stocked waters
Other stocked waters near Hanson Reservoir, freshest activity first.
Cole Pond NNW
12 mi8 species · 98 records
Last stocked August 2025
Cole Pond SW
12 mi3 species · 64 records
Last stocked May 2025
Cole Pond NW
12 mi1 species · 7 records
Last stocked May 2025
Saddlebrook Pond
17 mi3 species · 40 records
Last stocked June 2017
McNab Reservoir
14 mi1 species · 1 records
Last stocked September 2006
Helen Reservoir
11 mi1 species · 2 records
Last stocked August 1994
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 4, 1969 | Fathead Minnow | 10,000 | 2" | Montana fish & wildlife agency |
| July 28, 1969 | Largemouth Bass | 150 | 1" | Montana fish & wildlife agency |
| June 27, 1968 | Fathead Minnow | 1,600 | 2" | Montana fish & wildlife agency |
| June 27, 1968 | Brook Trout | 400 | 2" | Montana fish & wildlife agency |
| July 31, 1967 | Smallmouth Bass | 1,000 | 2" | Montana fish & wildlife agency |
| May 22, 1956 | Walleye | 50,000 | 0 | Montana fish & wildlife agency |
| May 19, 1950 | Rainbow Trout | 3,200 | 4" | Montana fish & wildlife agency |
Frequently asked
When was Hanson Reservoir last stocked?
According to Montana fish & wildlife agency, Hanson Reservoir was last stocked September 4, 1969 with Fathead Minnow.
What fish species are stocked in Hanson Reservoir?
Hanson Reservoir is stocked with Fathead Minnow, Largemouth Bass, Brook Trout, Smallmouth Bass, Walleye, and Rainbow Trout.
How often is Hanson Reservoir stocked?
Hanson Reservoir is stocked intermittently — 7 recorded stockings between 1950 and 1969.
How many fish have been stocked in Hanson Reservoir?
About 66,350 fish have been stocked in Hanson Reservoir across 7 recorded events since 1950, per Montana fish & wildlife agency.
What size are the fish stocked in Hanson Reservoir?
Fish stocked in Hanson Reservoir average about 2.2 inches, based on the sizes the agency reported.