Upper Hansen Reservoir Fish Stocking
Montana · 1970–1981 on record
According to Montana fish & wildlife agency, Upper Hansen Reservoir was last stocked June 10, 1981 with Rainbow Trout. Upper Hansen Reservoir has 12 stocking records on file, spanning 1970–1981, with about 29,146 fish stocked over that period.
When Upper Hansen Reservoir is stocked
Upper Hansen Reservoir is typically stocked in spring, most often in May — 5 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Upper Hansen Reservoir, freshest activity first.
Faber Reservoir
8 mi3 species · 78 records
Last stocked November 2025
H.C. Kuhr Reservoir
15 mi6 species · 74 records
Last stocked April 2025
Gazob Reservoir
14 mi3 species · 6 records
Last stocked July 2020
Als Coulee Reservoir
9 mi2 species · 9 records
Last stocked April 2014
Butch Reservoir
14 mi3 species · 22 records
Last stocked May 2011
Sundance Reservoir
14 mi1 species · 1 records
Last stocked July 2010
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 10, 1981 | Rainbow Trout | 1,500 | 5" | Montana fish & wildlife agency |
| May 22, 1980 | Rainbow Trout | 2,046 | 3" | Montana fish & wildlife agency |
| June 19, 1979 | Rainbow Trout | 2,509 | 5" | Montana fish & wildlife agency |
| June 15, 1978 | Rainbow Trout | 2,610 | 4" | Montana fish & wildlife agency |
| May 31, 1977 | Rainbow Trout | 2,522 | 5" | Montana fish & wildlife agency |
| May 11, 1976 | Rainbow Trout | 2,520 | 6" | Montana fish & wildlife agency |
| June 11, 1975 | Rainbow Trout | 2,542 | 4" | Montana fish & wildlife agency |
| April 22, 1974 | Rainbow Trout | 2,622 | 3" | Montana fish & wildlife agency |
Show 4 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 24, 1973 | Rainbow Trout | 2,625 | 4" | Montana fish & wildlife agency |
| June 13, 1972 | Rainbow Trout | 2,600 | 5" | Montana fish & wildlife agency |
| May 27, 1971 | Rainbow Trout | 2,500 | 5" | Montana fish & wildlife agency |
| July 23, 1970 | Rainbow Trout | 2,550 | 6" | Montana fish & wildlife agency |
Frequently asked
When was Upper Hansen Reservoir last stocked?
According to Montana fish & wildlife agency, Upper Hansen Reservoir was last stocked June 10, 1981 with Rainbow Trout.
What fish species are stocked in Upper Hansen Reservoir?
Upper Hansen Reservoir is stocked with Rainbow Trout.
What time of year is Upper Hansen Reservoir stocked?
Upper Hansen Reservoir is typically stocked in spring, most often in May.
How often is Upper Hansen Reservoir stocked?
Upper Hansen Reservoir is stocked intermittently — 12 recorded stockings between 1970 and 1981.
How many fish have been stocked in Upper Hansen Reservoir?
About 29,146 fish have been stocked in Upper Hansen Reservoir across 12 recorded events since 1970, per Montana fish & wildlife agency.
What size are the fish stocked in Upper Hansen Reservoir?
Fish stocked in Upper Hansen Reservoir average about 4.6 inches, based on the sizes the agency reported.