Deerfield Reservoir Fish Stocking
Montana · 1972–1990 on record
According to Montana fish & wildlife agency, Deerfield Reservoir was last stocked May 11, 1990 with Rainbow Trout. Deerfield Reservoir has 8 stocking records on file, spanning 1972–1990, with about 17,109 fish stocked over that period.
When Deerfield Reservoir is stocked
Nearby stocked waters
Other stocked waters near Deerfield Reservoir, freshest activity first.
Wolf Crk Ranch Pond, Upper
10 mi3 species · 18 records
Last stocked May 2026
Barta Pond
10 mi1 species · 62 records
Last stocked July 2025
Lower Hassler Reservoir
12 mi2 species · 13 records
Last stocked July 2023
Boy Scout Pond
9 mi1 species · 28 records
Last stocked June 2019
Wolf Crk Ranch Pond, Lower
9 mi2 species · 11 records
Last stocked August 2017
Warm Spring Creek
6 mi6 species · 662 records
Last stocked July 2013
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 11, 1990 | Rainbow Trout | 2,030 | 4.9" | Montana fish & wildlife agency |
| May 10, 1989 | Rainbow Trout | 1,997 | 4.8" | Montana fish & wildlife agency |
| April 20, 1988 | Rainbow Trout | 2,002 | 4.3" | Montana fish & wildlife agency |
| April 13, 1987 | Rainbow Trout | 1,982 | 3.9" | Montana fish & wildlife agency |
| April 10, 1986 | Rainbow Trout | 2,016 | 4" | Montana fish & wildlife agency |
| April 23, 1985 | Rainbow Trout | 1,989 | 5" | Montana fish & wildlife agency |
| May 22, 1984 | Rainbow Trout | 3,013 | 5" | Montana fish & wildlife agency |
| October 25, 1972 | Rainbow Trout | 2,080 | 7" | Montana fish & wildlife agency |
Frequently asked
When was Deerfield Reservoir last stocked?
According to Montana fish & wildlife agency, Deerfield Reservoir was last stocked May 11, 1990 with Rainbow Trout.
What fish species are stocked in Deerfield Reservoir?
Deerfield Reservoir is stocked with Rainbow Trout.
How often is Deerfield Reservoir stocked?
Deerfield Reservoir is stocked intermittently — 8 recorded stockings between 1972 and 1990.
How many fish have been stocked in Deerfield Reservoir?
About 17,109 fish have been stocked in Deerfield Reservoir across 8 recorded events since 1972, per Montana fish & wildlife agency.
What size are the fish stocked in Deerfield Reservoir?
Fish stocked in Deerfield Reservoir average about 4.9 inches, based on the sizes the agency reported.