Johnson Reservoir Fish Stocking
Montana · 1940–2025 on record
According to Montana fish & wildlife agency, Johnson Reservoir was last stocked May 17, 2025 with Rainbow Trout. Johnson Reservoir has 56 stocking records on file, spanning 1940–2025, with about 172,190 fish stocked over that period.
When Johnson Reservoir is stocked
Johnson Reservoir is typically stocked in spring and summer, most often in May — 12 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Johnson Reservoir, freshest activity first.
Kuester Lake
12 mi5 species · 24 records
Last stocked August 2024
Verschoot Reservoir
18 mi1 species · 18 records
Last stocked June 2021
Salsbury Reservoir
11 mi1 species · 46 records
Last stocked May 2020
Wilgosh Reservoir
21 mi3 species · 8 records
Last stocked July 2014
Kvaalen Reservoir
17 mi1 species · 1 records
Last stocked July 1988
Upper Scheetz Reservoir
24 mi1 species · 1 records
Last stocked August 1984
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 17, 2025 | Rainbow Trout | 2,500 | 3.17" | Montana fish & wildlife agency |
| June 2, 2021 | Rainbow Trout | 2,500 | 3.37" | Montana fish & wildlife agency |
| June 2, 2020 | Rainbow Trout | 205 | 11.3" | Montana fish & wildlife agency |
| September 3, 2019 | Yellow Perch | 2,500 | 2.92" | Montana fish & wildlife agency |
| May 14, 2019 | Rainbow Trout | 2,500 | 2.65" | Montana fish & wildlife agency |
| November 5, 2018 | Yellow Perch | 1,000 | 4.14" | Montana fish & wildlife agency |
| September 6, 2018 | Yellow Perch | 448 | 3.5" | Montana fish & wildlife agency |
| April 8, 2016 | Rainbow Trout | 2,500 | 2.09" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 17, 2014 | Rainbow Trout | 2,500 | 2.08" | Montana fish & wildlife agency |
| May 17, 2012 | Rainbow Trout | 2,507 | 2.72" | Montana fish & wildlife agency |
| June 8, 2010 | Rainbow Trout | 2,525 | 4.13" | Montana fish & wildlife agency |
| July 22, 2008 | Smallmouth Bass | 4,000 | 1.7" | Montana fish & wildlife agency |
| April 28, 2008 | Rainbow Trout | 2,480 | 3.28" | Montana fish & wildlife agency |
| July 25, 2006 | Smallmouth Bass | 4,000 | 2.2" | Montana fish & wildlife agency |
| April 26, 2006 | Rainbow Trout | 2,650 | 3.21" | Montana fish & wildlife agency |
| July 27, 2004 | Smallmouth Bass | 4,000 | 1.8" | Montana fish & wildlife agency |
| August 2, 2002 | Smallmouth Bass | 3,200 | 1.5" | Montana fish & wildlife agency |
| April 22, 2002 | Rainbow Trout | 2,500 | 2.6" | Montana fish & wildlife agency |
| July 19, 2000 | Smallmouth Bass | 4,400 | 1.8" | Montana fish & wildlife agency |
| March 28, 2000 | Rainbow Trout | 2,500 | 2.4" | Montana fish & wildlife agency |
| July 22, 1998 | Smallmouth Bass | 4,000 | 1.8" | Montana fish & wildlife agency |
| May 5, 1998 | Rainbow Trout | 2,500 | 2.9" | Montana fish & wildlife agency |
| July 23, 1996 | Smallmouth Bass | 4,000 | 1.5" | Montana fish & wildlife agency |
| May 13, 1996 | Rainbow Trout | 2,500 | 2.9" | Montana fish & wildlife agency |
| May 8, 1996 | Yellow Perch | 2,300 | 7" | Montana fish & wildlife agency |
| May 17, 1994 | Rainbow Trout | 2,500 | 3.4" | Montana fish & wildlife agency |
| March 23, 1992 | Rainbow Trout | 2,500 | 2.6" | Montana fish & wildlife agency |
| May 24, 1989 | Rainbow Trout | 2,500 | 3.3" | Montana fish & wildlife agency |
| April 12, 1984 | Yellow Perch | 640 | 8" | Montana fish & wildlife agency |
| April 10, 1984 | Rainbow Trout | 1,000 | 3" | Montana fish & wildlife agency |
| April 6, 1983 | Rainbow Trout | 3,690 | 3" | Montana fish & wildlife agency |
| July 18, 1979 | Largemouth Bass | 3,500 | 1" | Montana fish & wildlife agency |
| August 16, 1966 | Largemouth Bass | 700 | 2" | Montana fish & wildlife agency |
| June 3, 1964 | Northern Pike | 2,500 | 2" | Montana fish & wildlife agency |
| June 4, 1963 | Walleye | 25,000 | 1" | Montana fish & wildlife agency |
| September 8, 1960 | Rainbow Trout | 17,019 | 2" | Montana fish & wildlife agency |
| May 15, 1957 | Rainbow Trout | 1,800 | 0 | Montana fish & wildlife agency |
| May 7, 1957 | Rainbow Trout | 2,200 | 0 | Montana fish & wildlife agency |
| May 17, 1956 | Rainbow Trout | 3,840 | 0 | Montana fish & wildlife agency |
| June 3, 1955 | Rainbow Trout | 1,763 | 0 | Montana fish & wildlife agency |
| June 1, 1955 | Rainbow Trout | 1,763 | 0 | Montana fish & wildlife agency |
| June 7, 1954 | Rainbow Trout | 1,200 | 0 | Montana fish & wildlife agency |
| June 1, 1954 | Rainbow Trout | 1,210 | 0 | Montana fish & wildlife agency |
| May 15, 1953 | Rainbow Trout | 3,010 | 4" | Montana fish & wildlife agency |
| October 30, 1952 | Bullhead | 5,000 | 2" | Montana fish & wildlife agency |
| October 30, 1952 | Largemouth Bass | 5,000 | 4" | Montana fish & wildlife agency |
| October 31, 1950 | Bullhead | 80 | 3" | Montana fish & wildlife agency |
| October 31, 1950 | Largemouth Bass | 80 | 4" | Montana fish & wildlife agency |
| October 2, 1944 | Crappie | 3,500 | 1" | Montana fish & wildlife agency |
| September 24, 1942 | Crappie | 1,200 | 2" | Montana fish & wildlife agency |
Showing 50 of 56 stocking records.
Frequently asked
When was Johnson Reservoir last stocked?
According to Montana fish & wildlife agency, Johnson Reservoir was last stocked May 17, 2025 with Rainbow Trout.
What fish species are stocked in Johnson Reservoir?
Johnson Reservoir is stocked with Rainbow Trout, Yellow Perch, Smallmouth Bass, Largemouth Bass, Northern Pike, Walleye, Bullhead, Crappie, and Bluegill.
What time of year is Johnson Reservoir stocked?
Johnson Reservoir is typically stocked in spring and summer, most often in May.
How often is Johnson Reservoir stocked?
Johnson Reservoir is stocked intermittently — 56 recorded stockings between 1940 and 2025.
How many fish have been stocked in Johnson Reservoir?
About 172,190 fish have been stocked in Johnson Reservoir across 56 recorded events since 1940, per Montana fish & wildlife agency.
What size are the fish stocked in Johnson Reservoir?
Fish stocked in Johnson Reservoir average about 3.0 inches, based on the sizes the agency reported.