Peterson Reservoir Fish Stocking
Montana · 1954–2008 on record
According to Montana fish & wildlife agency, Peterson Reservoir was last stocked June 18, 2008 with Rainbow Trout. Peterson Reservoir has 23 stocking records on file, spanning 1954–2008, with about 98,985 fish stocked over that period.
When Peterson Reservoir is stocked
Peterson Reservoir is typically stocked in spring, most often in April — 7 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Peterson Reservoir, freshest activity first.
Hansen Reservoir
12 mi5 species · 101 records
Last stocked October 2025
Hollands Reservoir
12 mi2 species · 30 records
Last stocked July 2013
Kovacich Pond
15 mi2 species · 24 records
Last stocked May 1991
North Fork Flatwillow Creek
6 mi3 species · 70 records
Last stocked July 1986
Kizer Pond
13 mi1 species · 7 records
Last stocked June 1967
South Fork Flatwillow Creek
6 mi3 species · 44 records
Last stocked June 1966
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 18, 2008 | Rainbow Trout | 2,864 | 3.21" | Montana fish & wildlife agency |
| June 5, 2006 | Rainbow Trout | 3,150 | 3.03" | Montana fish & wildlife agency |
| May 5, 1980 | Rainbow Trout | 4,004 | 4" | Montana fish & wildlife agency |
| May 22, 1979 | Rainbow Trout | 3,990 | 6" | Montana fish & wildlife agency |
| July 12, 1978 | Rainbow Trout | 4,004 | 6" | Montana fish & wildlife agency |
| May 3, 1977 | Rainbow Trout | 4,025 | 4" | Montana fish & wildlife agency |
| April 15, 1976 | Rainbow Trout | 4,140 | 5" | Montana fish & wildlife agency |
| June 2, 1975 | Rainbow Trout | 4,125 | 5" | Montana fish & wildlife agency |
Show 15 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 23, 1974 | Rainbow Trout | 4,284 | 6" | Montana fish & wildlife agency |
| March 28, 1973 | Rainbow Trout | 4,032 | 4" | Montana fish & wildlife agency |
| May 16, 1972 | Rainbow Trout | 3,952 | 4" | Montana fish & wildlife agency |
| May 3, 1971 | Rainbow Trout | 4,080 | 4" | Montana fish & wildlife agency |
| July 1, 1969 | Rainbow Trout | 2,203 | 10" | Montana fish & wildlife agency |
| April 28, 1969 | Rainbow Trout | 7,004 | 3" | Montana fish & wildlife agency |
| March 28, 1968 | Rainbow Trout | 7,070 | 3" | Montana fish & wildlife agency |
| April 19, 1967 | Rainbow Trout | 7,140 | 4" | Montana fish & wildlife agency |
| August 1, 1966 | Rainbow Trout | 1,468 | 8" | Montana fish & wildlife agency |
| April 11, 1966 | Rainbow Trout | 7,140 | 4" | Montana fish & wildlife agency |
| April 26, 1965 | Rainbow Trout | 6,760 | 4" | Montana fish & wildlife agency |
| April 28, 1964 | Rainbow Trout | 7,500 | 3" | Montana fish & wildlife agency |
| May 2, 1955 | Northern Pike | 5,000 | 0 | Montana fish & wildlife agency |
| October 19, 1954 | Largemouth Bass | 175 | 4" | Montana fish & wildlife agency |
| October 19, 1954 | Bluegill | 875 | 2" | Montana fish & wildlife agency |
Frequently asked
When was Peterson Reservoir last stocked?
According to Montana fish & wildlife agency, Peterson Reservoir was last stocked June 18, 2008 with Rainbow Trout.
What fish species are stocked in Peterson Reservoir?
Peterson Reservoir is stocked with Rainbow Trout, Northern Pike, Largemouth Bass, and Bluegill.
What time of year is Peterson Reservoir stocked?
Peterson Reservoir is typically stocked in spring, most often in April.
How often is Peterson Reservoir stocked?
Peterson Reservoir is stocked intermittently — 23 recorded stockings between 1954 and 2008.
How many fish have been stocked in Peterson Reservoir?
About 98,985 fish have been stocked in Peterson Reservoir across 23 recorded events since 1954, per Montana fish & wildlife agency.
What size are the fish stocked in Peterson Reservoir?
Fish stocked in Peterson Reservoir average about 4.5 inches, based on the sizes the agency reported.