Nelson Reservoir Fish Stocking
Montana · 1932–2025 on record
According to Montana fish & wildlife agency, Nelson Reservoir was last stocked June 25, 2025 with Walleye. Nelson Reservoir has 209 stocking records on file, spanning 1932–2025, with about 16,518,346 fish stocked over that period.
When Nelson Reservoir is stocked
Nelson Reservoir is typically stocked in spring and summer, most often in June — 61 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Nelson Reservoir, freshest activity first.
Glasgow Base Pond
12 mi7 species · 114 records
Last stocked September 2025
Atlas Reservoir
5 mi2 species · 12 records
Last stocked August 2025
Hose Reservoir
8 mi1 species · 37 records
Last stocked June 2025
VR 009 Reservoir
12 mi4 species · 74 records
Last stocked May 2025
Whitetail Reservoir
17 mi9 species · 98 records
Last stocked May 2025
Forsman Reservoir
8 mi5 species · 14 records
Last stocked July 2007
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 25, 2025 | Walleye | 5,000 | 1.3" | Montana fish & wildlife agency |
| June 25, 2025 | Walleye | 65,950 | 1.3" | Montana fish & wildlife agency |
| June 25, 2025 | Walleye | 44,169 | 1.3" | Montana fish & wildlife agency |
| May 7, 2025 | Rainbow Trout | 250 | 6.79" | Montana fish & wildlife agency |
| July 18, 2024 | Rainbow Trout | 250 | 7.24" | Montana fish & wildlife agency |
| June 21, 2024 | Walleye | 91,871 | 1.45" | Montana fish & wildlife agency |
| June 21, 2024 | Walleye | 9,230 | 1.39" | Montana fish & wildlife agency |
| July 12, 2023 | Walleye | 24,510 | 2.24" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 12, 2023 | Walleye | 11,867 | 2.01" | Montana fish & wildlife agency |
| July 11, 2023 | Walleye | 38,666 | 2.09" | Montana fish & wildlife agency |
| July 10, 2023 | Walleye | 25,091 | 2.23" | Montana fish & wildlife agency |
| June 19, 2023 | Rainbow Trout | 250 | 6.7" | Montana fish & wildlife agency |
| June 30, 2022 | Walleye | 5,058 | 1.4" | Montana fish & wildlife agency |
| June 27, 2022 | Walleye | 100,146 | 1.4" | Montana fish & wildlife agency |
| May 23, 2022 | Rainbow Trout | 250 | 7.08" | Montana fish & wildlife agency |
| September 9, 2021 | Channel Catfish | 4,000 | 1.91" | Montana fish & wildlife agency |
| June 25, 2021 | Walleye | 13,200 | 1.62" | Montana fish & wildlife agency |
| June 21, 2021 | Walleye | 25,983 | 1.3" | Montana fish & wildlife agency |
| June 21, 2021 | Walleye | 61,492 | 1.37" | Montana fish & wildlife agency |
| May 14, 2021 | Rainbow Trout | 250 | 6.83" | Montana fish & wildlife agency |
| August 20, 2020 | Channel Catfish | 4,000 | 1.63" | Montana fish & wildlife agency |
| June 26, 2020 | Walleye | 62,019 | 1.91" | Montana fish & wildlife agency |
| June 24, 2020 | Walleye | 52,267 | 1.95" | Montana fish & wildlife agency |
| June 18, 2020 | Walleye | 4,629 | 1.78" | Montana fish & wildlife agency |
| May 6, 2020 | Rainbow Trout | 262 | 6.59" | Montana fish & wildlife agency |
| June 27, 2019 | Walleye | 25,101 | 1.73" | Montana fish & wildlife agency |
| June 26, 2019 | Walleye | 5,000 | 1.56" | Montana fish & wildlife agency |
| June 25, 2019 | Walleye | 20,743 | 1.61" | Montana fish & wildlife agency |
| June 24, 2019 | Walleye | 39,556 | 1.52" | Montana fish & wildlife agency |
| June 19, 2019 | Walleye | 18,952 | 1.36" | Montana fish & wildlife agency |
| May 29, 2019 | Rainbow Trout | 250 | 7.26" | Montana fish & wildlife agency |
| July 2, 2018 | Walleye | 11,173 | 2.18" | Montana fish & wildlife agency |
| July 2, 2018 | Walleye | 11,173 | 2.18" | Montana fish & wildlife agency |
| June 29, 2018 | Walleye | 27,224 | 1.98" | Montana fish & wildlife agency |
| June 18, 2018 | Rainbow Trout | 276 | 6.04" | Montana fish & wildlife agency |
| June 28, 2016 | Walleye | 56,387 | 1.72" | Montana fish & wildlife agency |
| June 23, 2016 | Walleye | 5,030 | 1.57" | Montana fish & wildlife agency |
| June 20, 2016 | Walleye | 46,902 | 1.64" | Montana fish & wildlife agency |
| June 22, 2015 | Walleye | 105,615 | 1.55" | Montana fish & wildlife agency |
| June 18, 2014 | Walleye | 50,171 | 1.35" | Montana fish & wildlife agency |
| July 15, 2013 | Walleye | 15,046 | 2.18" | Montana fish & wildlife agency |
| July 2, 2013 | Walleye | 30,887 | 1.92" | Montana fish & wildlife agency |
| July 2, 2013 | Walleye | 10,507 | 2.28" | Montana fish & wildlife agency |
| June 26, 2013 | Walleye | 46,262 | 1.51" | Montana fish & wildlife agency |
| July 3, 2012 | Walleye | 84,986 | 2.02" | Montana fish & wildlife agency |
| July 3, 2012 | Walleye | 15,066 | 2.14" | Montana fish & wildlife agency |
| June 1, 2012 | Northern Pike | 2,564 | 2.64" | Montana fish & wildlife agency |
| July 8, 2011 | Walleye | 100,147 | 1.62" | Montana fish & wildlife agency |
| June 23, 2011 | Northern Pike | 2,246 | 2.58" | Montana fish & wildlife agency |
| July 2, 2010 | Walleye | 106,102 | 1.35" | Montana fish & wildlife agency |
Showing 50 of 209 stocking records.
Frequently asked
When was Nelson Reservoir last stocked?
According to Montana fish & wildlife agency, Nelson Reservoir was last stocked June 25, 2025 with Walleye.
What fish species are stocked in Nelson Reservoir?
Nelson Reservoir is stocked with Walleye, Rainbow Trout, Channel Catfish, Northern Pike, Smallmouth Bass, Bigmouth Buffalo, Kokanee, Yellow Perch, Bullhead, Crappie, and Largemouth Bass.
What time of year is Nelson Reservoir stocked?
Nelson Reservoir is typically stocked in spring and summer, most often in June.
How often is Nelson Reservoir stocked?
Nelson Reservoir has been stocked about 2 times a year — 209 recorded stockings between 1932 and 2025.
How many fish have been stocked in Nelson Reservoir?
About 16,518,346 fish have been stocked in Nelson Reservoir across 209 recorded events since 1932, per Montana fish & wildlife agency.
What size are the fish stocked in Nelson Reservoir?
Fish stocked in Nelson Reservoir average about 3.3 inches, based on the sizes the agency reported.