Thundercloud Reservoir Fish Stocking
Montana · 1975–2012 on record
According to Montana fish & wildlife agency, Thundercloud Reservoir was last stocked May 16, 2012 with Rainbow Trout. Thundercloud Reservoir has 13 stocking records on file, spanning 1975–2012, with about 11,056 fish stocked over that period.
When Thundercloud Reservoir is stocked
Thundercloud Reservoir is typically stocked in spring, most often in April — 7 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Thundercloud Reservoir, freshest activity first.
Drag Creek Reservoir
6 mi4 species · 40 records
Last stocked September 2025
Dry Lake Reservoir
15 mi2 species · 10 records
Last stocked September 2025
Holland Reservoir
8 mi1 species · 8 records
Last stocked August 2025
Whisker Reservoir
9 mi1 species · 11 records
Last stocked August 2024
Bubs Reservoir
6 mi1 species · 8 records
Last stocked August 2023
Deer Coulee Reservoir
10 mi1 species · 3 records
Last stocked June 2021
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 16, 2012 | Rainbow Trout | 800 | 2.71" | Montana fish & wildlife agency |
| June 22, 2011 | Rainbow Trout | 800 | 3.6" | Montana fish & wildlife agency |
| May 18, 2010 | Rainbow Trout | 800 | 3.59" | Montana fish & wildlife agency |
| May 20, 2009 | Rainbow Trout | 812 | 4" | Montana fish & wildlife agency |
| April 28, 2008 | Rainbow Trout | 850 | 3.28" | Montana fish & wildlife agency |
| April 16, 2007 | Rainbow Trout | 831 | 3.21" | Montana fish & wildlife agency |
| April 14, 2006 | Rainbow Trout | 659 | 3.08" | Montana fish & wildlife agency |
| April 14, 2006 | Rainbow Trout | 218 | 3.06" | Montana fish & wildlife agency |
Show 5 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 12, 2005 | Rainbow Trout | 813 | 2.85" | Montana fish & wildlife agency |
| April 7, 2004 | Rainbow Trout | 870 | 2.58" | Montana fish & wildlife agency |
| April 9, 2003 | Rainbow Trout | 803 | 3.1" | Montana fish & wildlife agency |
| July 19, 1982 | Largemouth Bass | 800 | 2" | Montana fish & wildlife agency |
| July 15, 1975 | Largemouth Bass | 2,000 | 1" | Montana fish & wildlife agency |
Frequently asked
When was Thundercloud Reservoir last stocked?
According to Montana fish & wildlife agency, Thundercloud Reservoir was last stocked May 16, 2012 with Rainbow Trout.
What fish species are stocked in Thundercloud Reservoir?
Thundercloud Reservoir is stocked with Rainbow Trout and Largemouth Bass.
What time of year is Thundercloud Reservoir stocked?
Thundercloud Reservoir is typically stocked in spring, most often in April.
How often is Thundercloud Reservoir stocked?
Thundercloud Reservoir is stocked intermittently — 13 recorded stockings between 1975 and 2012.
How many fish have been stocked in Thundercloud Reservoir?
About 11,056 fish have been stocked in Thundercloud Reservoir across 13 recorded events since 1975, per Montana fish & wildlife agency.
What size are the fish stocked in Thundercloud Reservoir?
Fish stocked in Thundercloud Reservoir average about 2.9 inches, based on the sizes the agency reported.