Martinsdale Reservoir Fish Stocking
Montana · 1934–2026 on record
According to Montana fish & wildlife agency, Martinsdale Reservoir was last stocked May 28, 2026 with Rainbow Trout. Martinsdale Reservoir has 337 stocking records on file, spanning 1934–2026, with about 7,176,343 fish stocked over that period.
When Martinsdale Reservoir is stocked
Martinsdale Reservoir is typically stocked in spring, most often in May — 144 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Martinsdale Reservoir, freshest activity first.
Hundred Dollar Bill Pond
8 mi1 species · 5 records
Last stocked June 2026
North Fork Musselshell River
2 mi4 species · 167 records
Last stocked July 1973
South Fork Musselshell River
2 mi4 species · 121 records
Last stocked June 1970
Haymaker Creek
10 mi2 species · 10 records
Last stocked August 1953
Sandeno Reservoir
12 mi1 species · 1 records
Last stocked July 1953
Bonanza Creek
12 mi2 species · 12 records
Last stocked June 1953
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 28, 2026 | Rainbow Trout | 29,728 | 5.25" | Montana fish & wildlife agency |
| May 14, 2026 | Rainbow Trout | 25,272 | 5.27" | Montana fish & wildlife agency |
| May 21, 2025 | Rainbow Trout | 20,569 | 5.34" | Montana fish & wildlife agency |
| May 20, 2025 | Rainbow Trout | 34,431 | 5.27" | Montana fish & wildlife agency |
| May 21, 2024 | Rainbow Trout | 28,743 | 4.83" | Montana fish & wildlife agency |
| May 21, 2024 | Rainbow Trout | 27,770 | 4.87" | Montana fish & wildlife agency |
| May 31, 2023 | Rainbow Trout | 10,366 | 4.76" | Montana fish & wildlife agency |
| May 25, 2023 | Rainbow Trout | 42,556 | 4.85" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| October 6, 2022 | Rainbow Trout | 5,277 | 4.63" | Montana fish & wildlife agency |
| May 18, 2022 | Rainbow Trout | 49,522 | 3.75" | Montana fish & wildlife agency |
| May 17, 2022 | Brown Trout | 10,355 | 3.86" | Montana fish & wildlife agency |
| August 17, 2021 | Rainbow Trout | 3,130 | 3.73" | Montana fish & wildlife agency |
| May 11, 2021 | Rainbow Trout | 55,629 | 4.3" | Montana fish & wildlife agency |
| October 1, 2020 | Rainbow Trout | 15,016 | 4.45" | Montana fish & wildlife agency |
| May 4, 2020 | Rainbow Trout | 6,036 | 3.73" | Montana fish & wildlife agency |
| May 4, 2020 | Rainbow Trout | 23,611 | 3.96" | Montana fish & wildlife agency |
| May 4, 2020 | Rainbow Trout | 25,493 | 3.99" | Montana fish & wildlife agency |
| September 25, 2019 | Rainbow Trout | 14,814 | 4.23" | Montana fish & wildlife agency |
| June 6, 2019 | Rainbow Trout | 3,523 | 4.5" | Montana fish & wildlife agency |
| May 23, 2019 | Rainbow Trout | 17,145 | 3.94" | Montana fish & wildlife agency |
| May 13, 2019 | Rainbow Trout | 35,281 | 4.07" | Montana fish & wildlife agency |
| September 20, 2018 | Rainbow Trout | 28,270 | 5.49" | Montana fish & wildlife agency |
| June 28, 2018 | Rainbow Trout | 4,836 | 5.11" | Montana fish & wildlife agency |
| May 14, 2018 | Rainbow Trout | 29,170 | 4.17" | Montana fish & wildlife agency |
| May 14, 2018 | Rainbow Trout | 870 | 4.06" | Montana fish & wildlife agency |
| September 18, 2017 | Rainbow Trout | 36,272 | 4.75" | Montana fish & wildlife agency |
| May 2, 2017 | Rainbow Trout | 12,456 | 3.89" | Montana fish & wildlife agency |
| May 2, 2017 | Rainbow Trout | 22,555 | 3.96" | Montana fish & wildlife agency |
| September 21, 2016 | Rainbow Trout | 37,438 | 4.85" | Montana fish & wildlife agency |
| May 13, 2016 | Rainbow Trout | 31,502 | 3.98" | Montana fish & wildlife agency |
| May 13, 2016 | Rainbow Trout | 3,501 | 5.07" | Montana fish & wildlife agency |
| October 29, 2015 | Rainbow Trout | 24,830 | 4.48" | Montana fish & wildlife agency |
| May 19, 2015 | Rainbow Trout | 25,262 | 4.08" | Montana fish & wildlife agency |
| May 19, 2015 | Brown Trout | 12,803 | 3.78" | Montana fish & wildlife agency |
| May 14, 2015 | Rainbow Trout | 45,248 | 3.94" | Montana fish & wildlife agency |
| June 10, 2014 | Cutthroat Trout | 7,000 | 4.63" | Montana fish & wildlife agency |
| May 20, 2014 | Rainbow Trout | 29,892 | 4.18" | Montana fish & wildlife agency |
| May 19, 2014 | Rainbow Trout | 40,942 | 3.97" | Montana fish & wildlife agency |
| October 30, 2013 | Cutthroat Trout | 10,187 | 2.57" | Montana fish & wildlife agency |
| June 19, 2013 | Cutthroat Trout | 7,000 | 4.54" | Montana fish & wildlife agency |
| May 21, 2013 | Rainbow Trout | 40,037 | 4.09" | Montana fish & wildlife agency |
| May 21, 2013 | Rainbow Trout | 29,988 | 4.24" | Montana fish & wildlife agency |
| May 7, 2012 | Rainbow Trout | 25,384 | 3.4" | Montana fish & wildlife agency |
| May 7, 2012 | Rainbow Trout | 45,000 | 3.6" | Montana fish & wildlife agency |
| May 11, 2011 | Rainbow Trout | 35,000 | 3.5" | Montana fish & wildlife agency |
| May 11, 2011 | Rainbow Trout | 35,000 | 3.5" | Montana fish & wildlife agency |
| July 21, 2010 | Rainbow Trout | 1,586 | 5.09" | Montana fish & wildlife agency |
| July 21, 2010 | Brown Trout | 4,932 | 5.77" | Montana fish & wildlife agency |
| July 21, 2010 | Rainbow Trout | 3,542 | 9" | Montana fish & wildlife agency |
| July 2, 2010 | Rainbow Trout | 37,400 | 3.7" | Montana fish & wildlife agency |
Showing 50 of 337 stocking records.
Frequently asked
When was Martinsdale Reservoir last stocked?
According to Montana fish & wildlife agency, Martinsdale Reservoir was last stocked May 28, 2026 with Rainbow Trout.
What fish species are stocked in Martinsdale Reservoir?
Martinsdale Reservoir is stocked with Rainbow Trout, Brown Trout, Cutthroat Trout, and Kokanee.
What time of year is Martinsdale Reservoir stocked?
Martinsdale Reservoir is typically stocked in spring, most often in May.
How often is Martinsdale Reservoir stocked?
Martinsdale Reservoir has been stocked about 4 times a year — 337 recorded stockings between 1934 and 2026.
How many fish have been stocked in Martinsdale Reservoir?
About 7,176,343 fish have been stocked in Martinsdale Reservoir across 337 recorded events since 1934, per Montana fish & wildlife agency.
What size are the fish stocked in Martinsdale Reservoir?
Fish stocked in Martinsdale Reservoir average about 4.8 inches, based on the sizes the agency reported.