Stocking Report
Brown Trout stocking in Montana
225 recorded stockings, 33 waters, averaging 4.36" at release, from Montana Fish, Wildlife & Parks records. Every water links to its own page.
Latest recorded stocking: Jun 18, 2026
When brown trout goes in
76% of recorded stockings happen from May through June.
- Jan
- Feb
- 1%Mar
- 9%Apr
- 32%May
- 44%Jun
- 8%Jul
- 1%Aug
- 4%Sep
- Oct
- Nov
- 1%Dec
Share of all recorded brown trout stockings in Montana, by calendar month. Stocking does not guarantee fish are present. Check current regulations and access before you go.
States run two very different stocking calendars. We looked at all 114,145 records to work out why.
Where brown trout gets stocked in Montana
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Beaver Creek | Not reported | 26 | 58,509 | Jun 24, 2014 |
| Marias River | Chouteau | 23 | 224,006 | Sep 14, 2023 |
| Duck Lake | Not reported | 22 | 348,520 | May 12, 2026 |
| Mission Lake | Glacier | 21 | 256,156 | May 12, 2026 |
| Kipp Lake | Glacier | 19 | 200,166 | May 12, 2026 |
| AMC Settling Pond #3 | Not reported | 13 | 65,108 | May 23, 2013 |
| Milk River | Valley | 11 | 121,023 | Jul 6, 2011 |
| East Fork Reservoir | Not reported | 9 | 35,841 | Jun 19, 2015 |
| Boneau Reservoir | Chouteau | 9 | 83,606 | Jun 14, 2011 |
| Lake Elmo | Yellowstone | 7 | 9,578 | Apr 25, 2024 |
| Newlan Reservoir | Not reported | 7 | 58,615 | Jun 3, 2022 |
| Clear Creek | Not reported | 7 | 13,314 | May 23, 2013 |
| Lodge Grass Storage Reservoir | Big Horn | 5 | 74,367 | Jun 1, 2006 |
| Racetrack Pond | Not reported | 4 | 820 | Jun 18, 2026 |
| Rost Pond | Not reported | 4 | 1,530 | Dec 2, 2024 |
| Deadmans Basin Reservoir | Wheatland | 4 | 71,487 | May 16, 2017 |
| Kingsbury Pond | Not reported | 3 | 1,360 | Jun 6, 2024 |
| Rainbow Dam Reservoir | Not reported | 3 | 38,416 | Sep 15, 2023 |
| Martinsdale Reservoir | Wheatland | 3 | 28,090 | May 17, 2022 |
| Eureka Reservoir | Not reported | 3 | 37,556 | May 18, 2017 |
| Pow Wow Pond | Not reported | 3 | 900 | Jun 15, 2010 |
| Tongue River | Custer | 3 | 9,420 | Jun 20, 2002 |
| Job Corps Pond | Not reported | 3 | 523 | Jul 19, 2000 |
| Ackley Lake | Judith Basin | 2 | 5,021 | May 14, 2024 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
Source: Montana Fish, Wildlife & Parks, from its fish stocking locations dataset.
