Stocking Report
Largemouth Bass stocking in Montana
829 recorded stockings, 185 waters, averaging 2.01" at release, from Montana Fish, Wildlife & Parks records. Every water links to its own page.
Latest recorded stocking: Oct 15, 2025
When largemouth bass goes in
96% of recorded stockings happen from July through August.
- 0%Jan
- Feb
- Mar
- 0%Apr
- 0%May
- 0%Jun
- 60%Jul
- 36%Aug
- 3%Sep
- 1%Oct
- 0%Nov
- Dec
Share of all recorded largemouth bass 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 largemouth bass gets stocked in Montana
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Payola Reservoir | Not reported | 22 | 83,500 | Aug 7, 2025 |
| Drag Creek Reservoir | Not reported | 20 | 34,700 | Jul 13, 2020 |
| Blanchard Lake | Not reported | 19 | 255,062 | Aug 8, 2024 |
| Murphy Lake | Lincoln | 17 | 251,304 | Aug 8, 2024 |
| Spotted Eagle Lake | Custer | 16 | 49,999 | Oct 15, 2025 |
| Iliad Reservoir | Not reported | 16 | 31,500 | Aug 12, 2025 |
| Kolar Reservoir 2 | Not reported | 15 | 29,100 | Aug 7, 2025 |
| Lake Josephine | Glacier | 15 | 110,740 | Aug 6, 2025 |
| Silvan Pond | Not reported | 14 | 27,500 | Aug 12, 2025 |
| Anita Reservoir | Yellowstone | 14 | 27,500 | Aug 6, 2025 |
| Eightmile Springs | Chouteau | 13 | 20,586 | Aug 12, 2025 |
| South Fork Blood Reservoir | Not reported | 13 | 26,800 | Aug 7, 2025 |
| Largent Bend Pond # 2 | Not reported | 12 | 8,182 | Aug 14, 2025 |
| Shiloh Conservation Pond 1 | Not reported | 11 | 10,350 | Aug 6, 2025 |
| Whisker Reservoir | Not reported | 11 | 21,800 | Aug 12, 2024 |
| Lake Mary Ronan | Lake | 11 | 240,088 | Aug 8, 2024 |
| Bresaylor Reservoir | Not reported | 10 | 5,000 | Aug 19, 2025 |
| Leningtons Reservoir | Not reported | 10 | 20,182 | Aug 12, 2025 |
| Big Casino Creek Reservoir | Not reported | 10 | 50,000 | Aug 7, 2025 |
| Dry Blood Reservoir | Not reported | 10 | 17,800 | Aug 7, 2025 |
| Popelka Pond | Not reported | 10 | 4,000 | Aug 6, 2025 |
| Hollands Reservoir | Not reported | 10 | 22,000 | Jul 23, 2013 |
| Cole Pond NNW | Not reported | 9 | 24,273 | Aug 26, 2025 |
| Wadsworth Lake | Not reported | 9 | 26,800 | Aug 14, 2025 |
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.
