Stocking Report
Largemouth Bass stocking in Montana
288 recorded stockings, 53 waters, averaging 2.03" at release, from Montana state agency records. Every water links to its own page.
Latest recorded stocking: Oct 9, 2025
When largemouth bass goes in
95% of recorded stockings happen from July through August.
- Jan
- Feb
- Mar
- 0%Apr
- May
- 1%Jun
- 56%Jul
- 40%Aug
- 3%Sep
- 0%Oct
- 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 114,409 records to work out why.
Where largemouth bass gets stocked in Montana
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Beavertail Pond | Not reported | 1 | 180 | Jun 4, 2005 |
| Frenchtown Pond | Missoula | 1 | 115 | Jun 4, 2005 |
| Williamson Reservoir | Not reported | 1 | 3,500 | Aug 10, 2004 |
| Anderson Reservoir | Not reported | 1 | 2,000 | Aug 3, 2004 |
| Nellie Creek | Not reported | 1 | 440 | Jul 27, 2000 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
