Stocking Report
Walleye stocking in Montana
1,633 recorded stockings, 37 waters, averaging 1.53" at release, from Montana state agency records. Every water links to its own page.
Latest recorded stocking: Aug 21, 2025
When walleye goes in
74% of recorded stockings happen from May through June.
- Jan
- Feb
- Mar
- 2%Apr
- 15%May
- 59%Jun
- 21%Jul
- 2%Aug
- 1%Sep
- 0%Oct
- Nov
- Dec
Share of all recorded walleye 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 walleye gets stocked in Montana
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Fort Peck Lake | Valley | 1,058 | 638,834,324 | Jul 2, 2025 |
| Tongue River Reservoir | Big Horn | 58 | 24,249,518 | Jun 19, 2025 |
| Bighorn Lake | Not reported | 55 | 35,983,863 | Jun 11, 2025 |
| Nelson Reservoir | Not reported | 53 | 1,941,324 | Jun 25, 2025 |
| Beaver Creek Reservoir | Not reported | 50 | 672,918 | Jul 22, 2025 |
| South Sandstone Reservoir | Fallon | 39 | 2,609,254 | Jun 18, 2025 |
| Dailey Lake | Park | 33 | 153,712 | Aug 21, 2025 |
| Boxelder Lake | Sheridan | 28 | 1,603,325 | Jun 30, 2025 |
| Castle Rock Reservoir | Not reported | 26 | 27,149 | Jun 19, 2025 |
| Petrolia Reservoir | Not reported | 25 | 718,699 | Jun 24, 2025 |
| Fresno Reservoir | Hill | 23 | 1,079,809 | Jun 27, 2025 |
| Lake Frances | Not reported | 22 | 1,009,713 | Jun 17, 2025 |
| Ester Lake | Phillips | 21 | 476,835 | Jul 13, 2023 |
| Wadsworth Lake | Not reported | 17 | 82,311 | Jun 17, 2025 |
| Cow Creek Reservoir | Powder River | 15 | 264,780 | Jun 25, 2024 |
| Dry Fork Reservoir | Not reported | 13 | 121,175 | Jun 25, 2025 |
| Beaver Creek | Not reported | 13 | 26,000 | Jun 24, 2013 |
| Gartside Reservoir | Richland | 10 | 324,000 | May 14, 2008 |
| Little Warm Reservoir | Phillips | 9 | 87,885 | Jun 23, 2016 |
| Lake Baker | Not reported | 7 | 50,000 | Jun 18, 2025 |
| Anita Reservoir | Yellowstone | 7 | 40,872 | Jun 25, 2024 |
| Bailey Reservoir | Not reported | 7 | 80,122 | Jun 26, 2019 |
| Trumbo Pond | Not reported | 6 | 6,000 | Jul 1, 2009 |
| Missouri River | St. Charles | 6 | 293,858 | Sep 6, 2006 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
