Lanning Reservoir - stocking report
Lanning Reservoir was last stocked on June 16, 2025: 1,000 Rainbow Trout (3.75 in avg).
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| June 16, 2025 | Rainbow Trout | 1,000 | 3.75 in avg | Giant Springs Trout Hatchery |
| June 11, 2024 | Rainbow Trout | 1,000 | 3.71 in avg | Giant Springs Trout Hatchery |
| June 21, 2023 | Rainbow Trout | 1,000 | 3.42 in avg | Giant Springs Trout Hatchery |
| June 9, 2022 | Rainbow Trout | 1,000 | 3.24 in avg | Giant Springs Trout Hatchery |
| June 3, 2021 | Rainbow Trout | 1,000 | 3.4 in avg | Giant Springs Trout Hatchery |
| June 3, 2020 | Rainbow Trout | 1,000 | 3.37 in avg | Giant Springs Trout Hatchery |
| June 5, 2019 | Rainbow Trout | 1,000 | 3.5 in avg | Giant Springs Trout Hatchery |
| June 8, 2018 | Rainbow Trout | 1,000 | 3.1 in avg | Giant Springs Trout Hatchery |
| June 20, 2017 | Rainbow Trout | 1,000 | 3.6 in avg | Giant Springs Trout Hatchery |
| June 9, 2015 | Rainbow Trout | 1,000 | 3.61 in avg | Giant Springs Trout Hatchery |
| June 12, 2014 | Rainbow Trout | 1,000 | 3.6 in avg | Giant Springs Trout Hatchery |
| June 12, 2013 | Rainbow Trout | 1,150 | 3.85 in avg | Giant Springs Trout Hatchery |
| July 5, 2012 | Rainbow Trout | 1,000 | 3.6 in avg | Giant Springs Trout Hatchery |
| June 28, 2011 | Rainbow Trout | 1,000 | 3.5 in avg | Giant Springs Trout Hatchery |
| June 10, 2010 | Rainbow Trout | 1,000 | 3 in avg | Giant Springs Trout Hatchery |
| June 30, 2009 | Rainbow Trout | 1,000 | 4 in avg | Giant Springs Trout Hatchery |
| June 25, 2008 | Rainbow Trout | 1,000 | 3.5 in avg | Giant Springs Trout Hatchery |
| June 22, 2007 | Rainbow Trout | 1,000 | 4.1 in avg | Giant Springs Trout Hatchery |
| June 30, 2006 | Rainbow Trout | 1,100 | 3 in avg | Giant Springs Trout Hatchery |
| July 14, 2005 | Rainbow Trout | 1,000 | 3.9 in avg | Giant Springs Trout Hatchery |
| July 13, 2004 | Rainbow Trout | 1,000 | 3.6 in avg | Giant Springs Trout Hatchery |
| June 4, 2003 | Rainbow Trout | 1,000 | 4.6000000000000005 in avg | Giant Springs Trout Hatchery |
| June 15, 1994 | Rainbow Trout | 505 | 5.1000000000000005 in avg | Giant Springs Trout Hatchery |
| June 15, 1994 | Brook Trout | 1,016 | 4 in avg | Giant Springs Trout Hatchery |
| June 9, 1993 | Brook Trout | 1,001 | 3.3000000000000003 in avg | Murray Springs Trout Hatchery |
| July 2, 1991 | Rainbow Trout | 1,000 | 4 in avg | Giant Springs Trout Hatchery |
Records shown exactly as published by Montana Fish, Wildlife & Parks. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.
Data source: Montana Fish, Wildlife & Parks. Last updated: .