Lanning Reservoir Fish Stocking
Montana · 1991–2025 on record
According to Montana fish & wildlife agency, Lanning Reservoir was last stocked June 16, 2025 with Rainbow Trout. Lanning Reservoir has 26 stocking records on file, spanning 1991–2025, with about 25,772 fish stocked over that period.
When Lanning Reservoir is stocked
Lanning Reservoir is typically stocked in summer, most often in June — 22 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Lanning Reservoir, freshest activity first.
Silvan Pond
4 mi2 species · 20 records
Last stocked August 2025
Gasvoda Reservoir
4 mi2 species · 19 records
Last stocked August 2025
Iliad Reservoir
16 mi2 species · 24 records
Last stocked August 2025
Crow Coulee Reservoir
15 mi4 species · 18 records
Last stocked June 2025
Pegar Reservoir
2 mi1 species · 36 records
Last stocked June 2022
Williamson Reservoir
18 mi4 species · 25 records
Last stocked May 2008
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 16, 2025 | Rainbow Trout | 1,000 | 3.75" | Montana fish & wildlife agency |
| June 11, 2024 | Rainbow Trout | 1,000 | 3.71" | Montana fish & wildlife agency |
| June 21, 2023 | Rainbow Trout | 1,000 | 3.42" | Montana fish & wildlife agency |
| June 9, 2022 | Rainbow Trout | 1,000 | 3.24" | Montana fish & wildlife agency |
| June 3, 2021 | Rainbow Trout | 1,000 | 3.4" | Montana fish & wildlife agency |
| June 3, 2020 | Rainbow Trout | 1,000 | 3.37" | Montana fish & wildlife agency |
| June 5, 2019 | Rainbow Trout | 1,000 | 3.5" | Montana fish & wildlife agency |
| June 8, 2018 | Rainbow Trout | 1,000 | 3.1" | Montana fish & wildlife agency |
Show 18 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 20, 2017 | Rainbow Trout | 1,000 | 3.6" | Montana fish & wildlife agency |
| June 9, 2015 | Rainbow Trout | 1,000 | 3.61" | Montana fish & wildlife agency |
| June 12, 2014 | Rainbow Trout | 1,000 | 3.6" | Montana fish & wildlife agency |
| June 12, 2013 | Rainbow Trout | 1,150 | 3.85" | Montana fish & wildlife agency |
| July 5, 2012 | Rainbow Trout | 1,000 | 3.6" | Montana fish & wildlife agency |
| June 28, 2011 | Rainbow Trout | 1,000 | 3.5" | Montana fish & wildlife agency |
| June 10, 2010 | Rainbow Trout | 1,000 | 3" | Montana fish & wildlife agency |
| June 30, 2009 | Rainbow Trout | 1,000 | 4" | Montana fish & wildlife agency |
| June 25, 2008 | Rainbow Trout | 1,000 | 3.5" | Montana fish & wildlife agency |
| June 22, 2007 | Rainbow Trout | 1,000 | 4.1" | Montana fish & wildlife agency |
| June 30, 2006 | Rainbow Trout | 1,100 | 3" | Montana fish & wildlife agency |
| July 14, 2005 | Rainbow Trout | 1,000 | 3.9" | Montana fish & wildlife agency |
| July 13, 2004 | Rainbow Trout | 1,000 | 3.6" | Montana fish & wildlife agency |
| June 4, 2003 | Rainbow Trout | 1,000 | 4.6" | Montana fish & wildlife agency |
| June 15, 1994 | Rainbow Trout | 505 | 5.1" | Montana fish & wildlife agency |
| June 15, 1994 | Brook Trout | 1,016 | 4" | Montana fish & wildlife agency |
| June 9, 1993 | Brook Trout | 1,001 | 3.3" | Montana fish & wildlife agency |
| July 2, 1991 | Rainbow Trout | 1,000 | 4" | Montana fish & wildlife agency |
Frequently asked
When was Lanning Reservoir last stocked?
According to Montana fish & wildlife agency, Lanning Reservoir was last stocked June 16, 2025 with Rainbow Trout.
What fish species are stocked in Lanning Reservoir?
Lanning Reservoir is stocked with Rainbow Trout and Brook Trout.
What time of year is Lanning Reservoir stocked?
Lanning Reservoir is typically stocked in summer, most often in June.
How often is Lanning Reservoir stocked?
Lanning Reservoir is stocked intermittently — 26 recorded stockings between 1991 and 2025.
How many fish have been stocked in Lanning Reservoir?
About 25,772 fish have been stocked in Lanning Reservoir across 26 recorded events since 1991, per Montana fish & wildlife agency.
What size are the fish stocked in Lanning Reservoir?
Fish stocked in Lanning Reservoir average about 3.7 inches, based on the sizes the agency reported.