Eightmile Springs Fish Stocking
Montana · 1929–2026 on record
According to Montana fish & wildlife agency, Eightmile Springs was last stocked May 13, 2026 with Rainbow Trout. Eightmile Springs has 72 stocking records on file, spanning 1929–2026, with about 145,713 fish stocked over that period.
When Eightmile Springs is stocked
Eightmile Springs is typically stocked in spring, most often in May — 31 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Eightmile Springs, freshest activity first.
Leningtons Reservoir
14 mi5 species · 62 records
Last stocked October 2025
Marias River
18 mi8 species · 247 records
Last stocked September 2023
Onstadt Res
18 mi1 species · 1 records
Last stocked July 1997
Belt Creek
18 mi4 species · 339 records
Last stocked August 1996
Shaw Reservoir
15 mi2 species · 3 records
Last stocked June 1994
Boyle Coulee
14 mi1 species · 2 records
Last stocked August 1989
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 13, 2026 | Rainbow Trout | 1,000 | 7.64" | Montana fish & wildlife agency |
| August 12, 2025 | Largemouth Bass | 1,500 | 1.86" | Montana fish & wildlife agency |
| May 28, 2025 | Rainbow Trout | 1,500 | 7.64" | Montana fish & wildlife agency |
| August 13, 2024 | Largemouth Bass | 1,500 | 1.35" | Montana fish & wildlife agency |
| May 28, 2024 | Rainbow Trout | 1,500 | 4.7" | Montana fish & wildlife agency |
| July 27, 2023 | Largemouth Bass | 1,500 | 1.8" | Montana fish & wildlife agency |
| May 26, 2023 | Rainbow Trout | 1,500 | 7.03" | Montana fish & wildlife agency |
| May 16, 2022 | Rainbow Trout | 1,500 | 7.32" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 22, 2021 | Largemouth Bass | 1,500 | 1.92" | Montana fish & wildlife agency |
| May 18, 2021 | Rainbow Trout | 1,500 | 7.4" | Montana fish & wildlife agency |
| July 15, 2020 | Largemouth Bass | 1,500 | 0.77" | Montana fish & wildlife agency |
| May 27, 2020 | Rainbow Trout | 1,500 | 7.49" | Montana fish & wildlife agency |
| July 27, 2019 | Largemouth Bass | 2,086 | 1.55" | Montana fish & wildlife agency |
| May 21, 2019 | Rainbow Trout | 1,500 | 6.7" | Montana fish & wildlife agency |
| July 26, 2018 | Largemouth Bass | 1,500 | 2.32" | Montana fish & wildlife agency |
| May 23, 2018 | Rainbow Trout | 1,500 | 6.45" | Montana fish & wildlife agency |
| August 2, 2017 | Largemouth Bass | 1,500 | 3.03" | Montana fish & wildlife agency |
| May 18, 2017 | Rainbow Trout | 1,500 | 7.7" | Montana fish & wildlife agency |
| August 10, 2016 | Largemouth Bass | 1,500 | 1.62" | Montana fish & wildlife agency |
| May 3, 2016 | Rainbow Trout | 1,500 | 7.4" | Montana fish & wildlife agency |
| August 12, 2015 | Largemouth Bass | 1,500 | 2.5" | Montana fish & wildlife agency |
| April 27, 2015 | Rainbow Trout | 1,500 | 6.83" | Montana fish & wildlife agency |
| July 17, 2014 | Largemouth Bass | 1,500 | 1.3" | Montana fish & wildlife agency |
| May 1, 2014 | Rainbow Trout | 1,563 | 7.42" | Montana fish & wildlife agency |
| August 1, 2013 | Largemouth Bass | 1,500 | 2.3" | Montana fish & wildlife agency |
| May 7, 2013 | Rainbow Trout | 1,500 | 6.9" | Montana fish & wildlife agency |
| August 8, 2012 | Largemouth Bass | 2,000 | 1.5" | Montana fish & wildlife agency |
| May 16, 2012 | Rainbow Trout | 1,500 | 6.6" | Montana fish & wildlife agency |
| May 3, 2011 | Rainbow Trout | 1,500 | 6.9" | Montana fish & wildlife agency |
| April 27, 2011 | Brook Trout | 1,000 | 2.7" | Montana fish & wildlife agency |
| May 10, 2002 | Rainbow Trout | 1,500 | 6.3" | Montana fish & wildlife agency |
| May 4, 2001 | Rainbow Trout | 1,500 | 6.8" | Montana fish & wildlife agency |
| April 25, 2000 | Rainbow Trout | 1,500 | 6" | Montana fish & wildlife agency |
| August 3, 1999 | Channel Catfish | 1,150 | 2.4" | Montana fish & wildlife agency |
| May 6, 1999 | Rainbow Trout | 1,500 | 5.5" | Montana fish & wildlife agency |
| July 30, 1998 | Channel Catfish | 1,300 | 3.3" | Montana fish & wildlife agency |
| May 5, 1998 | Rainbow Trout | 1,500 | 6" | Montana fish & wildlife agency |
| June 3, 1997 | Rainbow Trout | 1,500 | 7" | Montana fish & wildlife agency |
| April 25, 1996 | Rainbow Trout | 1,500 | 3.9" | Montana fish & wildlife agency |
| April 19, 1995 | Rainbow Trout | 1,000 | 4.4" | Montana fish & wildlife agency |
| April 21, 1994 | Rainbow Trout | 1,000 | 4.1" | Montana fish & wildlife agency |
| May 14, 1993 | Rainbow Trout | 1,000 | 3.9" | Montana fish & wildlife agency |
| April 30, 1991 | Rainbow Trout | 1,023 | 4.3" | Montana fish & wildlife agency |
| April 13, 1990 | Rainbow Trout | 1,000 | 4" | Montana fish & wildlife agency |
| June 9, 1989 | Rainbow Trout | 1,000 | 4.8" | Montana fish & wildlife agency |
| May 10, 1988 | Rainbow Trout | 1,044 | 5.2" | Montana fish & wildlife agency |
| April 16, 1987 | Rainbow Trout | 1,041 | 4.2" | Montana fish & wildlife agency |
| April 22, 1986 | Rainbow Trout | 1,996 | 5" | Montana fish & wildlife agency |
| April 18, 1985 | Rainbow Trout | 2,035 | 4" | Montana fish & wildlife agency |
| April 16, 1984 | Rainbow Trout | 2,014 | 4" | Montana fish & wildlife agency |
Showing 50 of 72 stocking records.
Frequently asked
When was Eightmile Springs last stocked?
According to Montana fish & wildlife agency, Eightmile Springs was last stocked May 13, 2026 with Rainbow Trout.
What fish species are stocked in Eightmile Springs?
Eightmile Springs is stocked with Rainbow Trout, Largemouth Bass, Brook Trout, Channel Catfish, Sunfish, and Coho Salmon.
What time of year is Eightmile Springs stocked?
Eightmile Springs is typically stocked in spring, most often in May.
How often is Eightmile Springs stocked?
Eightmile Springs is stocked intermittently — 72 recorded stockings between 1929 and 2026.
How many fish have been stocked in Eightmile Springs?
About 145,713 fish have been stocked in Eightmile Springs across 72 recorded events since 1929, per Montana fish & wildlife agency.
What size are the fish stocked in Eightmile Springs?
Fish stocked in Eightmile Springs average about 4.4 inches, based on the sizes the agency reported.