Big Muddy Reservoir Fish Stocking
Montana · 1969–2022 on record
According to Montana fish & wildlife agency, Big Muddy Reservoir was last stocked May 11, 2022 with Rainbow Trout. Big Muddy Reservoir has 49 stocking records on file, spanning 1969–2022, with about 129,326 fish stocked over that period.
When Big Muddy Reservoir is stocked
Big Muddy Reservoir is typically stocked in spring, most often in April — 22 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Big Muddy Reservoir, freshest activity first.
Knudsen Bros Pond
12 mi3 species · 13 records
Last stocked June 2025
Ikes Fishing Pond
4 mi1 species · 6 records
Last stocked May 2025
Hofman Reservoir
7 mi2 species · 69 records
Last stocked May 2025
Crusch Reservoir
18 mi2 species · 30 records
Last stocked May 2025
Big Horn Dam
14 mi1 species · 63 records
Last stocked May 2008
Bainville RR Pond #1
15 mi9 species · 28 records
Last stocked May 1996
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 11, 2022 | Rainbow Trout | 2,500 | 3.25" | Montana fish & wildlife agency |
| May 28, 2021 | Rainbow Trout | 2,500 | 3.25" | Montana fish & wildlife agency |
| May 12, 2020 | Rainbow Trout | 2,500 | 3.21" | Montana fish & wildlife agency |
| May 14, 2019 | Rainbow Trout | 2,500 | 2.65" | Montana fish & wildlife agency |
| May 4, 2018 | Rainbow Trout | 2,500 | 2.48" | Montana fish & wildlife agency |
| April 14, 2017 | Rainbow Trout | 2,500 | 2.02" | Montana fish & wildlife agency |
| April 8, 2016 | Rainbow Trout | 2,500 | 2.09" | Montana fish & wildlife agency |
| April 17, 2015 | Rainbow Trout | 2,500 | 2.07" | Montana fish & wildlife agency |
Show 41 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 17, 2014 | Rainbow Trout | 2,500 | 2.08" | Montana fish & wildlife agency |
| June 24, 2013 | Rainbow Trout | 2,585 | 3.29" | Montana fish & wildlife agency |
| May 14, 2012 | Rainbow Trout | 2,500 | 2.71" | Montana fish & wildlife agency |
| June 6, 2011 | Rainbow Trout | 2,502 | 3.38" | Montana fish & wildlife agency |
| June 8, 2010 | Rainbow Trout | 2,525 | 4.13" | Montana fish & wildlife agency |
| April 22, 2009 | Rainbow Trout | 2,530 | 3" | Montana fish & wildlife agency |
| April 17, 2007 | Rainbow Trout | 2,526 | 3.1" | Montana fish & wildlife agency |
| July 11, 2006 | Largemouth Bass | 2,900 | 2.8" | Montana fish & wildlife agency |
| April 26, 2006 | Rainbow Trout | 2,650 | 3.21" | Montana fish & wildlife agency |
| April 15, 2005 | Rainbow Trout | 2,461 | 2.77" | Montana fish & wildlife agency |
| June 16, 2004 | Rainbow Trout | 2,500 | 4.2" | Montana fish & wildlife agency |
| April 28, 2003 | Rainbow Trout | 2,478 | 3.12" | Montana fish & wildlife agency |
| April 29, 2002 | Rainbow Trout | 2,639 | 3.2" | Montana fish & wildlife agency |
| April 24, 2001 | Rainbow Trout | 2,503 | 3" | Montana fish & wildlife agency |
| April 19, 2000 | Rainbow Trout | 2,528 | 3" | Montana fish & wildlife agency |
| April 15, 1999 | Rainbow Trout | 2,550 | 3.4" | Montana fish & wildlife agency |
| April 23, 1998 | Rainbow Trout | 2,473 | 3" | Montana fish & wildlife agency |
| April 28, 1997 | Rainbow Trout | 2,524 | 3.3" | Montana fish & wildlife agency |
| April 26, 1996 | Rainbow Trout | 2,619 | 3" | Montana fish & wildlife agency |
| April 18, 1995 | Rainbow Trout | 2,568 | 2.9" | Montana fish & wildlife agency |
| May 3, 1994 | Rainbow Trout | 2,550 | 3.4" | Montana fish & wildlife agency |
| May 2, 1989 | Rainbow Trout | 2,651 | 3.6" | Montana fish & wildlife agency |
| April 7, 1988 | Rainbow Trout | 1,779 | 3.4" | Montana fish & wildlife agency |
| April 14, 1987 | Rainbow Trout | 2,460 | 3.3" | Montana fish & wildlife agency |
| May 27, 1986 | Rainbow Trout | 2,499 | 4" | Montana fish & wildlife agency |
| May 4, 1985 | Rainbow Trout | 2,002 | 4" | Montana fish & wildlife agency |
| May 10, 1984 | Rainbow Trout | 2,511 | 4" | Montana fish & wildlife agency |
| May 3, 1983 | Rainbow Trout | 2,513 | 4" | Montana fish & wildlife agency |
| May 13, 1982 | Rainbow Trout | 3,000 | 3" | Montana fish & wildlife agency |
| May 5, 1980 | Rainbow Trout | 3,000 | 2" | Montana fish & wildlife agency |
| May 23, 1979 | Rainbow Trout | 3,500 | 3" | Montana fish & wildlife agency |
| April 26, 1978 | Rainbow Trout | 3,000 | 2" | Montana fish & wildlife agency |
| April 18, 1977 | Rainbow Trout | 3,500 | 3" | Montana fish & wildlife agency |
| May 6, 1976 | Rainbow Trout | 3,500 | 4" | Montana fish & wildlife agency |
| May 27, 1975 | Rainbow Trout | 3,500 | 4" | Montana fish & wildlife agency |
| June 25, 1974 | Rainbow Trout | 3,500 | 5" | Montana fish & wildlife agency |
| April 5, 1973 | Rainbow Trout | 3,000 | 2" | Montana fish & wildlife agency |
| May 15, 1972 | Rainbow Trout | 2,500 | 3" | Montana fish & wildlife agency |
| June 17, 1971 | Rainbow Trout | 2,500 | 3" | Montana fish & wildlife agency |
| May 19, 1970 | Rainbow Trout | 2,500 | 3" | Montana fish & wildlife agency |
| May 22, 1969 | Rainbow Trout | 2,300 | 4" | Montana fish & wildlife agency |
Frequently asked
When was Big Muddy Reservoir last stocked?
According to Montana fish & wildlife agency, Big Muddy Reservoir was last stocked May 11, 2022 with Rainbow Trout.
What fish species are stocked in Big Muddy Reservoir?
Big Muddy Reservoir is stocked with Rainbow Trout and Largemouth Bass.
What time of year is Big Muddy Reservoir stocked?
Big Muddy Reservoir is typically stocked in spring, most often in April.
How often is Big Muddy Reservoir stocked?
Big Muddy Reservoir is stocked intermittently — 49 recorded stockings between 1969 and 2022.
How many fish have been stocked in Big Muddy Reservoir?
About 129,326 fish have been stocked in Big Muddy Reservoir across 49 recorded events since 1969, per Montana fish & wildlife agency.
What size are the fish stocked in Big Muddy Reservoir?
Fish stocked in Big Muddy Reservoir average about 3.1 inches, based on the sizes the agency reported.