Watt Reservoir Fish Stocking
Montana · 1964–2025 on record
According to Montana fish & wildlife agency, Watt Reservoir was last stocked May 14, 2025 with Rainbow Trout. Watt Reservoir has 48 stocking records on file, spanning 1964–2025, with about 91,200 fish stocked over that period.
When Watt Reservoir is stocked
Watt Reservoir is typically stocked in spring, most often in April — 21 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Watt Reservoir, freshest activity first.
Clark Reservoir
1 mi3 species · 58 records
Last stocked May 2025
Engdahl Reservoir 2
7 mi2 species · 13 records
Last stocked May 1995
Coulter Trout Pond
4 mi1 species · 5 records
Last stocked May 1994
Stanton Reservoir #1
9 mi1 species · 1 records
Last stocked August 1989
Engdahl Reservoir #1
8 mi3 species · 5 records
Last stocked July 1986
McKeever Trout Reservoir
3 mi1 species · 1 records
Last stocked April 1984
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 14, 2025 | Rainbow Trout | 2,000 | 2.26" | Montana fish & wildlife agency |
| May 24, 2024 | Rainbow Trout | 2,000 | 1.78" | Montana fish & wildlife agency |
| May 18, 2023 | Rainbow Trout | 2,000 | 2.27" | Montana fish & wildlife agency |
| April 28, 2022 | Rainbow Trout | 2,000 | 2" | Montana fish & wildlife agency |
| June 9, 2021 | Rainbow Trout | 2,000 | 2.51" | Montana fish & wildlife agency |
| April 23, 2020 | Rainbow Trout | 2,000 | 4.42" | Montana fish & wildlife agency |
| April 25, 2019 | Rainbow Trout | 2,000 | 1.88" | Montana fish & wildlife agency |
| May 3, 2018 | Rainbow Trout | 2,000 | 2.01" | Montana fish & wildlife agency |
Show 40 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 13, 2017 | Rainbow Trout | 2,000 | 1.98" | Montana fish & wildlife agency |
| April 6, 2016 | Rainbow Trout | 2,000 | 1.9" | Montana fish & wildlife agency |
| April 8, 2015 | Rainbow Trout | 2,000 | 1.8" | Montana fish & wildlife agency |
| April 16, 2014 | Rainbow Trout | 2,000 | 2" | Montana fish & wildlife agency |
| April 12, 2013 | Rainbow Trout | 2,000 | 2" | Montana fish & wildlife agency |
| April 19, 2012 | Rainbow Trout | 2,000 | 2.15" | Montana fish & wildlife agency |
| April 23, 2011 | Rainbow Trout | 2,000 | 2" | Montana fish & wildlife agency |
| April 20, 2010 | Rainbow Trout | 2,000 | 2.6" | Montana fish & wildlife agency |
| April 17, 2009 | Rainbow Trout | 2,000 | 2" | Montana fish & wildlife agency |
| April 7, 2008 | Rainbow Trout | 2,000 | 2.4" | Montana fish & wildlife agency |
| April 17, 2007 | Rainbow Trout | 2,000 | 2.6" | Montana fish & wildlife agency |
| April 8, 2006 | Rainbow Trout | 2,000 | 2.4" | Montana fish & wildlife agency |
| March 29, 2005 | Rainbow Trout | 2,000 | 2.4" | Montana fish & wildlife agency |
| March 31, 2004 | Rainbow Trout | 2,000 | 2.3" | Montana fish & wildlife agency |
| March 26, 2003 | Rainbow Trout | 2,000 | 2.1" | Montana fish & wildlife agency |
| March 29, 2000 | Rainbow Trout | 2,000 | 2.4" | Montana fish & wildlife agency |
| April 20, 1999 | Rainbow Trout | 2,000 | 2.9" | Montana fish & wildlife agency |
| May 8, 1998 | Rainbow Trout | 2,000 | 2.9" | Montana fish & wildlife agency |
| April 29, 1997 | Rainbow Trout | 2,000 | 3" | Montana fish & wildlife agency |
| May 22, 1996 | Rainbow Trout | 2,000 | 3" | Montana fish & wildlife agency |
| May 4, 1995 | Rainbow Trout | 2,000 | 2.7" | Montana fish & wildlife agency |
| May 6, 1994 | Rainbow Trout | 2,000 | 3.2" | Montana fish & wildlife agency |
| May 12, 1993 | Rainbow Trout | 2,000 | 2.9" | Montana fish & wildlife agency |
| March 10, 1992 | Rainbow Trout | 2,000 | 2.3" | Montana fish & wildlife agency |
| April 2, 1991 | Rainbow Trout | 2,500 | 2.3" | Montana fish & wildlife agency |
| April 13, 1990 | Rainbow Trout | 2,000 | 2.8" | Montana fish & wildlife agency |
| May 24, 1989 | Rainbow Trout | 2,000 | 3.3" | Montana fish & wildlife agency |
| May 17, 1988 | Rainbow Trout | 2,000 | 3" | Montana fish & wildlife agency |
| May 7, 1987 | Rainbow Trout | 2,000 | 3.2" | Montana fish & wildlife agency |
| April 9, 1986 | Rainbow Trout | 2,000 | 4" | Montana fish & wildlife agency |
| May 3, 1983 | Rainbow Trout | 1,000 | 4" | Montana fish & wildlife agency |
| May 11, 1979 | Rainbow Trout | 1,000 | 2" | Montana fish & wildlife agency |
| April 13, 1977 | Rainbow Trout | 1,000 | 2" | Montana fish & wildlife agency |
| June 11, 1975 | Rainbow Trout | 1,000 | 4" | Montana fish & wildlife agency |
| July 29, 1971 | Largemouth Bass | 500 | 2" | Montana fish & wildlife agency |
| June 12, 1971 | Rainbow Trout | 1,000 | 3" | Montana fish & wildlife agency |
| June 12, 1971 | Rainbow Trout | 1,200 | 3" | Montana fish & wildlife agency |
| May 16, 1969 | Rainbow Trout | 2,500 | 4" | Montana fish & wildlife agency |
| May 9, 1967 | Rainbow Trout | 2,500 | 3" | Montana fish & wildlife agency |
| October 14, 1964 | Rainbow Trout | 3,000 | 5" | Montana fish & wildlife agency |
Frequently asked
When was Watt Reservoir last stocked?
According to Montana fish & wildlife agency, Watt Reservoir was last stocked May 14, 2025 with Rainbow Trout.
What fish species are stocked in Watt Reservoir?
Watt Reservoir is stocked with Rainbow Trout and Largemouth Bass.
What time of year is Watt Reservoir stocked?
Watt Reservoir is typically stocked in spring, most often in April.
How often is Watt Reservoir stocked?
Watt Reservoir is stocked intermittently — 48 recorded stockings between 1964 and 2025.
How many fish have been stocked in Watt Reservoir?
About 91,200 fish have been stocked in Watt Reservoir across 48 recorded events since 1964, per Montana fish & wildlife agency.
What size are the fish stocked in Watt Reservoir?
Fish stocked in Watt Reservoir average about 2.7 inches, based on the sizes the agency reported.