Sentinel Reservoir Fish Stocking
Montana · 1970–2025 on record
According to Montana fish & wildlife agency, Sentinel Reservoir was last stocked May 14, 2025 with Rainbow Trout. Sentinel Reservoir has 58 stocking records on file, spanning 1970–2025, with about 281,825 fish stocked over that period.
When Sentinel Reservoir is stocked
Sentinel Reservoir is typically stocked in spring, most often in April — 31 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Sentinel Reservoir, freshest activity first.
Paleface Reservoir
2 mi4 species · 18 records
Last stocked September 2025
Taint Reservoir
4 mi3 species · 47 records
Last stocked September 2025
Whiteface Reservoir
3 mi2 species · 7 records
Last stocked August 2025
Lark Reservoir
5 mi3 species · 32 records
Last stocked August 2025
Bresaylor Reservoir
5 mi1 species · 10 records
Last stocked August 2025
Batosh Reservoir
4 mi1 species · 21 records
Last stocked May 2025
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 14, 2025 | Rainbow Trout | 6,000 | 3.17" | Montana fish & wildlife agency |
| May 14, 2024 | Rainbow Trout | 6,000 | 2.92" | Montana fish & wildlife agency |
| May 16, 2023 | Rainbow Trout | 6,000 | 2.63" | Montana fish & wildlife agency |
| May 10, 2022 | Rainbow Trout | 6,000 | 3.25" | Montana fish & wildlife agency |
| May 17, 2021 | Rainbow Trout | 6,000 | 3.12" | Montana fish & wildlife agency |
| May 7, 2020 | Rainbow Trout | 6,185 | 3.08" | Montana fish & wildlife agency |
| May 13, 2019 | Rainbow Trout | 6,000 | 2.65" | Montana fish & wildlife agency |
| May 3, 2018 | Rainbow Trout | 6,000 | 2.47" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 10, 2017 | Rainbow Trout | 6,006 | 2.56" | Montana fish & wildlife agency |
| April 7, 2016 | Rainbow Trout | 6,000 | 2.09" | Montana fish & wildlife agency |
| April 16, 2015 | Rainbow Trout | 6,000 | 1.89" | Montana fish & wildlife agency |
| April 16, 2014 | Rainbow Trout | 6,000 | 2.06" | Montana fish & wildlife agency |
| June 27, 2013 | Rainbow Trout | 6,000 | 3.21" | Montana fish & wildlife agency |
| May 16, 2012 | Rainbow Trout | 6,000 | 2.71" | Montana fish & wildlife agency |
| June 22, 2011 | Rainbow Trout | 6,000 | 3.6" | Montana fish & wildlife agency |
| May 18, 2010 | Rainbow Trout | 6,000 | 3.59" | Montana fish & wildlife agency |
| May 20, 2009 | Rainbow Trout | 5,986 | 4" | Montana fish & wildlife agency |
| April 28, 2008 | Rainbow Trout | 6,022 | 3.28" | Montana fish & wildlife agency |
| April 16, 2007 | Rainbow Trout | 6,040 | 3.21" | Montana fish & wildlife agency |
| April 14, 2006 | Rainbow Trout | 1,653 | 3.06" | Montana fish & wildlife agency |
| April 14, 2006 | Rainbow Trout | 4,948 | 3.08" | Montana fish & wildlife agency |
| April 12, 2005 | Rainbow Trout | 6,016 | 2.85" | Montana fish & wildlife agency |
| October 22, 2004 | Rainbow Trout | 5,047 | 3.16" | Montana fish & wildlife agency |
| April 7, 2004 | Rainbow Trout | 6,090 | 2.58" | Montana fish & wildlife agency |
| April 9, 2003 | Rainbow Trout | 6,022 | 3.1" | Montana fish & wildlife agency |
| April 12, 2002 | Rainbow Trout | 5,000 | 3" | Montana fish & wildlife agency |
| April 17, 2001 | Rainbow Trout | 5,175 | 2.8" | Montana fish & wildlife agency |
| April 14, 1999 | Rainbow Trout | 6,033 | 3.4" | Montana fish & wildlife agency |
| April 14, 1998 | Rainbow Trout | 6,068 | 3.2" | Montana fish & wildlife agency |
| April 23, 1997 | Rainbow Trout | 6,000 | 3" | Montana fish & wildlife agency |
| April 16, 1996 | Rainbow Trout | 6,018 | 2.4" | Montana fish & wildlife agency |
| April 17, 1995 | Rainbow Trout | 5,970 | 2.8" | Montana fish & wildlife agency |
| April 12, 1994 | Rainbow Trout | 6,000 | 3.1" | Montana fish & wildlife agency |
| April 8, 1993 | Rainbow Trout | 4,046 | 2.9" | Montana fish & wildlife agency |
| April 3, 1992 | Rainbow Trout | 3,990 | 2.9" | Montana fish & wildlife agency |
| April 9, 1991 | Rainbow Trout | 4,040 | 3.2" | Montana fish & wildlife agency |
| April 6, 1990 | Rainbow Trout | 4,000 | 3.3" | Montana fish & wildlife agency |
| April 20, 1989 | Rainbow Trout | 3,996 | 3.5" | Montana fish & wildlife agency |
| April 6, 1988 | Rainbow Trout | 4,000 | 3.4" | Montana fish & wildlife agency |
| April 14, 1987 | Rainbow Trout | 4,510 | 3.3" | Montana fish & wildlife agency |
| May 21, 1986 | Rainbow Trout | 5,027 | 4" | Montana fish & wildlife agency |
| April 15, 1985 | Rainbow Trout | 3,993 | 5" | Montana fish & wildlife agency |
| April 19, 1984 | Rainbow Trout | 3,984 | 4" | Montana fish & wildlife agency |
| May 24, 1983 | Rainbow Trout | 4,004 | 5" | Montana fish & wildlife agency |
| September 8, 1982 | Rainbow Trout | 717 | 9" | Montana fish & wildlife agency |
| May 6, 1982 | Rainbow Trout | 4,003 | 5" | Montana fish & wildlife agency |
| April 21, 1981 | Rainbow Trout | 3,510 | 4" | Montana fish & wildlife agency |
| May 8, 1980 | Rainbow Trout | 4,032 | 5" | Montana fish & wildlife agency |
| July 10, 1979 | Rainbow Trout | 4,070 | 5" | Montana fish & wildlife agency |
| July 24, 1978 | Rainbow Trout | 5,258 | 6" | Montana fish & wildlife agency |
Showing 50 of 58 stocking records.
Frequently asked
When was Sentinel Reservoir last stocked?
According to Montana fish & wildlife agency, Sentinel Reservoir was last stocked May 14, 2025 with Rainbow Trout.
What fish species are stocked in Sentinel Reservoir?
Sentinel Reservoir is stocked with Rainbow Trout.
What time of year is Sentinel Reservoir stocked?
Sentinel Reservoir is typically stocked in spring, most often in April.
How often is Sentinel Reservoir stocked?
Sentinel Reservoir is stocked intermittently — 58 recorded stockings between 1970 and 2025.
How many fish have been stocked in Sentinel Reservoir?
About 281,825 fish have been stocked in Sentinel Reservoir across 58 recorded events since 1970, per Montana fish & wildlife agency.
What size are the fish stocked in Sentinel Reservoir?
Fish stocked in Sentinel Reservoir average about 3.7 inches, based on the sizes the agency reported.