Janssen Reservoir Fish Stocking
Montana · 1968–2013 on record
According to Montana fish & wildlife agency, Janssen Reservoir was last stocked April 11, 2013 with Rainbow Trout. Janssen Reservoir has 22 stocking records on file, spanning 1968–2013, with about 67,501 fish stocked over that period.
When Janssen Reservoir is stocked
Janssen Reservoir is typically stocked in spring, most often in April — 13 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Janssen Reservoir, freshest activity first.
Stanley Pond
13 mi2 species · 3 records
Last stocked May 2025
Gaskill Reservoir # 1
17 mi1 species · 5 records
Last stocked May 2025
Losinski Pond #3
14 mi2 species · 28 records
Last stocked July 2019
Carter Pond
13 mi1 species · 11 records
Last stocked April 1984
Emmons Pond
12 mi1 species · 1 records
Last stocked July 1983
Smith Reservoir 2
14 mi2 species · 5 records
Last stocked April 1981
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 11, 2013 | Rainbow Trout | 2,500 | 2" | Montana fish & wildlife agency |
| April 18, 2012 | Rainbow Trout | 2,500 | 2.15" | Montana fish & wildlife agency |
| April 21, 2011 | Rainbow Trout | 2,500 | 2" | Montana fish & wildlife agency |
| April 21, 2010 | Rainbow Trout | 2,500 | 2.6" | Montana fish & wildlife agency |
| April 14, 2009 | Rainbow Trout | 2,500 | 2" | Montana fish & wildlife agency |
| April 6, 2008 | Rainbow Trout | 2,500 | 2.4" | Montana fish & wildlife agency |
| April 18, 2007 | Rainbow Trout | 2,500 | 2.6" | Montana fish & wildlife agency |
| May 18, 2006 | Rainbow Trout | 2,501 | 3.44" | Montana fish & wildlife agency |
Show 14 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| March 31, 2005 | Rainbow Trout | 2,500 | 2.4" | Montana fish & wildlife agency |
| March 29, 2004 | Rainbow Trout | 2,500 | 2.3" | Montana fish & wildlife agency |
| March 27, 2003 | Rainbow Trout | 2,500 | 2.1" | Montana fish & wildlife agency |
| April 15, 2002 | Rainbow Trout | 2,500 | 2.6" | Montana fish & wildlife agency |
| April 5, 2001 | Rainbow Trout | 2,500 | 2.4" | Montana fish & wildlife agency |
| April 6, 2000 | Rainbow Trout | 2,500 | 2.4" | Montana fish & wildlife agency |
| April 29, 1999 | Rainbow Trout | 2,500 | 2.9" | Montana fish & wildlife agency |
| April 28, 1998 | Rainbow Trout | 2,500 | 3.2" | Montana fish & wildlife agency |
| May 15, 1997 | Rainbow Trout | 2,500 | 3" | Montana fish & wildlife agency |
| May 7, 1996 | Rainbow Trout | 2,500 | 2.9" | Montana fish & wildlife agency |
| May 18, 1995 | Rainbow Trout | 2,500 | 2.9" | Montana fish & wildlife agency |
| May 9, 1994 | Rainbow Trout | 2,500 | 3.5" | Montana fish & wildlife agency |
| May 14, 1993 | Rainbow Trout | 2,500 | 2.9" | Montana fish & wildlife agency |
| April 30, 1968 | Northern Pike | 15,000 | 1" | Montana fish & wildlife agency |
Frequently asked
When was Janssen Reservoir last stocked?
According to Montana fish & wildlife agency, Janssen Reservoir was last stocked April 11, 2013 with Rainbow Trout.
What fish species are stocked in Janssen Reservoir?
Janssen Reservoir is stocked with Rainbow Trout and Northern Pike.
What time of year is Janssen Reservoir stocked?
Janssen Reservoir is typically stocked in spring, most often in April.
How often is Janssen Reservoir stocked?
Janssen Reservoir is stocked intermittently — 22 recorded stockings between 1968 and 2013.
How many fish have been stocked in Janssen Reservoir?
About 67,501 fish have been stocked in Janssen Reservoir across 22 recorded events since 1968, per Montana fish & wildlife agency.
What size are the fish stocked in Janssen Reservoir?
Fish stocked in Janssen Reservoir average about 2.5 inches, based on the sizes the agency reported.