Oil Pump Reservoir Fish Stocking
Montana · 1983–2025 on record
According to Montana fish & wildlife agency, Oil Pump Reservoir was last stocked May 13, 2025 with Rainbow Trout. Oil Pump Reservoir has 43 stocking records on file, spanning 1983–2025, with about 84,271 fish stocked over that period.
When Oil Pump Reservoir is stocked
Oil Pump Reservoir is typically stocked in spring, most often in April — 25 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Oil Pump Reservoir, freshest activity first.
Rattlesnake Reservoir
3 mi3 species · 8 records
Last stocked May 2025
Prairie Goat Reservoir
3 mi3 species · 8 records
Last stocked April 2019
Trangmoe Reservoir
11 mi2 species · 3 records
Last stocked May 1990
Shaw Pond
15 mi2 species · 12 records
Last stocked September 1989
No Name Reservoir
1 mi1 species · 1 records
Last stocked May 1987
Juniper Dam
4 mi1 species · 1 records
Last stocked May 1987
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 13, 2025 | Rainbow Trout | 2,000 | 2.26" | Montana fish & wildlife agency |
| May 23, 2024 | Rainbow Trout | 2,000 | 1.78" | Montana fish & wildlife agency |
| May 19, 2023 | Rainbow Trout | 2,000 | 2.27" | Montana fish & wildlife agency |
| April 27, 2022 | Rainbow Trout | 2,000 | 2" | Montana fish & wildlife agency |
| June 7, 2021 | Rainbow Trout | 2,000 | 2.51" | Montana fish & wildlife agency |
| April 22, 2020 | Rainbow Trout | 2,000 | 4.42" | Montana fish & wildlife agency |
| April 24, 2019 | Rainbow Trout | 2,000 | 1.88" | Montana fish & wildlife agency |
| May 2, 2018 | Rainbow Trout | 2,000 | 2.01" | Montana fish & wildlife agency |
Show 35 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 12, 2017 | Rainbow Trout | 2,000 | 1.98" | Montana fish & wildlife agency |
| April 5, 2016 | Rainbow Trout | 2,000 | 1.9" | Montana fish & wildlife agency |
| April 7, 2015 | Rainbow Trout | 2,000 | 1.8" | Montana fish & wildlife agency |
| April 15, 2014 | Rainbow Trout | 2,000 | 2" | Montana fish & wildlife agency |
| April 11, 2013 | Rainbow Trout | 2,000 | 2" | Montana fish & wildlife agency |
| April 18, 2012 | Rainbow Trout | 2,000 | 2.15" | Montana fish & wildlife agency |
| April 21, 2011 | Rainbow Trout | 2,000 | 2" | Montana fish & wildlife agency |
| April 21, 2010 | Rainbow Trout | 1,000 | 2.6" | Montana fish & wildlife agency |
| April 14, 2009 | Rainbow Trout | 2,000 | 2" | Montana fish & wildlife agency |
| April 6, 2008 | Rainbow Trout | 2,000 | 2.4" | Montana fish & wildlife agency |
| April 7, 2006 | Rainbow Trout | 2,000 | 2.4" | Montana fish & wildlife agency |
| March 30, 2004 | Rainbow Trout | 2,000 | 2.3" | Montana fish & wildlife agency |
| March 27, 2003 | Rainbow Trout | 2,000 | 2.1" | Montana fish & wildlife agency |
| April 13, 2002 | Rainbow Trout | 2,000 | 2.6" | Montana fish & wildlife agency |
| April 5, 2001 | Rainbow Trout | 2,000 | 2.4" | Montana fish & wildlife agency |
| March 31, 2000 | Rainbow Trout | 2,000 | 2.4" | Montana fish & wildlife agency |
| May 6, 1999 | Rainbow Trout | 2,000 | 2.9" | Montana fish & wildlife agency |
| May 1, 1998 | Rainbow Trout | 2,000 | 2.9" | Montana fish & wildlife agency |
| May 5, 1997 | Rainbow Trout | 2,000 | 3.1" | Montana fish & wildlife agency |
| April 23, 1996 | Rainbow Trout | 2,000 | 2.9" | Montana fish & wildlife agency |
| April 29, 1995 | Rainbow Trout | 2,000 | 2.8" | Montana fish & wildlife agency |
| April 22, 1994 | Rainbow Trout | 2,000 | 3.2" | Montana fish & wildlife agency |
| May 11, 1993 | Rainbow Trout | 2,000 | 2.9" | Montana fish & wildlife agency |
| March 17, 1992 | Rainbow Trout | 2,000 | 2.4" | Montana fish & wildlife agency |
| April 3, 1991 | Rainbow Trout | 2,000 | 2.6" | Montana fish & wildlife agency |
| April 16, 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 20, 1988 | Rainbow Trout | 2,000 | 2.7" | Montana fish & wildlife agency |
| May 6, 1987 | Rainbow Trout | 2,000 | 3.2" | Montana fish & wildlife agency |
| April 3, 1986 | Rainbow Trout | 2,000 | 4" | Montana fish & wildlife agency |
| April 10, 1985 | Rainbow Trout | 2,000 | 3" | Montana fish & wildlife agency |
| October 2, 1984 | Channel Catfish | 1,764 | 1" | Montana fish & wildlife agency |
| April 16, 1984 | Rainbow Trout | 3,000 | 4" | Montana fish & wildlife agency |
| October 6, 1983 | Rainbow Trout | 1,007 | 9" | Montana fish & wildlife agency |
| April 18, 1983 | Rainbow Trout | 1,500 | 4" | Montana fish & wildlife agency |
Frequently asked
When was Oil Pump Reservoir last stocked?
According to Montana fish & wildlife agency, Oil Pump Reservoir was last stocked May 13, 2025 with Rainbow Trout.
What fish species are stocked in Oil Pump Reservoir?
Oil Pump Reservoir is stocked with Rainbow Trout and Channel Catfish.
What time of year is Oil Pump Reservoir stocked?
Oil Pump Reservoir is typically stocked in spring, most often in April.
How often is Oil Pump Reservoir stocked?
Oil Pump Reservoir is stocked intermittently — 43 recorded stockings between 1983 and 2025.
How many fish have been stocked in Oil Pump Reservoir?
About 84,271 fish have been stocked in Oil Pump Reservoir across 43 recorded events since 1983, per Montana fish & wildlife agency.
What size are the fish stocked in Oil Pump Reservoir?
Fish stocked in Oil Pump Reservoir average about 2.7 inches, based on the sizes the agency reported.