Montana stocking report
Carpenter Reservoir
36 records Last stocked: May 28, 2026
The short answer
Carpenter Reservoir was last stocked on May 28, 2026: 990 Rainbow Trout (4.08 in avg).
Location map
Carpenter Reservoir location context
Carpenter ReservoirFergus County Holgate ReservoirFergus County Lower Frog PondFergus County Upper Frog PondFergus County Olsen PondFergus County
Pins use the finest location published with the stocking record. County-level pins show area context, not an exact access point; confirm access and directions with the official agency source.
Agency records
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| May 28, 2026 | Rainbow Trout | 990 | 4.08 in avg | Big Springs Trout Hatchery |
| July 9, 2025 | Rainbow Trout | 1,009 | 5.49 in avg | Big Springs Trout Hatchery |
| June 6, 2024 | Rainbow Trout | 1,005 | 4.7700000000000005 in avg | Big Springs Trout Hatchery |
| June 19, 2023 | Rainbow Trout | 1,008 | 4.92 in avg | Big Springs Trout Hatchery |
| June 14, 2022 | Rainbow Trout | 1,004 | 4.69 in avg | Big Springs Trout Hatchery |
| June 4, 2021 | Rainbow Trout | 1,002 | 5.16 in avg | Big Springs Trout Hatchery |
| June 3, 2020 | Rainbow Trout | 1,013 | 4.2700000000000005 in avg | Big Springs Trout Hatchery |
| May 30, 2019 | Rainbow Trout | 1,001 | 4.39 in avg | Big Springs Trout Hatchery |
| July 2, 2018 | Rainbow Trout | 480 | 4.88 in avg | Big Springs Trout Hatchery |
| May 28, 2018 | Rainbow Trout | 499 | 4.29 in avg | Big Springs Trout Hatchery |
| May 24, 2017 | Rainbow Trout | 507 | 4.19 in avg | Big Springs Trout Hatchery |
| June 6, 2016 | Rainbow Trout | 499 | 4.47 in avg | Big Springs Trout Hatchery |
| June 18, 2015 | Brook Trout | 250 | 4.0200000000000005 in avg | Giant Springs Trout Hatchery |
| April 29, 2015 | Rainbow Trout | 493 | 4.9 in avg | Big Springs Trout Hatchery |
| June 18, 2013 | Rainbow Trout | 504 | 4.73 in avg | Big Springs Trout Hatchery |
| May 15, 2012 | Rainbow Trout | 1,000 | 3.96 in avg | Big Springs Trout Hatchery |
| June 17, 2011 | Rainbow Trout | 1,045 | 4.61 in avg | Big Springs Trout Hatchery |
| July 5, 2010 | Rainbow Trout | 2,000 | 5.9 in avg | Giant Springs Trout Hatchery |
| June 9, 2010 | Rainbow Trout | 2,086 | 4.3500000000000005 in avg | Big Springs Trout Hatchery |
| June 29, 2009 | Rainbow Trout | 2,032 | 4 in avg | Big Springs Trout Hatchery |
| June 8, 2006 | Rainbow Trout | 4.22 in avg | Big Springs Trout Hatchery | |
| June 16, 2004 | Rainbow Trout | 984 | 4.55 in avg | Big Springs Trout Hatchery |
| May 29, 2003 | Rainbow Trout | 994 | 3.69 in avg | Big Springs Trout Hatchery |
| July 9, 2001 | Rainbow Trout | 1,000 | 3.5 in avg | Giant Springs Trout Hatchery |
| July 3, 2000 | Rainbow Trout | 1,000 | 3.9 in avg | Giant Springs Trout Hatchery |
| June 23, 1999 | Rainbow Trout | 1,000 | 3.4 in avg | Giant Springs Trout Hatchery |
| June 5, 1998 | Rainbow Trout | 1,027 | 3.2 in avg | Big Springs Trout Hatchery |
| July 8, 1997 | Rainbow Trout | 1,000 | 3.8000000000000003 in avg | Giant Springs Trout Hatchery |
| July 19, 1996 | Rainbow Trout | 1,100 | 4.1 in avg | Giant Springs Trout Hatchery |
| June 15, 1994 | Brook Trout | 1,016 | 4 in avg | Giant Springs Trout Hatchery |
| June 9, 1993 | Brook Trout | 1,001 | 3.3000000000000003 in avg | Murray Springs Trout Hatchery |
| June 17, 1991 | Brook Trout | 1,042 | 5.1000000000000005 in avg | Bluewater Springs Trout Hatchery |
| August 31, 1990 | Rainbow Trout | 1,030 | 7.5 in avg | Giant Springs Trout Hatchery |
| September 10, 1968 | Brook Trout | 2,070 | 4 in avg | Giant Springs Trout Hatchery |
| June 9, 1966 | Brook Trout | 2,125 | 3 in avg | Giant Springs Trout Hatchery |
| June 23, 1964 | Brook Trout | 3,055 | 3 in avg | Giant Springs Trout Hatchery |
Records shown exactly as published by Montana Fish, Wildlife & Parks. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.
Data source: Montana Fish, Wildlife & Parks. Last updated: .
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