Rainbow Trout Stocked · 16 plants · last May 6, 2026 Best: dawn, dusk Oil Pump Reservoir fishing
Oil Pump Reservoir fishing has Rainbow Trout on the stocking report. Also recorded: Lake Chub, Brassy Minnow, Redhorse sucker, and White Sucker. It is stocked about once a year since 2011, most often in April and May. Species guides list dawn and dusk as the active times.
- Last stocked
- May 6, 2026
- · Rainbow Trout
- Plants on record
- 16
- Since 2011
- Species stocked
- 1 (+4 also recorded)
- Average size
- 2.2 in
- Elevation
- 2,412.1 ft
Fish at Oil Pump Reservoir
Around the dates Oil Pump Reservoir is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 43.4°F in April, 56.8°F in May, 68.1°F in June. That is air temperature at these coordinates, not water temperature. Open-Meteo
Rainbow Trout Stocked · 16 plants · last May 6, 2026 Best: dawn, dusk Lake Chub Confirmed present
Brassy Minnow Confirmed present
Redhorse sucker Confirmed present
White Sucker Confirmed present
How Oil Pump Reservoir is stocked
South Sandstone Reservoir (36.9 mi) and Lake Baker (38.8 mi) were stocked more recently. Lake Baker is also stocked with Rainbow Trout.
Fish stocked in 2011
2,000
Fish stocked in 2012
2,000
Fish stocked in 2013
2,000
Fish stocked in 2014
2,000
Fish stocked in 2015
2,000
Fish stocked in 2016
2,000
Fish stocked in 2017
2,000
Fish stocked in 2018
2,000
Fish stocked in 2019
2,000
Fish stocked in 2020
2,000
Fish stocked in 2021
2,000
Fish stocked in 2022
2,000
Fish stocked in 2023
2,000
Fish stocked in 2024
2,000
Fish stocked in 2025
2,000
Fish stocked in 2026
2,000
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| May 6, 2026 | Rainbow Trout | 2,000 | 2.76 in | report |
| May 13, 2025 | Rainbow Trout | 2,000 | 2.26 in | report |
| May 23, 2024 | Rainbow Trout | 2,000 | 1.78 in | report |
| May 19, 2023 | Rainbow Trout | 2,000 | 2.27 in | report |
| April 27, 2022 | Rainbow Trout | 2,000 | 2 in | report |
| June 7, 2021 | Rainbow Trout | 2,000 | 2.51 in | report |
| April 22, 2020 | Rainbow Trout | 2,000 | 4.42 in | report |
| April 24, 2019 | Rainbow Trout | 2,000 | 1.88 in | report |
| May 2, 2018 | Rainbow Trout | 2,000 | 2.01 in | report |
| April 12, 2017 | Rainbow Trout | 2,000 | 1.98 in | report |
| April 5, 2016 | Rainbow Trout | 2,000 | 1.9 in | report |
| April 7, 2015 | Rainbow Trout | 2,000 | 1.8 in | report |
| April 15, 2014 | Rainbow Trout | 2,000 | 2 in | report |
| April 11, 2013 | Rainbow Trout | 2,000 | 2 in | report |
| April 18, 2012 | Rainbow Trout | 2,000 | 2.15 in | report |
| April 21, 2011 | Rainbow Trout | 2,000 | 2 in | report |
Access and facts
A 7-acre pond on BLM land in Prairie County, listed by FWP under the alternate name Pumpers Pond.
Drafted by AI from the cited sources and checked before publishing.
Advisories, closures, regulations and water conditions change. Check the Montana Fish, Wildlife & Parks before you go.
Nearest lakes
Common questions
What fish are at Oil Pump Reservoir?
Fishing Oil Pump Reservoir usually means Rainbow Trout. All 16 plants on record are Rainbow Trout. Rainbow Trout was last stocked May 6, 2026, averaging 2.2 in. Lake Chub, Brassy Minnow, Redhorse sucker, and White Sucker are recorded here outside the stocking reports.
When is Oil Pump Reservoir stocked?
Last stocked May 6, 2026. It is stocked about once a year since 2011, most often in April and May.
How big are the fish stocked at Oil Pump Reservoir?
Rainbow Trout stocked at Oil Pump Reservoir average 2.2 in.
How do you get on Oil Pump Reservoir?
A 7-acre pond on BLM land in Prairie County, listed by FWP under the alternate name Pumpers Pond.
Which lakes near Oil Pump Reservoir were stocked more recently?
South Sandstone Reservoir (36.9 mi) and Lake Baker (38.8 mi) were stocked more recently. Lake Baker is also stocked with Rainbow Trout.