Rainbow Trout Stocked · 16 plants · last May 7, 2026 Best: dawn, dusk Watt Reservoir fishing
Watt Reservoir fishing has Rainbow Trout on the stocking report. 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 7, 2026
- · Rainbow Trout
- Plants on record
- 16
- Since 2011
- Species recorded
- 1
- Average size
- 2.2 in
- Elevation
- 2,901 ft
Fish at Watt Reservoir
Rainbow Trout Stocked · 16 plants · last May 7, 2026 Best: dawn, dusk How Watt Reservoir is stocked
Fort Peck Lake (22 mi) was stocked more recently.
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 7, 2026 | Rainbow Trout | 2,000 | 2.76 in | report |
| May 14, 2025 | Rainbow Trout | 2,000 | 2.26 in | report |
| May 24, 2024 | Rainbow Trout | 2,000 | 1.78 in | report |
| May 18, 2023 | Rainbow Trout | 2,000 | 2.27 in | report |
| April 28, 2022 | Rainbow Trout | 2,000 | 2 in | report |
| June 9, 2021 | Rainbow Trout | 2,000 | 2.51 in | report |
| April 23, 2020 | Rainbow Trout | 2,000 | 4.42 in | report |
| April 25, 2019 | Rainbow Trout | 2,000 | 1.88 in | report |
| May 3, 2018 | Rainbow Trout | 2,000 | 2.01 in | report |
| April 13, 2017 | Rainbow Trout | 2,000 | 1.98 in | report |
| April 6, 2016 | Rainbow Trout | 2,000 | 1.9 in | report |
| April 8, 2015 | Rainbow Trout | 2,000 | 1.8 in | report |
| April 16, 2014 | Rainbow Trout | 2,000 | 2 in | report |
| April 12, 2013 | Rainbow Trout | 2,000 | 2 in | report |
| April 19, 2012 | Rainbow Trout | 2,000 | 2.15 in | report |
| April 23, 2011 | Rainbow Trout | 2,000 | 2 in | report |
Access and facts
Advisories, closures, regulations and water conditions change. Check the Montana Fish, Wildlife & Parks before you go.
Nearest lakes
Common questions
What fish are at Watt Reservoir?
Fishing Watt Reservoir usually means Rainbow Trout. All 16 plants on record are Rainbow Trout. Rainbow Trout was last stocked May 7, 2026, averaging 2.2 in.
When is Watt Reservoir stocked?
Last stocked May 7, 2026. It is stocked about once a year since 2011, most often in April and May.
How big are the fish stocked at Watt Reservoir?
Rainbow Trout stocked at Watt Reservoir average 2.2 in.
Which lakes near Watt Reservoir were stocked more recently?
Fort Peck Lake (22 mi) was stocked more recently.