Watt Reservoir fishing

Fishing at Watt Reservoir 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 14, 2025

Plants on record

15

Since 2011

Species recorded

1

Average size

2.2 in

Elevation

2,901 ft

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How Watt Reservoir is stocked

The first plant of the year usually falls in the fourth week of April. In 2025 it was May 14, 2025, later than usual.

Fort Peck Lake (22 mi) and Kreider Reservoir #2 (25.9 mi) were stocked more recently. Kreider Reservoir #2 is also stocked with Rainbow Trout.

Fish at Watt Reservoir

Fishing Watt Reservoir is most likely to be for Rainbow Trout. All 15 plants on record are Rainbow Trout.

Rainbow Trout 15 plants
Plants
15 of 15
Last stocked
May 14, 2025
Average length
2.2 in

Seasons and rigs are on the Rainbow Trout guide.

Fish stocked per year

  • 2,0002011
  • 2,0002012
  • 2,0002013
  • 2,0002014
  • 2,0002015
  • 2,0002016
  • 2,0002017
  • 2,0002018
  • 2,0002019
  • 2,0002020
  • 2,0002021
  • 2,0002022
  • 2,0002023
  • 2,0002024
  • 2,0002025

Stocking history

Source: Montana Fish, Wildlife & Parks.
Date Species Quantity Avg. length Source
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

Species stocked here

Depth-by-season, top lures, and bait notes for each species stocked here are on its own species guide, linked above.

Nearest lakes