When was Watt Reservoir last stocked?

The latest reported stocking was May 7, 2026 (rainbow trout, 2,000 fish), according to Montana agency reports.

How often is Watt Reservoir stocked?

It was stocked once in the last 12 months.

Is Watt Reservoir stocked often?

Tied for the most stocked water in Garfield County (2 stocking days on record). Stocked about as often as a typical Montana water on our record. We count each day the agency reported stocking it.

What kind of trout are stocked in Watt Reservoir?

Rainbow trout (2 stockings, 4,000 fish).

Watt Reservoir trout stocking

Garfield County, Montana · lake · 2,936 ft elevation

Watt Reservoir was last stocked 6 months ago (May 7, 2026). We have 2 stockings on record since May 14, 2025, 1 in the last 12 months (2,000 fish). Species stocked: rainbow trout.

Last stocked

6 months ago

May 7, 2026

Next planned

Not announced

Last 12 months

1 stocking

2,000 fish

On record

2 stockings

since May 14, 2025

Tied for the most stocked water in Garfield County (2 stocking days on record).
Stocked about as often as a typical Montana water on our record.

Weather at Watt Reservoir

This Afternoon
65°F
Mostly Cloudy
1% rain · wind 10 mph
Tonight
38°F
Mostly Cloudy
6% rain · wind 9 to 13 mph
Monday
54°F
Partly Sunny
wind 3 to 8 mph
Monday Night
40°F
Mostly Cloudy
9% rain · wind 8 mph
Tuesday
58°F
Partly Sunny
9% rain · wind 7 to 18 mph
Tuesday Night
38°F
Partly Cloudy
wind 7 to 10 mph

Forecast from the National Weather Service for this location, refreshed hourly.

What is stocked

Species	Stockings	Fish	Fish per stocking	Typical size
Rainbow trout	2	4,000	2,000	2.8 in

Stocking history

20261 stocking · 2,000 fish

Date	Species	Fish	Size	Since previous	Hatchery
May 7Latest Thursday	Rainbow trout	2,000	2.8 in	358 days	Miles City Fish Hatchery

20251 stocking · 2,000 fish

Date	Species	Fish	Size	Since previous	Hatchery
May 14 Wednesday	Rainbow trout	2,000	2.3 in		Miles City Fish Hatchery

From Montana fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Montana fishing regulations.

Where is Watt Reservoir?

Garfield County, Montana. The marker is the agency's location for this water; streams are often stocked at several access points.

Directions Larger map Montana fishing regulations

Stocked waters near Watt Reservoir

Clark Reservoirlake · 7 mistocked May 7, 2026
Chamberlain Reservoir #3lake · 11 mistocked May 7, 2026
Saylor Pondlake · 12 mistocked May 7, 2026
Saylor Reservoirlake · 13 mistocked May 7, 2026
Ryan Pondslake · 14 mistocked May 7, 2026
Jarden Reservoir 2lake · 21 mistocked May 7, 2026
Fort Peck Lakelake · 22 mistocked Jun 2, 2026

All stocked waters in Garfield County Stocked this week in Montana

Questions about Watt Reservoir

When was Watt Reservoir last stocked?: The latest reported stocking was May 7, 2026 (rainbow trout, 2,000 fish), according to Montana agency reports.
How often is Watt Reservoir stocked?: It was stocked once in the last 12 months.
Is Watt Reservoir stocked often?: Tied for the most stocked water in Garfield County (2 stocking days on record). Stocked about as often as a typical Montana water on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Watt Reservoir?: Rainbow trout (2 stockings, 4,000 fish).