When was Supenau Reservoir last stocked?

The latest reported stocking was Jul 1, 2026 (rainbow trout, 1,000 fish), according to Montana agency reports.

How often is Supenau Reservoir stocked?

It was stocked 1 times in the last 12 months. Across all years on record, most stockings come in June to July and September.

What kind of trout are stocked in Supenau Reservoir?

Rainbow trout (3 stockings, 3,500 fish).

Supenau Reservoir trout stocking

Montana · lake

Supenau Reservoir was last stocked 3 months ago (Jul 1, 2026). We have 3 stockings on record since Jun 4, 2025, 1 in the last 12 months (1,000 fish). Most stockings come in June to July and September. Species stocked: rainbow trout.

Last stocked

3 months ago

Jul 1, 2026

Next planned

Not announced

Last 12 months

1 stocking

1,000 fish

On record

3 stockings

since Jun 4, 2025

Weather at Supenau Reservoir

Tonight
55°F
Mostly Clear
wind 13 mph
Friday
87°F
Sunny
wind 8 to 14 mph
Friday Night
48°F
Slight Chance Showers And Thunderstorms then Mostly Cloudy
22% rain · wind 16 to 25 mph
Saturday
65°F
Sunny
wind 21 to 24 mph
Saturday Night
39°F
Partly Cloudy
wind 5 to 20 mph
Sunday
65°F
Partly Sunny
wind 6 mph

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

When is Supenau Reservoir stocked?

Most stockings come in June to July and September.

By month, all years

Stockings of Supenau Reservoir by month, all years on record. This month is shown in blue.

Year by year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2026							1
2025						1			1

What is stocked

Species	Stockings	Fish	Fish per stocking	Typical size
Rainbow trout	3	3,500	1,167	7.0 in

Stocking history

Date	Species	Fish	Hatchery
Jul 1, 2026	Rainbow trout	1,000	Fort Peck Hatchery
Sep 9, 2025	Rainbow trout	1,500	Giant Springs Trout Hatchery
Jun 4, 2025	Rainbow trout	1,000	Fort Peck 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.

Where is Supenau Reservoir?

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

Directions Larger map

Stocked waters near Supenau Reservoir

Beaver Creekstream · 8 mistocked May 11, 2026
Bailey Reservoirlake · 17 mistocked Sep 10, 2025
Beaver Creek Reservoirlake · 18 mistocked Jun 18, 2026
Clear Creekstream · 20 mistocked May 21, 2025
Reser Reservoirlake · 20 mistocked Oct 10, 2025
Bearpaw Lake (; Beaver Lake)lake · 24 mistocked Jul 2, 2026

Stocked this week in Montana

Questions about Supenau Reservoir

When was Supenau Reservoir last stocked?: The latest reported stocking was Jul 1, 2026 (rainbow trout, 1,000 fish), according to Montana agency reports.
How often is Supenau Reservoir stocked?: It was stocked 1 times in the last 12 months. Across all years on record, most stockings come in June to July and September.
What kind of trout are stocked in Supenau Reservoir?: Rainbow trout (3 stockings, 3,500 fish).