When was Boulware Reservoir last stocked?

The latest reported stocking was May 6, 2026 (rainbow trout, 1,000 fish), according to Montana agency reports.

How often is Boulware Reservoir stocked?

It was stocked once in the last 12 months.

Is Boulware Reservoir stocked often?

The second most stocked of 10 waters in Custer County. 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 Boulware Reservoir?

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

Boulware Reservoir trout stocking

Custer County, Montana · lake · 3,198 ft elevation

Boulware Reservoir was last stocked 6 months ago (May 6, 2026). We have 2 stockings on record since May 22, 2025, 1 in the last 12 months (1,000 fish). Species stocked: rainbow trout.

Last stocked

6 months ago

May 6, 2026

Next planned

Not announced

Last 12 months

1 stocking

1,000 fish

On record

2 stockings

since May 22, 2025

The second most stocked of 10 waters in Custer County.
Stocked about as often as a typical Montana water on our record.

Weather at Boulware Reservoir

This Afternoon
64°F
Mostly Sunny
wind 9 to 15 mph
Tonight
38°F
Mostly Cloudy
10% rain · wind 5 to 8 mph
Monday
55°F
Sunny
10% rain · wind 6 mph
Monday Night
39°F
Mostly Cloudy
8% rain · wind 6 mph
Tuesday
56°F
Mostly Cloudy
9% rain · wind 6 to 14 mph
Tuesday Night
37°F
Partly Cloudy
1% rain · wind 8 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	2,000	1,000	2.8 in

Stocking history

20261 stocking · 1,000 fish

Date	Species	Fish	Size	Since previous	Hatchery
May 6Latest Wednesday	Rainbow trout	1,000	2.8 in	349 days	Miles City Fish Hatchery

20251 stocking · 1,000 fish

Date	Species	Fish	Size	Since previous	Hatchery
May 22 Thursday	Rainbow trout	1,000	2.4 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 Boulware Reservoir?

Custer 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 Boulware Reservoir

Rest Reservoirlake · 9 mistocked Jun 18, 2026
Beardsley Jim #1lake · 10 mistocked Jun 18, 2026
Beardsley Lake (; Pat Beardsley Lake)lake · 17 mistocked May 6, 2026
Marshall Reservoirlake · 22 mistocked Apr 9, 2025
Ayers Pond (; Courtney Ayers Pond)lake · 23 mistocked Aug 15, 2025
Rath Pondlake · 25 mistocked May 13, 2025

All stocked waters in Custer County Stocked this week in Montana

Questions about Boulware Reservoir

When was Boulware Reservoir last stocked?: The latest reported stocking was May 6, 2026 (rainbow trout, 1,000 fish), according to Montana agency reports.
How often is Boulware Reservoir stocked?: It was stocked once in the last 12 months.
Is Boulware Reservoir stocked often?: The second most stocked of 10 waters in Custer County. 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 Boulware Reservoir?: Rainbow trout (2 stockings, 2,000 fish).