South Polly Reservoir trout stocking

Montana · lake

South Polly Reservoir was last stocked 5 months ago (May 7, 2026). We have 2 stockings on record since May 14, 2025, 1 in the last 12 months (250 fish). Species stocked: rainbow trout.

Weather at South Polly Reservoir

• Tonight
  56°F
  Mostly Clear
  wind 15 mph
• Friday
  82°F
  Sunny
  wind 16 to 23 mph
• Friday Night
  50°F
  Slight Chance Showers And Thunderstorms then Partly Cloudy
  17% rain · wind 18 to 22 mph
• Saturday
  64°F
  Sunny
  wind 23 mph
• Saturday Night
  40°F
  Partly Cloudy
  wind 3 to 17 mph
• Sunday
  63°F
  Partly Sunny
  1% rain · wind 3 to 12 mph

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

What is stocked

Stocking history

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 South Polly Reservoir?

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

DirectionsLarger map

Stocked waters near South Polly Reservoir

• North Polly Reservoirlake · 1 mistocked May 7, 2026
• North Faber Reservoirlake · 7 mistocked May 26, 2026
• Chouteau Reservoirlake · 12 mistocked Jun 25, 2026
• Salmo Reservoirlake · 13 mistocked May 26, 2026
• Brookie Pondlake · 17 mistocked May 7, 2026
• Br 028 Reservoirlake · 21 mistocked Jun 23, 2026
• Reser Reservoirlake · 23 mistocked Oct 10, 2025
• BR 045 Reservoirlake · 24 mistocked Sep 18, 2025

Stocked this week in Montana

Questions about South Polly Reservoir

When was South Polly Reservoir last stocked?

The latest reported stocking was May 7, 2026 (rainbow trout, 250 fish), according to Montana agency reports.

How often is South Polly Reservoir stocked?

It was stocked 1 times in the last 12 months.

What kind of trout are stocked in South Polly Reservoir?

Rainbow trout (2 stockings, 500 fish).