Hauser Reservoir trout stocking

Lewis and Clark County, Montana · lake · 3,654 ft elevation

Hauser Reservoir was last stocked 5 weeks ago (Oct 6, 2026). We have 31 stockings on record since May 1, 2025, 14 in the last 12 months (232,950 fish). Most stockings come in September to October. Species stocked: rainbow trout, kokanee.

• The most stocked water in Lewis and Clark County (31 stocking days on record).
• Stocked more often than 100% of Montana waters on our record.

Weather at Hauser Reservoir

• Tonight
  35°F
  Mostly Cloudy
  5% rain · wind 1 to 6 mph
• Monday
  57°F
  Mostly Cloudy
  8% rain · wind 1 to 6 mph
• Monday Night
  37°F
  Mostly Cloudy
  6% rain · wind 3 mph
• Tuesday
  56°F
  Partly Sunny
  4% rain · wind 3 to 18 mph
• Tuesday Night
  36°F
  Partly Cloudy
  wind 6 to 9 mph
• Veterans Day
  60°F
  Mostly Sunny
  wind 6 to 10 mph

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

When is Hauser Reservoir stocked?

Most stockings come in September to October. Stocked 14 times in 2026, mostly in September, about every 3 days.

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. Seasons and limits: Montana fishing regulations.

Where is Hauser Reservoir?

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

DirectionsLarger mapMontana fishing regulations

Stocked waters near Hauser Reservoir

• Helena Valley Regulating Reservoirlake · 4 mistocked May 12, 2026
• Spring Meadow Lakelake · 13 mistocked Sep 8, 2026
• Holter Reservoirlake · 19 mistocked Sep 24, 2026
• Canyon Ferry Lakelake · 22 mistocked Oct 5, 2026

All stocked waters in Lewis and Clark CountyStocked this week in Montana

Questions about Hauser Reservoir

When was Hauser Reservoir last stocked?

The latest reported stocking was Oct 6, 2026 (rainbow trout, 6,402 fish), according to Montana agency reports.

How often is Hauser Reservoir stocked?

Stocked 14 times in 2026, mostly in September, about every 3 days. Across all years on record, most stockings come in September to October.

Is Hauser Reservoir stocked often?

The most stocked water in Lewis and Clark County (31 stocking days on record). Stocked more often than 100% of Montana waters on our record. We count each day the agency reported stocking it.

What kind of trout are stocked in Hauser Reservoir?

Rainbow trout (27 stockings, 308,658 fish); Kokanee (4 stockings, 278,886 fish).