What species are stocked in Dreyer Reservoir?

On record: Rainbow Trout, Largemouth Bass. Source: Montana Fish, Wildlife & Parks.

Home / Montana / McCone County / Dreyer Reservoir

Montana stocking report

Dreyer Reservoir

16 records Last reported: May 29, 1992

Last reported stocking

The latest reported stocking at Dreyer Reservoir was on May 29, 1992: 504 Rainbow Trout (8.6 in avg).

Record last checked: 2026-07-24. This is not a stocking date.

Browse stocking history

Source: Montana Fish, Wildlife & Parks.

A schedule is a plan, not confirmation that fish were released. Stocking records do not guarantee fish are still available.

No current or upcoming schedule is in this archive. Check the official report before choosing a trip date.

County: McCone
Species on record: Rainbow Trout, Largemouth Bass
Records: 16 records
Official source: Montana Fish, Wildlife & Parks report

Location map

Dreyer Reservoir location context

Agency coordinates · access unverified

Dreyer ReservoirAgency coordinates Flat LakeAgency coordinates Lisk Creek ReservoirAgency coordinates Nielsen DamAgency coordinates Berreth ReservoirAgency coordinates

Pins appear only when the record includes coordinates; they are not verified access points. Shaded counties show area context only. Waters without coordinates stay in the list without a pin; confirm access and directions with the official agency source.

Before you go

Plan a trip to Dreyer Reservoir

Check the latest report

Confirm dates and any changes in the official stocking report. Historical schedules are kept below even after their planned dates pass.

Check access and fishing rules

Use Montana's official fishing information to find current guidance. Confirm the exact water, public access, closures, and applicable fishing rules before leaving.

Choose the right location

The map gives location context. A shaded county is area context, not directions to a fishing spot or evidence of public access.

Get stocking alerts for this water

Agency records

Stocking history

16 records from July 30, 1968 to May 29, 1992. Open a year to browse its records; scroll tables sideways for all columns. Scheduled means planned, even when the date has passed. Blank fields mean the source did not publish that detail.

1992 2 records

1992 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 29, 1992 reported	Rainbow Trout	504	8.6 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks
May 29, 1992 reported	Rainbow Trout	3,113	4.4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1987 1 record

1987 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 6, 1987 reported	Rainbow Trout	4,051	3.8000000000000003 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1986 1 record

1986 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 18, 1986 reported	Rainbow Trout	4,063	5 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1984 1 record

1984 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 17, 1984 reported	Rainbow Trout	4,026	4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1983 1 record

1983 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 14, 1983 reported	Rainbow Trout	4,030	4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1979 1 record

1979 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 18, 1979 reported	Rainbow Trout	5,000	3 in avg	Miles City - Federal	Montana Fish, Wildlife & Parks

1978 1 record

1978 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 26, 1978 reported	Rainbow Trout	4,500	2 in avg	Miles City - Federal	Montana Fish, Wildlife & Parks

1977 1 record

1977 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
March 23, 1977 reported	Rainbow Trout	6,000	2 in avg	Miles City - Federal	Montana Fish, Wildlife & Parks

1976 1 record

1976 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 14, 1976 reported	Rainbow Trout	6,000	3 in avg	Miles City - Federal	Montana Fish, Wildlife & Parks

1975 1 record

1975 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 10, 1975 reported	Rainbow Trout	6,000	4 in avg	Miles City - Federal	Montana Fish, Wildlife & Parks

1974 1 record

1974 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 9, 1974 reported	Rainbow Trout	6,000	3 in avg	Miles City - Federal	Montana Fish, Wildlife & Parks

1973 1 record

1973 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 18, 1973 reported	Rainbow Trout	5,000	2 in avg	Miles City - Federal	Montana Fish, Wildlife & Parks

1972 2 records

1972 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 25, 1972 reported	Largemouth Bass	1,000	2 in avg	Miles City - Federal	Montana Fish, Wildlife & Parks
May 5, 1972 reported	Rainbow Trout	5,000	3 in avg	Miles City - Federal	Montana Fish, Wildlife & Parks

1968 1 record

1968 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 30, 1968 reported	Largemouth Bass	2,000	2 in avg	Miles City - Federal	Montana Fish, Wildlife & Parks

Records retain the dates, quantities, and status supplied by the linked agencies. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.

Grouped by county and sorted by latest record, not by driving distance. Confirm access for each water.

Data source: Montana Fish, Wildlife & Parks. A record for this water was last checked on 2026-07-24. This check date is not a stocking date.

Alert me about Dreyer Reservoir