What species are stocked in C-1 Reservoir?

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

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Montana stocking report

C-1 Reservoir

30 records Last reported: June 17, 2004

Last reported stocking

The latest reported stocking at C-1 Reservoir was on June 17, 2004: 189 Rainbow Trout (7.73 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: Judith Basin
Species on record: Rainbow Trout, Largemouth Bass, Brook Trout
Records: 30 records
Official source: Montana Fish, Wildlife & Parks report

Location map

C-1 Reservoir location context

Agency coordinates · access unverified

C-1 ReservoirAgency coordinates Ackley LakeAgency coordinates Kolar Reservoir 1Agency coordinates Kolar Reservoir 2Agency coordinates Dipping Vat PondAgency 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 C-1 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.

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

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Agency records

Stocking history

30 records from September 21, 1965 to June 17, 2004. 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.

2004 1 record

2004 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 17, 2004 reported	Rainbow Trout	189	7.73 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

2003 1 record

2003 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 2, 2003 reported	Rainbow Trout	500	7.09 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

2002 1 record

2002 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 3, 2002 reported	Rainbow Trout	216	7 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1999 1 record

1999 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 3, 1999 reported	Rainbow Trout	200	6.5 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1998 1 record

1998 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 30, 1998 reported	Rainbow Trout	200	8 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1997 1 record

1997 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 19, 1997 reported	Rainbow Trout	210	7.3 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1995 1 record

1995 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 17, 1995 reported	Largemouth Bass	2,000	3.2 in avg	Miles City Fish Hatchery	Montana Fish, Wildlife & Parks

1994 1 record

1994 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 8, 1994 reported	Largemouth Bass	2,000	1.8 in avg	Miles City Fish Hatchery	Montana Fish, Wildlife & Parks

1993 1 record

1993 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 7, 1993 reported	Largemouth Bass	2,000	2.1 in avg	Miles City Fish 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	528	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
April 1, 1986 reported	Rainbow Trout	1,023	4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1985 1 record

1985 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 30, 1985 reported	Rainbow Trout	1,248	4 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 9, 1984 reported	Rainbow Trout	1,271	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
May 27, 1983 reported	Rainbow Trout	1,260	5 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1982 1 record

1982 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 18, 1982 reported	Rainbow Trout	1,254	5 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1981 1 record

1981 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 25, 1981 reported	Rainbow Trout	1,008	5 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1980 1 record

1980 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 9, 1980 reported	Rainbow Trout	1,008	5 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 20, 1979 reported	Rainbow Trout	1,006	5 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1978 1 record

1978 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 9, 1978 reported	Rainbow Trout	1,035	6 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1977 1 record

1977 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
April 21, 1977 reported	Rainbow Trout	1,015	4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1976 1 record

1976 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 2, 1976 reported	Brook Trout	1,086	2 in avg	Washoe Park Trout Hatchery	Montana Fish, Wildlife & Parks

1975 1 record

1975 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
July 22, 1975 reported	Rainbow Trout	1,020	6 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1974 1 record

1974 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 12, 1974 reported	Rainbow Trout	1,008	4 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1973 1 record

1973 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 3, 1973 reported	Rainbow Trout	1,060	4 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1972 2 records

1972 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
August 10, 1972 reported	Rainbow Trout	1,080	6 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks
August 10, 1972 reported	Rainbow Trout	816	11 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1971 1 record

1971 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 29, 1971 reported	Brook Trout	1,060	4 in avg	Giant Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1970 1 record

1970 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
June 3, 1970 reported	Rainbow Trout	1,035	4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1969 1 record

1969 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
May 9, 1969 reported	Rainbow Trout	1,040	4 in avg	Big Springs Trout Hatchery	Montana Fish, Wildlife & Parks

1965 1 record

1965 stocking records and official sources
Date / status	Species	Fish	Size	Hatchery	Source
September 21, 1965 reported	Brook Trout	2,000	5 in avg	Giant Springs Trout Hatchery	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.

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