When was Bismark Lake last stocked?

The latest reported stocking was Sep 18, 2026 (rainbow trout, 250 fish), according to South Dakota agency reports.

How often is Bismark Lake stocked?

It was stocked 2 times in the last 12 months.

Is Bismark Lake stocked often?

The second most stocked of 5 waters in Custer County. Stocked more often than 93% of South Dakota waters on our record. We count each day the agency reported stocking it.

What kind of trout are stocked in Bismark Lake?

Rainbow trout (2 stockings, 1,000 fish).

Bismark Lake trout stocking

Custer County, South Dakota · lake · about 5,205 ft elevation

Bismark Lake was last stocked 11 days ago (Sep 18, 2026). We have 2 stockings on record since Sep 17, 2026, 2 in the last 12 months (1,000 fish). Species stocked: rainbow trout.

Last stocked

11 days ago

Sep 18, 2026

Next planned

Not announced

Last 12 months

2 stockings

1,000 fish

On record

2 stockings

since Sep 17, 2026

The second most stocked of 5 waters in Custer County.
Stocked more often than 93% of South Dakota waters on our record.

Weather at Bismark Lake

Tonight
52°F
Slight Chance Showers And Thunderstorms then Mostly Cloudy
16% rain · wind 2 to 6 mph
Tuesday
66°F
Partly Sunny then Slight Chance Rain Showers
16% rain · wind 5 mph
Tuesday Night
49°F
Partly Cloudy
3% rain · wind 5 mph
Wednesday
70°F
Mostly Sunny
wind 5 to 10 mph
Wednesday Night
46°F
Mostly Cloudy
3% rain · wind 3 to 12 mph
Thursday
58°F
Mostly Sunny
4% rain · wind 6 mph

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

What is stocked

Species	Stockings	Fish	Fish per stocking
Rainbow trout	2	1,000	500

Stocking history

20262 stockings · 1,000 fish

Date	Species	Fish	Since previous
Sep 18Latest Friday · 11 days ago	Rainbow trout	250	1 day
Sep 17 Thursday · 12 days ago	Rainbow trout	750

From South Dakota 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: South Dakota fishing regulations.

Where is Bismark Lake?

Custer County, South Dakota. Approximate: the marker is the USGS place-name point for this water, not an agency location.

Directions Larger map South Dakota fishing regulations

Stocked waters near Bismark Lake

Legion Lakelake · 3 mistocked Sep 24, 2026
Center Lakelake · 5 mistocked Sep 22, 2026
Mitchell Lakelake · 11 mistocked Sep 15, 2026
Major Lakelake · 11 mistocked Sep 15, 2026

All stocked waters in Custer County Stocked this week in South Dakota

Questions about Bismark Lake

When was Bismark Lake last stocked?: The latest reported stocking was Sep 18, 2026 (rainbow trout, 250 fish), according to South Dakota agency reports.
How often is Bismark Lake stocked?: It was stocked 2 times in the last 12 months.
Is Bismark Lake stocked often?: The second most stocked of 5 waters in Custer County. Stocked more often than 93% of South Dakota waters on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Bismark Lake?: Rainbow trout (2 stockings, 1,000 fish).

Stocking data from South Dakota Game, Fish and Parks' report of stockings in the last 14 days, shown for informational use as the state's website terms allow.