Tetonka Lake

Details

DNR lake ID

40003100

County

Le Sueur

Surface area

1,358 acres

Maximum depth

35 feet

Mean depth

19 feet

Shallow water (littoral) area

548 acres, 40% of the lake

Shoreline

11.6 miles

Average water clarity

4.8 feet (Secchi disk, 5 readings)

Latest DNR fish survey

October 2025, targeted survey

Surveys on record

19, since 1986

Game fish caught in the 2025 survey

walleye 35

Fish species recorded

black crappie, bluegill, channel catfish, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, smallmouth bass, walleye, white bass, white crappie, yellow perch, and 15 other species

Stocked in 2025

walleye fry (245,537)

Stocked in 2024

walleye fry (137,000)

Stocked in 2023

walleye fry (137,000)

Stocking years on record

8 of the last 10 (2016 to 2025)

Tetonka Lake Public Water Access Site

trailer launch, concrete slab ramp, 1 dock, 20 trailer spaces, toilet, run by DNR Division of Parks and Trails

Infested waters list

Eurasian watermilfoil, flowering rush

Fish consumption

Follow the statewide guidelines; fish from this lake have been tested

Size

500 to 1,999 acres

Deepest point

30 to 59 feet

Public access

Yes

Stocked in the last 3 years

Yes

Sources

• Minnesota DNR LakeFinder
  Checked September 24, 2026
• Minnesota DNR Public Water Access Sites
  Checked September 24, 2026

Survey catches show what DNR nets and electrofishing found on the survey date, not how the fishing is today. Check the current regulations and the Department of Health advice before you keep fish, and confirm access conditions before you tow a boat.