Middle Jefferson Lake

Details

DNR lake ID

40009204

County

Le Sueur

Surface area

667 acres

Maximum depth

8 feet

Shallow water (littoral) area

667 acres, 100% of the lake

Shoreline

5.6 miles

Average water clarity

1.7 feet (Secchi disk, 2 readings)

Nearest town (DNR)

Marysburg

Latest DNR fish survey

July 2018, standard survey

Surveys on record

4, since 2002

Game fish caught in the 2018 survey

black crappie 494, bluegill 408, largemouth bass 93, yellow perch 36, northern pike 33, pumpkinseed 11, walleye 10, white bass 1

Fish species recorded

black crappie, bluegill, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, walleye, white bass, yellow perch, and 9 other species

Stocked in 2025

northern pike fry (25,000)

Stocked in 2023

northern pike fry (25,155)

Stocked in 2019

walleye fry (705,000)

Stocking years on record

5 of the last 10 (2016 to 2025)

Infested waters list

Eurasian watermilfoil

Fish consumption

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

Size

500 to 1,999 acres

Deepest point

Under 15 feet

Public access

Yes

Stocked in the last 3 years

Yes

Sources

• Minnesota DNR LakeFinder
  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.