Rush Island Lake

Details

DNR lake ID

31083200

County

Itasca

Surface area

297 acres

Maximum depth

32 feet

Mean depth

19 feet

Shallow water (littoral) area

99 acres, 33% of the lake

Shoreline

3.3 miles

Average water clarity

10.2 feet (Secchi disk, 3 readings)

Nearest town (DNR)

Talmoon

Latest DNR fish survey

August 2021, targeted survey

Surveys on record

10, since 1959

Game fish caught in the 2021 survey

largemouth bass 57, bluegill 46, yellow perch 16, pumpkinseed 10, northern pike 1, hybrid sunfish 1

Fish species recorded

black crappie, bluegill, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, walleye, yellow perch, and 16 other species

Stocked in 2021

walleye fry (99,000)

Stocked in 2019

walleye fry (99,000)

Stocked in 2017

walleye fry (109,000)

Rush Island Lake Public Water Access Site

trailer launch, concrete slab ramp, 5 trailer spaces, run by DNR Division of Parks and Trails

Fish consumption

Follow the statewide guidelines; fish from this lake have not been tested

Size

100 to 499 acres

Deepest point

30 to 59 feet

Public access

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.