Prairie Lake

Details

DNR lake ID

69084800

County

St. Louis

Surface area

794 acres

Maximum depth

47 feet

Shallow water (littoral) area

272 acres, 34% of the lake

Shoreline

8.2 miles

Average water clarity

4.6 feet (Secchi disk, 4 readings)

Nearest town (DNR)

Flood Wood

Latest DNR fish survey

August 2025, targeted survey

Surveys on record

8, since 1983

Game fish caught in the 2025 survey

yellow perch 2,061, bluegill 321, rock bass 286, largemouth bass 155, black crappie 104, pumpkinseed 74, northern pike 5, walleye 2

Fish species recorded

black crappie, bluegill, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, walleye, yellow perch, and 21 other species

Stocked in 2025

walleye fry (280,000)

Stocked in 2023

walleye fry (300,000)

Stocked in 2021

walleye fry (270,000)

Stocking years on record

5 of the last 10 (2017 to 2025)

Prairie Lake Public Water Access Site

trailer launch, concrete slab ramp, 1 dock, 6 trailer spaces, toilet, run by DNR Division of Parks and Trails

Fish consumption

Follow the northeast 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.