Walleye lake, Northern pike lake, Bass lake, Crappie lake, Sunfish lake

St. Olaf Lake

Public accessStocked 2025

St. Olaf Lake is a 91-acre lake in Waseca County, 33 feet at its deepest. The DNR last surveyed its fish in 2022. Recorded species include walleye, northern pike, largemouth bass and crappie.

Details

DNR lake ID
81000300
County
Waseca
Surface area
91 acres
Maximum depth
33 feet
Shallow water (littoral) area
51 acres, 56% of the lake
Shoreline
1.6 miles
Average water clarity
5.3 feet (Secchi disk, 3 readings)
Nearest town (DNR)
Mankato
Latest DNR fish survey
June 2022, standard survey
Surveys on record
11, since 1981
Game fish caught in the 2022 survey
bluegill 1,399, largemouth bass 152, black crappie 43, hybrid sunfish 21, pumpkinseed 20, northern pike 17, yellow perch 12, white crappie 7
Fish species recorded
black crappie, bluegill, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, sauger, walleye, white crappie, yellow perch, and 7 other species
Stocked in 2025
northern pike (2,500)
Stocked in 2024
northern pike (1,275)
Stocked in 2023
northern pike fry (26,676)
Stocking years on record
9 of the last 10 (2016 to 2025)
St. Olaf Lake Public Water Access Site
trailer launch, concrete slab ramp, 1 dock, 10 trailer spaces, toilet, run by City of New Richland
Fish consumption
Follow the statewide guidelines; fish from this lake have been tested
Size
Under 100 acres
Deepest point
30 to 59 feet
Public access
Yes
Stocked in the last 3 years
Yes

Sources

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.