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

Blue Lake

Public accessStocked 2024

Blue Lake is a 296-acre lake in Isanti County, 31 feet at its deepest. The DNR last surveyed its fish in 2025. Recorded species include walleye, northern pike, largemouth bass and crappie.

Details

DNR lake ID
30010700
County
Isanti
Surface area
296 acres
Maximum depth
31 feet
Shallow water (littoral) area
134 acres, 45% of the lake
Shoreline
6.4 miles
Average water clarity
4.4 feet (Secchi disk, 3 readings)
Nearest town (DNR)
Princeton
Latest DNR fish survey
May 2025, targeted survey
Surveys on record
11, since 1973
Game fish caught in the 2025 survey
black crappie 264
Fish species recorded
black crappie, bluegill, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, walleye, yellow perch, and 17 other species
Stocked in 2024
walleye fingerlings (1,225); walleye fingerlings (833)
Stocked in 2022
walleye fingerlings (8,576)
Stocked in 2020
walleye yearlings (4,690)
Stocking years on record
5 of the last 10 (2016 to 2024)
Blue Lake (NW) Public Water Access Site
trailer launch, concrete slab ramp, run by Spencer Brook Township
Blue Lake (SE) Public Water Access Site
trailer launch, concrete slab ramp, 1 dock, 6 trailer spaces, toilet, run by Stanford Township
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
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.

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