Birch Lake

Details

DNR lake ID

71005700

County

Sherburne

Surface area

160 acres

Maximum depth

18 feet

Mean depth

10 feet

Shallow water (littoral) area

117 acres, 73% of the lake

Shoreline

3.0 miles

Average water clarity

7.0 feet (Secchi disk, 1 readings)

Latest DNR fish survey

June 2019, standard survey

Surveys on record

6, since 1978

Game fish caught in the 2019 survey

bluegill 697, black crappie 90, largemouth bass 82, northern pike 72, pumpkinseed 30, yellow perch 13, hybrid sunfish 3, walleye 1

Fish species recorded

black crappie, bluegill, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, walleye, yellow perch, and 10 other species

Birch Lake Public Water Access Site

trailer launch, concrete slab ramp, 4 trailer spaces, run by Big Lake Township

Infested waters list

Eurasian Watermilfoil

Fish consumption

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

Size

100 to 499 acres

Deepest point

15 to 29 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.