Square Lake

Details

DNR lake ID

82004600

County

Washington

Surface area

203 acres

Maximum depth

68 feet

Shallow water (littoral) area

65 acres, 32% of the lake

Shoreline

2.4 miles

Average water clarity

17.0 feet (Secchi disk, 2 readings)

Nearest town (DNR)

Stillwater

Latest DNR fish survey

August 2016, targeted survey

Surveys on record

16, since 1979

Game fish caught in the 2016 survey

bluegill 406, largemouth bass 4, hybrid sunfish 1, pumpkinseed 1, green sunfish 1

Fish species recorded

black crappie, bluegill, brown trout, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rainbow trout, yellow perch, and 15 other species

Square Lake Public Water Access Site

trailer launch, concrete slab ramp, 1 dock, 8 trailer spaces, toilet, run by Washington County

Eating advice, general populations

yellow perch: all sizes - 2 servings/week

Size

100 to 499 acres

Deepest point

60 feet or more

Public access

Yes

Lake-specific eating advice

Yes

Sources

• Minnesota DNR LakeFinder
  Checked September 24, 2026
• Minnesota DNR Public Water Access Sites
  Checked September 24, 2026
• Minnesota Department of Health fish consumption guidelines
  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.