Lake Blanche

Details

DNR lake ID

56024000

County

Otter Tail

Surface area

1,296 acres

Maximum depth

64 feet

Shallow water (littoral) area

1,002 acres, 77% of the lake

Shoreline

5.6 miles

Average water clarity

7.7 feet (Secchi disk, 2 readings)

Nearest town (DNR)

Ottertail

Latest DNR fish survey

June 2025, targeted survey

Surveys on record

7, since 1986

Game fish caught in the 2025 survey

bluegill 177, pumpkinseed 113, hybrid sunfish 12, black crappie 1

Fish species recorded

black crappie, bluegill, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, walleye, yellow perch, and 7 other species

Stocked in 2025

walleye fry (1,002,000)

Stocked in 2023

walleye fry (1,002,000)

Stocked in 2021

walleye fry (1,002,000)

Stocking years on record

5 of the last 10 (2017 to 2025)

Blanche Lake Public Water Access Site

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

Infested waters list

zebra mussel

Eating advice, sensitive populations

bullhead: all sizes - 1 serving/month

Eating advice, general populations

bullhead: all sizes - 2 servings/week

Size

500 to 1,999 acres

Deepest point

60 feet or more

Public access

Yes

Stocked in the last 3 years

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.