Blackwater Lake

Details

DNR lake ID

11027400

County

Cass

Surface area

771 acres

Maximum depth

67 feet

Shallow water (littoral) area

336 acres, 44% of the lake

Shoreline

7.7 miles

Average water clarity

12.5 feet (Secchi disk, 5 readings)

Latest DNR fish survey

July 2023, standard survey

Surveys on record

13, since 1972

Game fish caught in the 2023 survey

largemouth bass 161, northern pike 119, bluegill 115, pumpkinseed 50, rock bass 46, walleye 26, yellow perch 21, hybrid sunfish 17

Fish species recorded

black crappie, bluegill, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, smallmouth bass, walleye, yellow perch, and 19 other species

Stocked in 2024

walleye fingerlings (3,696); walleye fingerlings (1,106)

Stocked in 2022

walleye fingerlings (5,776)

Stocked in 2021

walleye yearlings (2,688)

Stocking years on record

6 of the last 10 (2016 to 2024)

Black Water Lake Public Water Access Site

trailer launch, concrete slab ramp, 1 dock, 10 trailer spaces, run by DNR Division of Parks and Trails

Fish consumption

Follow the statewide guidelines; fish from this lake have been tested

Size

500 to 1,999 acres

Deepest point

60 feet or more

Public access

Yes

Stocked in the last 3 years

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.