Mazaska Lake

Details

DNR lake ID

66003900

County

Rice

Surface area

688 acres

Maximum depth

50 feet

Mean depth

13 feet

Shallow water (littoral) area

336 acres, 49% of the lake

Shoreline

4.9 miles

Average water clarity

4.3 feet (Secchi disk, 5 readings)

Nearest town (DNR)

Shieldsville

Latest DNR fish survey

July 2025, standard survey

Surveys on record

18, since 1981

Game fish caught in the 2025 survey

bluegill 123, largemouth bass 43, black crappie 35, walleye 34, northern pike 33, white crappie 12, yellow perch 11, white bass 5

Fish species recorded

black crappie, bluegill, crappie, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, walleye, white bass, white crappie, yellow perch, and 18 other species

Stocked in 2025

northern pike fry (9,516)

Stocked in 2024

walleye fingerlings (2,884)

Stocked in 2022

northern pike fry (17,765); walleye fingerlings (3,357); walleye fingerlings (2,656)

Stocking years on record

9 of the last 10 (2016 to 2025)

Mazaska Lake (SW) Public Water Access Site

trailer launch, concrete slab ramp, 14 trailer spaces, run by Rice County

Mazaska Lake (SE) Public Water Access Site

trailer launch, concrete slab ramp, 2 docks, 18 trailer spaces, run by DNR Division of Parks and Trails

Infested waters list

Eurasian watermilfoil

Special regulation

Sunfish: Daily limit five.

Fish consumption

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

Size

500 to 1,999 acres

Deepest point

30 to 59 feet

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.