Diamond Lake

Details

DNR lake ID

34004400

County

Kandiyohi

Surface area

1,610 acres

Maximum depth

27 feet

Mean depth

16 feet

Shallow water (littoral) area

635 acres, 39% of the lake

Shoreline

9.5 miles

Average water clarity

7.1 feet (Secchi disk, 7 readings)

Latest DNR fish survey

October 2025, targeted survey

Surveys on record

22, since 1982

Game fish caught in the 2025 survey

walleye 15

Fish species recorded

black crappie, bluegill, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, walleye, yellow perch, and 16 other species

Stocked in 2025

walleye fry (715,890)

Stocked in 2024

walleye fingerlings (11,436)

Stocked in 2023

walleye fry (1,010,477)

Stocking years on record

9 of the last 10 (2016 to 2025)

Diamond Lake (E) Public Water Access Site

trailer launch, concrete slab ramp, 1 dock, 10 trailer spaces, run by Kandiyohi County

Diamond Lake (W) Public Water Access Site

trailer launch, concrete slab ramp, 2 docks, 30 trailer spaces, toilet, run by Kandiyohi County

Infested waters list

zebra mussel

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

15 to 29 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.