Union Lake

Details

DNR lake ID

66003200

County

Rice

Surface area

397 acres

Maximum depth

10 feet

Shallow water (littoral) area

397 acres, 100% of the lake

Shoreline

5.2 miles

Average water clarity

1.9 feet (Secchi disk, 1 readings)

Nearest town (DNR)

Little Chicago

Latest DNR fish survey

July 2015, standard survey

Surveys on record

3, since 1984

Game fish caught in the 2015 survey

yellow perch 270, northern pike 144, bluegill 85, hybrid sunfish 29, green sunfish 18, walleye 12

Fish species recorded

black crappie, bluegill, green sunfish, hybrid sunfish, largemouth bass, northern pike, walleye, white crappie, yellow perch, and 9 other species

Stocked in 2023

walleye fry (992,500)

Stocked in 2021

walleye fry (1,411,483)

Stocked in 2019

walleye fry (1,398,315)

Stocking years on record

4 of the last 10 (2017 to 2023)

Union Lake Public Water Access Site

trailer launch, concrete slab ramp, 1 dock, 5 trailer spaces, run by Rice County

Fish consumption

Follow the statewide guidelines; fish from this lake have not been tested

Size

100 to 499 acres

Deepest point

Under 15 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.