Walleye lake, Northern pike lake, Bass lake, Crappie lake, Sunfish lake

Union Lake

Zebra musselsPublic accessStocked 2024

Union Lake is a 887-acre lake in Polk County, 83 feet at its deepest. The DNR last surveyed its fish in 2022. Recorded species include walleye, northern pike, largemouth bass and crappie.

Details

DNR lake ID
60021700
County
Polk
Surface area
887 acres
Maximum depth
83 feet
Shallow water (littoral) area
394 acres, 44% of the lake
Shoreline
14.6 miles
Average water clarity
6.9 feet (Secchi disk, 8 readings)
Nearest town (DNR)
Erskine
Latest DNR fish survey
August 2022, standard survey
Surveys on record
11, since 1960
Game fish caught in the 2022 survey
bluegill 430, northern pike 119, black crappie 90, walleye 64, yellow perch 38, largemouth bass 16, pumpkinseed 11
Fish species recorded
black crappie, bluegill, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, sunfish, walleye, yellow perch, and 9 other species
Stocked in 2024
walleye fry (591,000)
Stocked in 2022
walleye fry (591,000)
Stocked in 2021
walleye fry (592,000)
Stocking years on record
5 of the last 10 (2016 to 2024)
Union Lake, West Public Water Access Site
trailer launch, concrete slab ramp, 1 dock, 10 trailer spaces, toilet, run by DNR Division of Parks and Trails
Union Lake, East Public Water Access Site
carry-in, 1 trailer spaces, run by Polk County
Infested waters list
Eurasian watermilfoil, zebra mussel
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

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.