Portage Lake

Details

DNR lake ID

31082400

County

Itasca

Surface area

715 acres

Maximum depth

60 feet

Shallow water (littoral) area

36 acres, 5% of the lake

Shoreline

10.0 miles

Latest DNR fish survey

July 1986, population assessment

Surveys on record

2, since 1978

Game fish caught in the 1986 survey

yellow perch 36, northern pike 16, walleye 7, pumpkinseed 6, bluegill 6, rock bass 4, black crappie 1

Fish species recorded

black crappie, bluegill, largemouth bass, northern pike, pumpkinseed, rock bass, walleye, yellow perch, and 8 other species

Infested waters list

zebra mussel

Special regulation, Including connecting Birds Eye Lake, Little Sand Lake, Portage Lake, Rice Lake, and Bowstring River upstream to County Road 35 bridge and downstream to the County Road 145 bridge.

Walleye: All from 20-24" must be immediately released. Only one over 24" allowed in possession.

Fish consumption

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

Size

500 to 1,999 acres

Deepest point

60 feet or more

Sources

• Minnesota DNR LakeFinder
  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.