Minnesota · St. Louis County · Lake

Ole Lake

Is the fish you caught here safe to eat? Below is every consumption advisory on file for Ole Lake, by species and size, in plain English — plus what's legal to keep.

5 species with advisories · contaminants: Mercury

Northeast Minnesota guidance (Cook, Lake and St. Louis counties) applies here

Ole Lake falls under Minnesota's regional guidance — 50 recommendations covering 24 species, stricter than the statewide rules for several — in addition to anything listed for Ole Lake below.

Strictest regional rule: Muskellunge — For children under 15 and people who are or may become pregnant: do not eat due to elevated Mercury.

See all Northeast Minnesota guidance (Cook, Lake and St. Louis counties) →

What's safe to eat from Ole Lake

Bluegill

Mercury

SizeWhoGuidance
All sizes General population Limit to two meals per week due to elevated Mercury.
Children under 15 and people who are or may become pregnant For children under 15 and people who are or may become pregnant: limit to one meal per month due to elevated Mercury.

Source: official advisory· updated 2026-09-23

Green Sunfish

Mercury

SizeWhoGuidance
All sizes General population Limit to two meals per week due to elevated Mercury.
Children under 15 and people who are or may become pregnant For children under 15 and people who are or may become pregnant: limit to one meal per month due to elevated Mercury.

Source: official advisory· updated 2026-09-23

Pumpkinseed

Mercury

SizeWhoGuidance
All sizes General population Limit to two meals per week due to elevated Mercury.
Children under 15 and people who are or may become pregnant For children under 15 and people who are or may become pregnant: limit to one meal per month due to elevated Mercury.

Source: official advisory· updated 2026-09-23

Sunfish

Mercury

SizeWhoGuidance
All sizes General population Limit to two meals per week due to elevated Mercury.
Children under 15 and people who are or may become pregnant For children under 15 and people who are or may become pregnant: limit to one meal per month due to elevated Mercury.

Source: official advisory· updated 2026-09-23

Walleye

Mercury

SizeWhoGuidance
Under 17" Children under 15 and people who are or may become pregnant For children under 15 and people who are or may become pregnant: limit to one meal per month due to elevated Mercury.
Over 17" Children under 15 and people who are or may become pregnant For children under 15 and people who are or may become pregnant: do not eat due to elevated Mercury.
All sizes General population Limit to one meal per month due to elevated Mercury.

Source: official advisory· updated 2026-09-23

Is it legal to keep?

These are Minnesota's statewide limits — a water-specific rule may override them. Always verify the current regulations before keeping a fish.

SpeciesSizeDaily limitOpen seasonKeep season
Walleye 6 Year-round Same as open
Sauger 6 Year-round Same as open
Northern Pike 10 Year-round Same as open
Muskellunge 54" min 1 06-01 – 12-01 Same as open
Largemouth Bass 6 Year-round 05-24 – 02-25
Smallmouth Bass 6 Year-round 05-24 – 02-25
Bluegill 20 Year-round Same as open
Black Crappie 10 Year-round Same as open
Yellow Perch 20 Year-round Same as open
Channel Catfish 5 Year-round Same as open
Lake Trout 2 Year-round Same as open

Official rules: Minnesota — Minnesota DNR

Getting on the water

  • North Arm Boat Landing boat ramp 3.6 mi Directions
  • Burntside Lake (NE) Public Water Access Site canoe launch 4.6 mi Directions
  • Ccounty Road 404 Public Water Access Site boat ramp 4.6 mi Directions

Access points from OpenStreetMap contributors.

About this water

State
Minnesota
County
St. Louis
Type
Lake
Location
47.9754, -92.0297
Advisory source
Minnesota Department of Health — Fish Consumption Guidelines