Minnesota · Koochiching County · River

Big Fork River

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

1 species with advisories · contaminants: Mercury

Minnesota also has statewide guidance

Minnesota publishes rules that apply to rivers across the state — 50 recommendations covering 24 species — in addition to anything listed for Big Fork River below.

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

See all Minnesota statewide guidance →

What's safe to eat from Big Fork River

Walleye

Mercury

SizeWhoGuidance
All sizes General population Limit to one meal per month due to elevated Mercury.

Source: official advisory· updated 2026-09-24

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

  • Big Fork River, Reedy Flats Public Water Access Site canoe launch 0.4 mi Directions
  • Boat ramp boat ramp 3.8 mi Directions

Access points from OpenStreetMap contributors.

About this water

State
Minnesota
County
Koochiching
Type
River
Location
48.5166, -93.7168
Advisory source
Minnesota Department of Health — Fish Consumption Guidelines