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Ohio · River

Stillwater River (39.94, -84.31)

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

4 species with advisories · contaminants: Mercury

Ohio also has statewide guidance

Ohio publishes rules that apply to rivers across the state — 11 recommendations covering 11 species — in addition to anything listed for Stillwater River below.

Strictest statewide rule: Flathead Catfish, Over 23" — Limit to one meal per month due to elevated Mercury.

See all Ohio statewide guidance →

What's safe to eat from Stillwater River

Channel Catfish

Mercury

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

Source: official advisory· updated 2026-09-22

Largemouth Bass

Mercury

SizeWhoGuidance
Over 13" General population Limit to one meal per month due to elevated Mercury.

Source: official advisory· updated 2026-09-22

Rock Bass

Mercury

SizeWhoGuidance
Over 8" General population Limit to one meal per month due to elevated Mercury.

Source: official advisory· updated 2026-09-22

Smallmouth Bass

Mercury

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

Source: official advisory· updated 2026-09-22

Is it legal to keep?

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

SpeciesSizeDaily limitOpen seasonKeep season
Largemouth Bass 12" min 5 Year-round Same as open
Smallmouth Bass 12" min 5 Year-round Same as open
Walleye 15" min 6 Year-round Same as open
Muskellunge 30" min 1 Year-round Same as open
Northern Pike 6 Year-round Same as open
Channel Catfish 6 Year-round Same as open

Official rules: Ohio — Ohio DNR

Getting on the water

Access points from OpenStreetMap contributors.

About this water

State
Ohio
Type
River
Location
39.9396, -84.3064
Advisory source
Ohio EPA / Ohio Dept. of Health — Ohio Sport Fish Consumption Advisory