Sunset,
I believe you said ohio is where you' ll be fishing. Here is a listing of what bodies of water have fish advisory for them:
limit meals:
http://www.epa.state.oh.us/dsw/fisha...imitmeals.html
Do NOT eat:
http://www.epa.state.oh.us/dsw/fisha.../donoteat.html
Do NOT SWIM OR WADE:
http://www.epa.state.oh.us/dsw/fisha...donotwade.html