During the past several years, the Florida Department of Health (DOH), the Florida Game and Fresh Water Fish Commission, and the Florida Department of Environmental Protection have discovered high levels of mercury in fish from some freshwater locations around the state

Florida Department of Health
Environmental Toxicology
4052 Bald Cypress Way
Tallahassee, FL 32399
850 488-3385
http://fcn.state.fl.us/fwc/fishing/health.html (now http://myfwc.com/Fishing/health.html)