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Water Quality and Contaminants

FWRI staff monitor changes in water quality and levels of contaminants, including mercury in fish, in Florida's fresh waters.


Dissolved Oxygen Levels in Florida Freshwater Bodies: A Photo Set on Flickr
Biologists are studying dissolved oxygen’s (DO) impact on freshwater fish communities.

Mercury Testing
Since 1983, the FWC has actively investigated the occurrence of mercury in Florida's freshwater and marine environments.