Survey Says: 100% Mercury Contaminated Fish

David Cassuto

In case you were thinking of celebrating the efficacy of the Clean Air Act and/or the Clean Water Act, consider this: a recent study by the U.S. Geological Service revealed mercury contamination in 100% of the fish tested from 291 freshwater streams in the United States. 

That is not a typo. 

Every single one of the fish sampled was contaminated by mercury, a potent neurotoxin.  Over a quarter contained levels exceeding what the EPA considers to be safe.  Some of the highest concentrations of mercury appeared in fish taken from coastal “blackwater” streams of North and South Carolina, Georgia, Florida and Louisiana — undeveloped, wooded areas  — areas where people looking for clean air and water might look to go.  Apparently, such characteristics facilitate the conversion of mercury from its inorganic form in the atmosphere to a more toxic organic form, methylmercury, which accounts for at least 95 percent of the mercury found in fish.

All this might make you wonder where all that mercury comes from.  Answer: coal-fired power plants (and mining).     Continue reading