The latest news on water safety
One-quarter of those hurt are under 16, researchers say
Abandoned mercury mines throughout central California are polluting major waterways.
EPA found only a fraction of power plants were using available technologies to remove pollutants.
Drowning and other accidents spike when school is out, earning the summer the moniker "trauma season."
Youngsters need extra vigilance near pools, beaches and hot tubs, experts warn
Parents can do a lot to keep kids safe, experts say
Young kids are especially vulnerable to contamination, experts say
Concentrations approach those shown to have adverse effects in laboratory animals.
Study cites sun and smoke as other factors linked to the disease