A warning for people who plan to swim in the beach or lake this summer.
Health experts say risk of disease is higher than normal this year .
High temperatures and run off from strong storms may have caused there to be more bacteria in the water than usual.
The EPA estimates about 3.5 million people get sick each year from contaminated water.
Polluted water can lead to stomach flu, skin rashes, pink eye, and respiratory infections.
Doctors say you can decrease the risks by showering off after you swim.