About 25% of usable groundwater and 45% of municipal groundwater is polluted. More than 90% of wells in Florida have been closed down due to contamination.
Freshwater and ocean pollution affects the availability of safe water for humans and the environment. Water pollution kills millions of people in underdeveloped countries each year.
Currently, countries like the United States and China produce the most hazardous waste. The Superfund Act in the United States requires companies to clean up contaminated sites.
One drop of trichloroethylene can contaminate an Olympic swimming pool. Water with trichloroethylene can easily cause leukemia and other illnesses in children.