Water Contaminants
Information about health effects
Click on the name of the chemical contaminant to learn more
Stable Contaminants
Aluminum
Arsenic
Barium
Cadmium
Chromium
Iron
Lead
Mercury
Selenium
Thallium
Radionuclides
Lead-210
Radium
Thorium
Uranium
Alpha Particles
Beta Particles
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Information on Contaminants
Drinking Water Improvement Program
Geiger Group
US Environmental Protection Agency