A-Z Drinking Water Contaminants

The links below will help you learn about contaminants that could affect Vermont waters, including your drinking water. You'll find information about:

  • what the contaminant is and how it gets in your water
  • how the contaminant can affect your health
  • how to test for the contaminant in water
  • how to treat for the contaminant if you have high levels in your drinking water

The Health Department uses different types of drinking water guidance levels to protect people’s health. Drinking water that is contaminated above the guidance level may pose some health risk to people drinking the water. Learn more about Vermont's drinking water guidance levels

Contaminant
Antimony
Arsenic
Bacteria (Total Coliform, E. coli)
Barium
Beryllium
Cadmium
Chromium
Copper
Disinfection Byproducts
Gross Alpha Radiation
Hydrogen Sulfide Gas (rotten egg smell)
Lead
Manganese
Mercury
Nitrate
N3/N2 (total)
Radon
Selenium
Synthetic Organic Chemicals
Thallium
Uranium
Volatile Organic Chemicals