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Water Polluants – AquaSafe

Water Polluants

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How EPA regulates drinking water contaminants

The following are general categories of drinking water contaminants and examples of each:
Physical contaminants primarily impact the physical appearance or other physical properties of water. Examples of physical contaminants are sediment or organic material suspended in the water of lakes, rivers, and streams from soil erosion.
Chemical contaminants are elements or compounds. These contaminants may be naturally occurring or man-made. Examples of chemical contaminants include nitrogen, bleach, salts, pesticides, metals, toxins produced by bacteria, and human or animal drugs.
Biological contaminants are organisms in water. They are also referred to as microbes or microbiological contaminants. Examples of biological or microbial contaminants include bacteria, viruses, protozoan, and parasites.
Radiological contaminants are chemical elements with an unbalanced number of protons and neutrons resulting in unstable atoms that can emit ionizing radiation. Examples of radiological contaminants include cesium, plutonium, and uranium.

Pollutants to be removed from water

Toxic Substances
(Very dangerous)

Arsenic
Mercury
Selenium
Ammonia
Bacteria
Chromium Magnesium
Cyanide Football
Solvents Turbidity
Detergents
Insecticides
Nitrates
Nickel
Pesticides
Lead
Surfactants
Hydrocarbons
Radioactivity
Copper
Herbicides
Trihalomethanes

Hazardous Substances
(Dangerous)

Chlorine
Phosphate
MN Sulfates
Sodium Silver Silicates

Undesirable Substances

Fluorides
Iron
Potassium
Magnesium