• The United States has one of the safest water supplies in the world; some areas are more at risk than others.  Have your water tested if you’re in question.
• Two of the greatest contaminants are added to municiple water supplies to purify it: chlorine or chloramine and fluoride.
• The two most common water contaminants are radon and lead.
• Millions die every year in the third-world countries from water contamination.
• The greatest risk of contamination may occur after the water leaves the water treatment plant. 

                  A) Lead may enter the water as it flows through the pipes to your tap. 
                  B) Backflow can result from stopped-up toilets and sinks. 
                  C) As chlorine rests in the water, it can react with debris leached  from pipes to create trihalomethanes, suspected carcinogens.                                D) Water stored in plastic containers leach chemicals into the water;