• Aluminium - A major cause of Alzheimer’s – Added by Municipalities
• Arsenic - Affects dermal & nervous systems – Pesticides & Industrial waste
• Barium - Affects circulatory system – Industrial waste
• Cadmium - Kidney failure, causes anemia – Geological & Mining
• Chlorine - With decaying plant matters & fat, forms Trihalomethanes – Cancer causing & high Cholesterol!! – Added by Municipalities to ”clear” water
• Lead - Central nervous system damage, kidney failure, Toxic to pregnant woman & lowers IQ of children – Lead pipes & solder from copper pipe joints
• Fluoride - Skeletal damage, Cancer – Added by Municipalities
• Mercury - Attacks central nervous system, kidney affects – Geological, paint, paper, vinyl & fungicides
• Nitrates - Cancer & Blue Baby Syndrome – Fertilizer, sewage, feedlots
• Selenium - Gastrointestinal – Geological, mining

(Source : Environmental Protection agency)