The problem with so called "safe" tap water Your local water system is required to test your drinking water for over 90 substances and organisms including heavy metals, VOCs and bacteria annually and report whether any have been found and at what levels. Your municipal water quality report is required to tell you if your drinking water exceeded any federally mandated Maximum Contaminant Levels — MCLs. If there are any violations of Federal MCL’s your local water authority is supposed to take measures to lower them. Drinking Water Standards Loosely Enforced In fiscal year 2010, 10% of all community water systems that provide drinking... read more >>