You drink it, you cook with it, you bathe in it, you wash your dishes with it. Your home's water is an integral part to every aspect of your daily life. If your water contains questionable materials, though, you might unknowingly be exposing yourself and your family to toxic chemicals with every sip you take. Your water could be totally safe. Or your water could contain substances like lead. The only way to know for sure is to take matters in your own hands and find out for yourself.