What do I do if I have elevated arsenic levels in my drinking water?
Arsenic is a notoriously poisonous metalloid with many allotropic forms. Arsenic is found naturally in the ground, as well as in pesticides, herbicides, insecticides, and various alloys. If you are concerned, or have been notified, that your water may contain elevated arsenic levels, then you should probably have your water tested. The EPA maximum health standard for arsenic is 10 micrograms per liter. There are several methods of reducing arsenic. Some will reduce for the whole house, and some for a single tap, for example, a tap at the kitchen sink. The purchase and installation of treatment equipment to reduce