Heavy Metals http://nhpr.org en What's in Your Water? High Arsenic in 1 in 5 NH Wells. http://nhpr.org/post/whats-your-water-high-arsenic-1-5-nh-wells <p>About 40 percent of New Hampshire residents get their drinking water from private wells. The&nbsp;<a href="http://des.nh.gov/organization/divisions/water/dwgb/well_testing/index.htm">Department of Environmental Services </a>is encouraging well owners to test their water for arsenic, but unlike municipal water supplies, testing isn&rsquo;t mandatory. And colorless, odorless contaminants abound in the Granite State. Fri, 22 Jun 2012 20:49:17 +0000 Sam Evans-Brown 7434 at http://nhpr.org What's in Your Water? High Arsenic in 1 in 5 NH Wells.