<p>In Vermont, mains water is delivered by local public water systems, regulated by the Vermont Dept of Environmental Conservation, Drinking Water & Groundwater Protection Division under the US EPA Safe Drinking Water Act. Typical hardness: Soft to moderately hard; harder in the western Champlain Valley limestone, softer over Green Mountain granite. For a specific ZIP, see the EWG Tap Water Database.</p>
Sources: Vermont Dept of Environmental Conservation, Drinking Water & Groundwater Protection Division, EWG Tap Water Database