<p>In Utah, mains water is delivered by local public water systems, regulated by the Utah Dept. of Environmental Quality (DEQ), Division of Drinking Water under the US EPA Safe Drinking Water Act. Typical hardness: Hard to very hard statewide. For a specific ZIP, see the EWG Tap Water Database.</p>
Sources: Utah Dept. of Environmental Quality (DEQ), Division of Drinking Water, EWG Tap Water Database