<p>In Mississippi, mains water is delivered by local public water systems, regulated by the Mississippi State Dept of Health (MSDH), Bureau of Public Water Supply under the US EPA Safe Drinking Water Act. Typical hardness: Generally soft; coastal-plain sand aquifers give mostly soft groundwater. For a specific ZIP, see the EWG Tap Water Database.</p>
Sources: Mississippi State Dept of Health (MSDH), Bureau of Public Water Supply, EWG Tap Water Database