<p>In Georgia, mains water is delivered by local public water systems, regulated by the Georgia Environmental Protection Division (EPD), Drinking Water Program under the US EPA Safe Drinking Water Act. Typical hardness: Mostly soft (crystalline Piedmont rock; Atlanta soft), moderately hard in NW limestone areas. For a specific ZIP, see the EWG Tap Water Database.</p>
Sources: Georgia Environmental Protection Division (EPD), Drinking Water Program, EWG Tap Water Database