2026 TapWater.org · Data sourced from EPA SDWIS and USGS
TapWater.org aggregates publicly available data from EPA SDWIS, USGS, and municipal Consumer Confidence Reports. We do not independently test water. Our assessments reflect compliance with EPA standards and are not health or medical advice. Water quality varies by location and over time. For current information, contact your local water utility or consult a healthcare professional.