Organization	Website
Agency for Toxic Substances and Disease Registry
PFAS and your health: accessible information on PFAS exposures, risks, and protective measures	https://www.atsdr.cdc.gov/pfas
Centers for Disease Control and Prevention
Well water safety: step-by-step instructions for when, how, and what to test in privately owned wells	https://www.cdc.gov/drinking-water/safety/
Drinking water: general guidance on drinking water safety and chemical and microbial risks	https://www.cdc.gov/drinking-water/
Tips for infant formula feeding: guidance on safe water use when preparing formula for infants	https://www.cdc.gov/infant-toddler-nutrition/formula-feeding/
National Sanitation Foundation
Certified drinking water filters: database of filters tested and certified for removal of specific contaminants	https://info.nsf.org/certified/dwtu/
US Environmental Protection Agency
Consumer confidence reports: municipal water utilities' annual water-quality reports that provide region-specific information about elements of an individual's water supply	https://www.epa.gov/ccr
Private drinking water wells: information and resources on testing and maintenance for private well owners	https://www.epa.gov/privatewells