PFAS were detected in 9 out of 10 drinking water samples in independent testing. These "forever chemicals" build up in the body over time.

There is still no legal limit for microplastics in drinking water, even though particles are regularly detected in studies. The Home One uses only food-safe plastic and silicone parts.

Nitrate mainly enters groundwater and tap water through agriculture and is a recognized concern, especially in rural areas.

Lead usually enters drinking water through old pipes, service lines, or individual plumbing components — especially in older buildings.