The vast majority of drinking water in the United States comes from groundwater stores that start out as rain says Green Water Technologies. While in theory, water is nothing more than two hydrogen and one oxygen molecule. But drinking water isn’t pure thanks to the ground upon which it sits.
Experts at Green Water Technologies explain that rain passing through the atmosphere is enriched with carbon dioxide. When combined with H2O, carbon dioxide, or CO2, forms a calcium solvent. This solvent, carbonic acid, remains in the water as it hits the ground, where it begins to pull calcium from stone as water passes along the earth. While this is absolutely not harmful to human health, excessive calcium and other minerals can significantly damage water pipes as well is water-using modern appliances.