NITRATE. Infants who drink water contaminated with high levels of nitrate or take foods made with water which is contaminated with nitrate MAY develop serious health condition due to which INFANT’s blood is unable to carry enough oxygen to body cells and tissue.This condition is KNOWN as methemoglobinemia or “blue baby syndrome.”In this disease, the infant’s blood is unable to carry enough oxygen to body cells and tissue.It was published in some research papers that the groundwater with large concentrations of Nitrate salts causes the Blue Baby Syndrome.