Nitrates
High nitrate levels in drinking water are harmful to infants under the age of 4 months, including unborn children. The nitrogen can replace oxygen in a fetus/infant’s developing respiratory system. Therefore, well water with high nitrates should not be consumed in large quantities by pregnant women or mixed with powdered baby formula. The maximum contaminant level for nitrates is 10.0 mg/L.
A reverse osmosis system is the treatment recommended to reduce nitrate levels.