Nitrates, consumed over time, can harm the kidneys and spleen. High nitrate levels in infants can cause shortness of breath and fatal “baby blue” syndrome, due to the inability to carry oxygen through the body. Once a nitrate enters the body, it converts to a nitrite. Nitrites have been linked to cancer and other health problems. The E.P.A. () sets the MCL (Maximum Containment Level) & MCLG (Maximum Containment Level Goal) at 10 ppm (parts per million) for nitrate levels in drinking water.
Nitrates cannot be boiled from the water. In fact, boiling increases the amount of nitrates in the water. As the boiling water evaporates, higher concentrates of nitrates are left over. Nitrates can only be removed by process of reverse osmosis.
Reverse osmosis would reduce nitrates at the point of use. Multi-Pure’s RO Treated Water is pure water, free of chemicals and carcinogens.
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Carbonate aquifers, which provide more groundwater for drinking water than any other type of bedrock aquifer in the United States, are typically low in contaminants, the (USGS) reported in a June 26 press release summarizing the results of a new USGS study. Carbonate aquifers are underground rock layers typically consisting of limestone or dolomite, and some can contain caves or cause sinkholes. Much of Florida, for instance, is underlain by these aquifers, and the large Edwards-Trinity aquifer is beneath Texas. Carbonate aquifers supply 20 percent of the groundwater used for drinking in the United States.
The USGS noted that radon and nitrate were among the few contaminants with elevated concentrations in samples taken in its study from water wells drilled into carbonate aquifers. Nitrate was the most commonly detected contaminant sampled in these aquifers at concentrations above its federal maximum contaminant limit (for nitrate: 10 parts per million), the USGS said. Nitrate exceeded that standard in 5 percent of sampled wells.
USGS said the types of contaminants found in carbonate aquifers are closely related to land use, such as the use of fertilizers, pesticides and volatile organic compounds (VOCs).