Water Treatment : Nitrates

What are Nitrates?

Nitrate and nitrite are soluble compounds containing nitrogen and oxygen. Nitrate (NO3-) is more stable than nitrite (NO2-). This means nitrite easily changes into nitrate in groundwater and the results of a nitrate plus nitrite test are almost always predominantly nitrate. Nitrate is essential for plant growth and is present in all vegetables.

Nitrate (NO3) comes into water supplies through the nitrogen cycle rather than via dissolved minerals. It is one of the major ions in natural waters. Most nitrate that occurs in drinking water is the result of contamination of ground water supplies by septic systems, feed lots, and agricultural fertilizers. Nitrate is reduced to nitrite in the body. The US EPA's MCL for nitrate is 10 mg/l.

Are Nitrates Harmful in Drinking Water?

Although high nitrate levels have been implicated in central nervous disorders and hypertension in adults, nitrate has been highly regulated primarily to prevent methemoglobinemia, a sometimes fatal blood condition in infants also known as "blue baby syndrome". This condition reduces the blood's oxygen carrying ability in infants and fetuses. High levels of nitrate have also been linked to miscarriages in humans and livestock, including horses.

Residential Nitrate Filtration Systems:

Under the sink reverse osmosis water systems

Whole house reverse osmosis water filters

Anion exchange well water nitrate treatment

Commercial Nitrate Water Filter Systems:

Commercial reverse osmosis  

( RainDance Water Systems)

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