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Through the Safe Drinking Water Act, the United States Environmental Protection Agency has set a maximum contaminant level of 10 mg/L or 10 ppm of nitrate in drinking water. [ 18 ] An acceptable daily intake (ADI) for nitrate ions was established in the range of 0–3.7 mg (kg body weight) −1 day −1 by the Joint FAO/WHO Expert Committee on ...
The water in the Des Moines River is near the maximum legal level of nitrate concentrations for drinking water, and the EPA has declared much of the fish in the river unsafe to eat. [9] Nitrate concentration estimations were made from 1980 to 2010 at a site of the Mississippi River above the Old River Outflow Channel, which is also known as the ...
Elevated nitrate in groundwater is a concern for drinking water use because nitrate can interfere with blood-oxygen levels in infants and cause methemoglobinemia or blue-baby syndrome. [28] Where groundwater recharges stream flow, nitrate-enriched groundwater can contribute to eutrophication , a process that leads to high algal population and ...
In 20 communities around Minnesota, the drinking water supply is so contaminated with toxic nitrate from farm pollution that the state has the obligation to change the way farmers fertilize their ...
Nitrate levels above 10 mg/L (10 ppm) in groundwater can cause "blue baby syndrome" (acquired methemoglobinemia). Drinking water quality standards in the European Union stipulate less than 50 mg/L for nitrate in drinking water. The linkages between nitrates in drinking water and blue baby syndrome have been disputed in other studies.
A new water treatment plant for Brighton and Hove is needed because of an increased risk of contamination, Southern Water has said. The company has applied to build a nitrate treatment plant ...
Sodium nitrite is an inorganic compound with the chemical formula Na N O 2. It is a white to slightly yellowish crystalline powder that is very soluble in water and is hygroscopic. From an industrial perspective, it is the most important nitrite salt.
Des Moines Water Works its asking its 600,000 customers to not water their lawns, saying it will be unable to meet federal limits on nitrate levels with rising concentrations in the Des Moines and ...
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