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Nitrates used in agricultural fertilizers may leak into the ground and may contaminate well water. The current EPA standard of 10 ppm nitrate-nitrogen for drinking water is specifically set to protect infants. [13] Benzocaine applied to the gums or throat (as commonly used in baby teething gels, or sore throat lozenges) can cause methemoglobinemia.
In early US history, drinking water quality in the country was managed by individual drinking water utilities and at the state and local level. In 1914 the U.S. Public Health Service (PHS) published a set of drinking water standards, pursuant to existing federal authority to regulate interstate commerce , and in response to the 1893 Interstate ...
The burden of polluted drinking water disproportionally effects under-represented and vulnerable populations. [11] Communities that lack these clean drinking-water services are at risk of contracting water-borne and pollution-related illnesses like Cholera, diarrhea, dysentery, hepatitis A, typhoid, and polio. [12]
Drinking water and consuming dietary sources of nitrates/nitrites are speculated to cause increased cancer risks when the nitrate compounds react with amines and amides to form carcinogens. The exact process of how this happens is still being researched.
Nitrogen leaching occurs when nitrogen compounds, primarily nitrates, move through the soil profile and enter groundwater, potentially contaminating drinking water sources. [2] To mitigate these environmental impacts, various nitrogen management strategies are employed in agriculture.
Climate-driven extreme weather conditions, such as droughts and intense precipitation, may be accelerating the pace at which toxic nitrates are polluting groundwater, a recent study has found.
Drinking water quality standards describes the quality parameters set for drinking water. Water may contain many harmful constituents, yet there are no universally recognized and accepted international standards for drinking water. Even where standards do exist, the permitted concentration of individual constituents may vary by as much as ten ...
Lingering nitrate in drinking water poses a plethora of health risks, and both nitrate and nitrous oxide have major environmental impacts. [ 6 ] [ 7 ] Some hazards include, carcinogenic nitrite ions in drinking water, or eutrophication caused by oxidized nitrogen seeding algal blooms .
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