Does Exposure to Nitrate Cause Cancer?
There is no evidence that nitrate or nitrite causes cancer in laboratory animals or humans. Studies have shown that diets lacking dietary fiber and including foods with high levels of nitrate and nitrite such as smoked meats, may promote stomach cancers. However, studies have not indicated that drinking water high in nitrate is associated with stomach cancer. Nitrate in Well Water and What to Do About It If You Use Private Well Water, Have Your Water Tested? Public water systems are tested to insure that they conform to certain drinking water standards, but there are no requirements about the testing of private wells. It is especially critical that you have your water tested if you have an infant, or someone who is planning to become pregnant, in your household. In any case, it’s a good idea to have your water tested at least once a year, between April and July when nitrate and nitrite levels are typically the highest. In addition, it is also important to have your well tested once a y
