A federal judge has ordered the U.S. Environmental Protection Agency to further regulate fluoride in drinking water because ...
A federal judge ruled on Tuesday that the EPA must take steps to lower the potential risk of fluoride causing lower IQs in ...
down from the previous upper range of 1.2. The World Health Organization's safe limit for fluoride in drinking water is set at 1.5 milligrams per liter. The report did not draw conclusions about the ...
Separately, the EPA has a longstanding requirement that water systems cannot have more than 4 mg of fluoride per liter of ...