Separately, the EPA has a longstanding requirement that water systems cannot have more than 4 mg of fluoride per liter of water. That standard is designed to prevent skeletal fluorosis, a potentially crippling disorder which causes weaker bones, stiffness, and pain.

Click for the latest from The Hill{beacon} Energy & Environment Energy & Environment   The Big Story Judge orders EPA to address potential IQ impacts of fluoride in drinking

More than 200 million Americans drink fluoridated water, put into the water supply by local jurisdictions for dental benefits.

A federal judge ruled on Tuesday that the EPA must take steps to lower the potential risk of fluoride causing lower IQs in kids.

The Environmental Protection Agency must address concerns about potential health risks posed by the recommended levels of fluoride in the country's drinking water, a federal court in California has ruled.

A federal judge in California has ruled against the Environmental Protection Agency, ordering them to look into whether fluoride levels in drinking water may pose risks to children.

The ruling was hailed by the environmental group Food & Water Watch, which led a coalition of organizations that sued the EPA in 2017. The agency had denied their so-called citize

Since 2015, federal health officials have recommended a fluoridation level of 0.7 milligrams per liter of water. For five decades before that, the recommended upper range was 1.2. The World Health