The Environmental Protection Agency (EPA) recommend keeping the pH between 6.5 and 8.5 in drinking water, and many states in the United States choose to enforce these levels. Risks and benefits of ...

Regular tap water has a pH level of around 7.5. Alkaline water has a pH of 8 to 9. The higher the number, the more alkaline (basic). The lower the number, the more acidic.

WHO states that long-term exposure to fluoride levels above 1.5 milligrams per liter (mg/L) in drinking water can lead to health problems. Does water fluoridation help? Evidence is mixed ...

As the federal government scales down fluoride in drinking water, San Diego's levels rise New studies show high fluoride levels can lead to behavioral issues and lower IQ's in children. To stream ...