Many fluoride minerals are known, but of paramount commercial importance are fluorite and fluorapatite. Fluoride is found naturally in low concentration in drinking water and foods. Waters from underground sources are more likely to have higher levels of fluoride, whereas the concentration in seawater averages 1.3 parts per million (ppm). Fresh water supplies generally contain between 0.01–0.3 ppm, whereas the ocean contains between 1.2 and 1.5 ppm.
As for forced procedures. I don't hear Brits or Candadians claiming thery were forced into any medical procedure. Have you been getting your info from Fox News?