The following link entitled “The Bauxite Story – A Look at ALCOA” is an online documentation of the cause of fluoride in the water supply.
This second link entitled “The Bizarre History Of Fluoride” is a lecture on the history and toxicity of fluoride.
“To find out if one’s own drinking supply is contaminated with fluoride, do a search for “fluoride testing stripes”. Also call the testing strip supplier to find out if any extra lab equipment is needed to be purchased along with the testing equipment. The average cost of testing strips ranges from $30 to $50.”