This page is very short as no proper safety studies have ever been done on the long term effects of fluoridated water.

The 1st Icon Link on this page contains a written response from Health Canada when they were asked to provide safety studies on the products used to fluoridate public water. 

The 2nd icon link is a written response from the US Environmental Protection Agency when they were asked if any safety studies existed.

At minute 10:50, Dr. Levy explains  that no proper safety studies exist