After the frack is done, there is a pit left of hazardous waste. If the well is not sealed properly, it can burst. This happened to Dimock because the well was not properly cased it exploded and leaked out hazardous frack fluid. (What the Frack?, Water Pollution) As the gas fills run out, companies have to go to start somewhere new and perform riskier methods. (The Story of Energy) The wells can only be fracked 18 times after that all that’s left is an empty pit. People are nervous the cocktail of fluids could potentially leak in or the natural gas could migrate up. (One Fracking Minute) With all the different chemicals used in fracking there is a strong possibility that it will contaminate people’s drinking
