Immediate response from thumbnail: depends on what type of power plant,(reply>), I was just meaning normal hydro, nothing happens to the water and it's perfectly safe to swim in.<br>It was a sort of geeky joke,(reply>), Jock Mackay <br>Coal:no <br>Gass: no<br>Hydro: depends (i wouldn’t swim in steam powered cause that would probably cook me alive)<br>Nuclear:yea the radioactive material is never mixed with the water,(reply>), Hydro