fluoridation sea or brackish water saltwater treatment a process called “desalinization” sea or brackish water http://water.usgs.gov/edu/drinkseawater.html water.usgs.gov Reverse Osmosis desalination Seawater Still http://water.usgs.gov/edu/drinkseawater.html desalination desalination like this one like this one desalination http://water.usgs.gov/edu/drinkseawater.html generating potable water from saline water reverse osmosis https://water.usgs.gov/edu/drinkseawater.html USGS U.S. Geological Survey Distillation removes most impurities U.S. Geological Survey http://water.usgs.gov/edu/drinkseawater.html "Thirsty? How about some seawater?" thermal process salty water desalination method thermal process Reverse Osmosis thermal process thermal process thermal process fluoridation thermal process 70% of worldwide capacity Reverse Osmosis Saline Water: Desalination http://water.usgs.gov/edu/drinkseawater.html thermal process saltwater desalination remove salt from seawater thermal process https://water.usgs.gov/edu/drinkseawater.html Reverse Osmosis reverse osmosis salty water desalination method desalinate water Desalination fluoridation http://water.usgs.gov/edu/drinkseawater.html USGS distillation salts thermal process desalination U.S. Geological Survey fluoridation desalination desalination https://water.usgs.gov/edu/drinkseawater.html Conventional desalinization