Different Types of Water

By: Shannon Spirit

Brackish Water

  • has more salinity than fresh water, but not as much as seawater
  • may result from mixing fresh water and seawater
  • word comes from the Middle Dutch root "brak," meaning "salten" or "salty"
  • certain human activities can produce brackish water
  • contains between 0.5 and 30 grams of salt per liter

Fresh Water

  • Water containing less than 1000 milligrams per liter of dissolved solids, most often salt.
  • 3% of the world's water is fresh water
  • permanent ice is the largest fresh water storage on earth
  • fresh water can be found underground as groundwater

Salt Water

  • On average, seawater in the world's oceans has a salinity of about 3.5%
  • denser than fresh water
  • makes up 97% of all the earth's water
  • much of the world's magnesium comes from salt water