What other kinds of water exist?
There are a variety of other kinds of water in existence. They include:

· Groundwater: Water contained in underground aquifers that reaches the surface through springs, deep wells, or artesian wells.
· Surface Water: Water collected as rain and snow runoff, and groundwater seepage, collected in reservoirs, lakes and rivers.
· Spring Water: Groundwater that rises to the surface through a natural opening.
· Artesian Well: Groundwater that is reached by drilling and then flows to the surface naturally.
· Mineral Water: Bottled water containing not less than 250 parts per million total dissolved solids may be labeled as mineral water. Mineral water is distinguished from other types of bottled water by its constant level and relative proportions of mineral and trace elements at the point of emergence form the source. No minerals can be added to this product.
· Sparkling Bottled Water: Water that after treatment and possible replacement with carbon dioxide, contains the same amount of carbon dioxide that it had at emergence from the source.
· Deep Well Water: Groundwater that is reached by drilling, and then pumped to the surface.
· Hard Water: Water high in calcium and magnesium.
· Soft Water: Water low in calcium and magnesium. Soft water can occur naturally or be achieved through ion exchange, wherein calcium and magnesium ions are exchanged for sodium ions.
· Reverse Osmosis Treated Water: Water that has gone through a reverse osmosis water purification system. Within this system, the mineral content of the water is reduced by forcing the water through a semi-permeable membrane.
· Carbon Filtration Treated Water: Water that has gone through a carbon filtration water treatment method. With this method, organics and chlorine are removed from the water via the carbon’s natural ability to absorb such chemicals.
· De-ionized Treated Water: Water that has gone through a water de-ionizer to purify it. This water purification method relies on the fact that inorganic impurities possess ionic charges and can be removed from water utilizing that charge.


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