Water conservation

There are many forms of water conservancy. In general water conservation and preservation can be categorized in the following subjects:

• Water quantities and consumption
• Water usage
• Irrigation strategies (soil an water conservation)
• Process water alternatives
• Alternatives for cooling of water
• Water savings by means of water recycling (water reuse)
• Agricultural applications
• Water conservation with water softeners
• Cost cutting by use of rain water collection
  
  See here for an extra decision tree on water treatment methods also giving an overview on the contaminants, treatment products and their water related solutions, ideas and other water conservation tips.