In a severe drought you may be restricted from using your cooling misters. In a moderate drought, you should consider following these water saving tips developed by the Southern Nevada Water Authority:

• Consider opportunities to conduct your activities indoors where air conditioning is already in use.
  
  
• For commercial applications, divide the misters into groups that can be independently controlled. No sense operating many nozzles where just a few can do the job.
  
  
• Turn off the misters when nobody is present. You may want to consider a timer or sensor device.
  
  
• Use trees and other shade structures to keep outdoor areas naturally cooler.
  
  
• Turn off the misters when winds are whisking the mist and cooled air away before it can reach you.
  
  
• Don't use misters when outdoor temperatures are moderate.
  
  
• Don't use misters during periods of high humidity — they don't work well in those conditions.
  
  
• Don't use mist systems for aesthetic purposes, such as creating fog-like special effects in outdoor landscapes.

Source:

“Misting Systems” Southern Nevada Water Authority. Accessed May 23, 2003. Permission granted.