Green Plumbing

Category - Caring for Our Water

Which of the following are classifications based upon water quality standards for water use?
  1. Essential services
  2. Commercial/industrial use
  3. Recreational use
  4. All of the above
Explanation
Answer: D - All of these are considered water use classes, based upon water quality. Classification schemas differ among jurisdictions. Potable water through the public water supply is generally the highest classification. Water uses for fire protection and hydroelectricity generation are among the lowest.
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