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Reclaimed Water

Waste Water Treatment

  1. Absar A. Kazmi

Published Online: 15 APR 2005

DOI: 10.1002/047147844X.ww171

Water Encyclopedia

Water Encyclopedia

How to Cite

Kazmi, A. A. 2005. Reclaimed Water. Water Encyclopedia. 1:805–808.

Author Information

  1. Nishihara Environment Technology, Tokyo, Japan

Publication History

  1. Published Online: 15 APR 2005


Reclaimed water is water from a wastewater treatment plant (WWTP) that has been treated and can be used for nonpotable uses such as landscape irrigation, cooling towers, industrial processes, toilet flushing, and fire protection. The inclusion of planned water reclamation, recycling, and reuse in water resource systems reflects the increasing scarcity of water resources to meet societal demands, technological advancements, increased public acceptance, and improved understanding of public health risks.

Benefits of Using Reclaimed Water

  • It saves millions of gallons of drinking water each day.

  • Its use for nonpotable (nondrinking) purposes is less expensive for the vast majority of of customers.

  • It delays the need for developing costly new water sources and building very expensive treatment plants.

  • There is no odor or staining from its use.

  • It allows a city to comply with permits relating to its water supply and wastewater treatment.

  • It minimizes negative effects around underground water sources, preserving the quality of life for plants and wildlife.

  • It reduces fertilizing costs because reclaimed water is rich in nitrogen and phosphorus.


  • recycling;
  • reuse;
  • water;
  • wastewater;
  • water reclamation