Irrigation: Sewage Effluent Use

Authored by: B.A. Stewart

Encyclopedia of Environmental Management

Print publication date:  December  2012
Online publication date:  December  2012

Print ISBN: 9781439829271
eBook ISBN: 9781351235860
Adobe ISBN:

10.1081/E-EEM-120010142

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Abstract

Soils store, decompose, or immobilize nitrates, phosphorus, pesticides, and other substances that can become pollutants in air or water. Consequently, soil has, for centuries, been used for the application of sewage effluents. It should not, however, be assumed that irrigation is always the best solution for wastewater disposal. While disposal is the primary objective in many cases, the need of water for irrigation is becoming more often the driver for using sewage effluent on land. In general, however, sustainable and environmentally sound systems can be developed in most situations provided proper management practices are followed.

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