The use of treated wastewater in agriculture is widely used in Jordan due to scare water resources. Therefore evaluation of the effluent from two wastewater treatment plants (site 1, Karak wastewater treatment plant, and site 2, Mutah university treatment plant) was made on the basis of combination of electrical conductivity (EC), sodium adsorption ratio (SAR) and soluble sodium percent (SSP), boron concentration and heavy metal content. It was found that the quality of the treated wastewater of both sites meets the criteria and standard governing the use of effluents in irrigation and agriculture. However, a slightly high boron concentration in some samples was detected at site 2. The heavy metal content at site 1 was higher than site 2, which was attributed to anthropogenic activities from educational laboratories.
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Anwar G. Jiries, 2001. Chemical Evaluation of Treated Sewage Effluents in Karak Province and its Suitability for Irrigation Purposes. Pakistan Journal of Biological Sciences, 4: 1400-1402.
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