The intense urbanization, added to the populational growth, stimulates the development of activities that provoke environment impacts. Among the activities with great potential for pollution generation and contamination, it is observerd those related to the environmental sanitation”. This study breaches the caracterization of the “Physical-chemical” parameters of water quality in the “Aura” river. According to the CONAMA 357/2005. The field of study comprehends the area of the “Aura” upstream river. The work metodology consists in the realization of field samples, in target places distributed along it’s course, for the determination of the “physical-chemical” variables. The results show a direct relation with the populational growth and the dicharge of poluents throughout the working period of the landfill, observed important alterations in color, oxigen dissolution and concentration of amoniacal nitrogen, largerly above the stipulated by the actual resolution (CONAMA 357/2005 água classe II), suggesting great organic matter consumption , the application of DOE-WQI allowed the observation of the most impacted regions with discharge and the slurry’s percolation.
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