QUALIDADE DA ÁGUA DO ARROIO OLARIAS E SEU IMPACTO NA REPRESA PROJETADA

In Ponta Grossa city, in the attempt of revitalization of some spaces, start the construction of dikes in brooks, like what projected for the Olarias area. The aim oh this work, was to appraise and to monitor the quality oh water this brook, since the first mark the open sky until the local of possible dike, behind the determination the ions Cl-, PO43-, K+, NO3-, NH4+ and yet dissolved oxygen (DO), biochemical oxygen demand (BOD), consumed oxygen (CO), total and fecal coliforms. The analysis results, show that the brook contamination to domestic drain there is found mainly in the first levy mark; showing to be derived from downtown and that happen a gradual recovery of the brook, what indicate the addiction oh drain over it´s curse is less intense, but, his water arrives into the dike area, in similar conditions there is some that is founded in many lakes, whose water are eutrophizades.