Avaliação de risco da qualidade da água de abastecimento de um hospital público regional de urgência e emergência.

Abstract

This work aims contribute for surveillance water quality’s measures for the supply system of Dom Luiz Gonzaga Fernandes Hospital, located in the Campina Grande city, Paraíba state, Brazil, through of the risk analysis methodology. Fourteen sampling points were chosen (P0, P1, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12 e P13), have been analyzed the indicators free residual chlorine (FRC), combined residual chlorine (CRC), turbidity, pH, total coliform and heterotrophic bacteria on the period of March to June 2013. Therefore was applied the method of Failure Mode and Effect Analysis (FMEA) defining the risks of the supply system and categorize them in terms of their importance. Subsequently, it was employed the method of arithmetic mean for estimate the total risk of each sampling point , based on the importance of the risks listed and the values of mean of the indicators analyzed. A map was created to better represent the distribution of risks at the hospital water supply system. All sampling points were classified as high risk. The most influential hazards in the categorization of risk were the low concentration of CRL, high concentration of heterotrophic bacteria and the presence of total coliforms.