Análisis de la calidad físico – química y microbiológica del agua potable en la zona urbana del cantón Paute

Abstract

The purpose of the work was to evaluate the quality of drinking water in the urban area of the Paute canton, for which a physical - chemical and microbiological analysis was carried out in the Laboratory of the Cachiyacu Plant. The samples that were analyzed were water leaving the treatment plant and water from the home networks, in the period between January 26 to March 13, 2018. The total number of samples analyzed was 110, among them 94 corresponding to the distribution network taken randomly in the 14 neighborhoods, 8 sampling samples and 8 from the potabilization plant. The sampling frequency was once a week for plant and catchment and on Monday and Tuesday for the distribution network. The physical - chemical parameters were: color, turbidity, pH, conductivity, total alkalinity, total hardness, sulphates, free chlorine, nitrites, nitrates and iron while the microbiological ones were fecal coliforms by membrane filtration for each of the samples. Based on these parameters with the following standards INEN 1108-2014, INEN 1108-2006, Decree No. 32327-S Costa Rica (2005) and AYSA (Argentine Water and Sanitation) The results obtained showed that most of the physical-chemical parameters satisfactorily comply with the established norms. However, the parameters such as residual chlorine, temperature and pH are outside the established ranges, while the microbiological parameters indicate the absence of contamination complying with the norm.