Comprehensive water quality assessment of surface sources in the city of Latacunga and the canton Pedro Vicente Maldonado in Ecuador

A study of the quality drinking water sources - surface waters river systems city Latacunga and canton Pedro Vicente Maldonado, Ecuador, was carried out during 2018 2019. The general sanitary index (WQI) calculated according to Russian methods, National Sanitation Foundation (NSF-WQI) Ecuadorian regulation. Results from parameterizing quality, obtained by WQI NSF-WQI methods combined into an overall scheme, were used generate rating scale for assessing hydro-ecological status aquatic ecosystems. When carrying a qualitative quantitative analysis reservoirs, excess threshold limit values such indicators as biological oxygen demand iron determined. calculations show that method lead similar results when both reservoir Maldonado. According method, hydrological state characterized in range “Crisis” “Risk”, while assessed “Risk”. “Risk” method. Furthermore, none bodies under is environmental “catastrophe” not recorded.