Study on Microbiological Quality of Rural and Urban Drinking Water in Distribution Systems of Ijroud, Zanjan in 2013-2015

Abstract

According to World Health Organization (WHO) (2008) mortality and waterborne disease have been brought more than 5 million people. In general development the risk of microbial contamination is mostly due to human activities. In other word, it is clear that environmental sanitation is causing water pollution [3, 4].