water is the most essential component for sustaining lives of humans and other living creatures. supplying potable water with adequate residual pressure is a fundamental responsibility of city administration, which they do during normal conditions. but sometimes, abnormal conditions are formed resulting pressure deficient conditions during the daily operations of water distribution networks. th...

background: water, sanitation and hygiene have a very important role in public health. poor sanitation is the cause of water contamination, which causes many types of diseases. the aim of this paper was to present the attributable death and disability adjusted life year (dalys) of untreated water and insanitary environments from 1990 to 2010 in iran.   methods: in the global burden of disease 2...

the main purpose of this research was to analyze agricultural water management problems (awmp) in three contexts of: water source, water conveyance and at the farm level, in zarrindasht county, fars province. the research was carried out based on a survey method with a questionnaire compiled for collection of data. questionnaire's reliability was confirmed through a computation of cronbach...

Disinfection by-products were determined in 15 water treatment plants in Beijing City. The effects of different water sources (surface water source, mixture water source and ground water source), seasonal variation and spatial variation were examined. Trihalomethanes and haloacetic acids were the major disinfection by-products found in all treated water samples, which accounted for 42.6% and 38...

BACKGROUND Access to safe drinking water is essential for health. Monitoring access to drinking water focuses on water supply type at the source, but there is limited evidence on whether quality differences at the source persist in water stored in the household. OBJECTIVES We assessed the extent of fecal contamination at the source and in household stored water (HSW) and explored the relation...

background: water, sanitation and hygiene have a very important role in public health. poor sanitation is the cause of water contamination, which causes many types of diseases. the aim of this paper was to present the attributable death and disability adjusted life year (dalys) of untreated water and insanitary environments from 1990 to 2010 in iran.   methods: in the global burden of disease 2...