Consequences of Poor Management of Human Excreta and Domestic Wastewater on the Environment and Human Health in the Municipality of Dassa-Zoumè

Abstract

Dassa-Zoumè's population has no spillway of human excreta and domestic wastewater. Management of excreta and wastewater pose real problems on the environment and human health. The objective of this work is to study the consequences of poor management of human excreta and domestic wastewater on the environment and human health. Documentation, direct interview, interviews and observations of water samples, were the methodological steps for data collection. Analysis of linear regression tests helped in assessing the degree of connection between fecal and hygiene and sanitation hydro diseases. This was complemented by socioeconomic investigations and the application of the model PEIR (Pressure-State -Impact-Response) to better analyze the consequences of poor management of human excreta and domestic wastewater on the environment and health. The analysis shows that in the commune of Dassa-Zoumè, good numbers of fecal hydro diseases stem from poor management of excreta and wastewater. The lack of sanitation pollutes water wells and surface water. The physico-chemical and bacteriological analyzes of well water and river are the main sources of drinking water revealed the presence of high levels of fecal coliform bacteria that are in the order of 7777.5 CFU / ml for well water , 21946.15 CFU / ml for water tank 71,385.71 CFU / ml for river waters and E . Coli 2773 UFC/100ml for wells, tanks for UFC/100ml 6363.73 and 7751.52 UFC/100ml for rivers. These water sources are polluted and unfit for consumption. The use of this water causes many cases of fecal the most recurrent in common are diarrheal diseases, gastrointestinal infections hydro diseases. In 2011 the town had more than 133 cases of cholera and many cases of gastro-intestinal infections. He is urgent to improve access to safe drinking water to all the people of the town and to provide these populations works excreta disposal and wastewater to limit the consequences of defecation to outdoors on the environment and human health.