Investigation of the Effects of Wastewater Drainage Inadequacies at Kariakoo Market, Dar es Salaam City, Tanzania.

Wastewater drainage inadequacies at Kariakoo Market have not been adequately studied; this could have effects not only to the environment but also to people who use the facility. The aim of this study was to find out the effects of wastewater drainage inadequacies in terms of knowledge and perception of stakeholders on pollution and intervention measures. Data were collected from the stakeholders of the market: vendors, clients, market staff and employees at the Department of Health. Primary data were collected through questionnaires and field observations. Simple random sampling technique was used to select vendors and clients. Purposive sampling was used to select employees of Kariakoo Market: market staff and employees at the Department of Health. The data were analyzed descriptively using IBM Statistical Package for Social Sciences (SPSS). The findings revealed that stakeholders had high level of knowledge on pollution. Among 390 respondents ranked the level of knowledge of stakeholders, 53.9% said medium, 29.2% said high and 16.9% said low. The field results revealed that stakeholders perceived the effects of wastewater drainage inadequacies as a source of diseases and the decline in the rate of business (74%), source of diseases and environmental pollution (12%), source of environmental pollution only (2%), source of diseases only (3%) and source of the decline in the rate of business only (9%). In order to achieve effective and efficient use of wastewater drainage at Kariakoo Market, appropriate government policies and guidelines should be fully implemented. These may include putting in place maintenance and health training plans and redesigning the wastewater drainage system to meet the standard of the country and the best practices of the drainage. Keywords: A disease, Wastewater, Sewage, Water