A Proposed Sustainable Sanitation System for the Zwelitsha section of Langrug Informal Settlement in Stellenbosch Municipality South Africa

Type Thesis or Dissertation - Master of Science in Environmental Engineering
Title A Proposed Sustainable Sanitation System for the Zwelitsha section of Langrug Informal Settlement in Stellenbosch Municipality South Africa
Author(s)
Publication (Day/Month/Year) 2013
URL http://www.wpi.edu/Pubs/ETD/Available/etd-053113-134022/unrestricted/emuniz.pdf
Abstract
Globally, inadequate access to safe water and sanitation services, coupled with poor
hygiene practices, kills and sickens thousands of children every day and leads to impoverishment
and diminished opportunities for thousands more. The United Nations (UN), has recognized
water, sanitation and hygiene (WaSH) as major issues that greatly affect the global poor. Under
its Millennium Development Goals, the UN has set targets for addressing these issues. Namely,
the UN aims to reduce by 50% the proportion of the global population without sustainable access
to safe drinking water and basic sanitation by 2015. In 2010, the target of halving the proportion
of people without access to improved sources of water was met five years ahead of schedule.
Despite progress, 2.5 billion people in developing countries still lack access to improved
sanitation facilities. As a result, the vision of WaSH is incomplete. Often, lack of access to basic
sanitation is a daily reality for persons residing in informal settlements. The focus of this thesis
was an area called Zwelitsha in the informal settlement of Langrug. Located in Stellenbosch
Municipality near Cape Town, South Africa, Zwelitsha currently has few functional toilets for its
604 residents. As a result, persons resort to open defecation, contributing to environmental
contamination and possible disease transmission throughout the settlement. Thus, sanitation is a
significant need for Zwelitsha. Advancing the work of the Cape Town Project Centre (CTPC) – a
center location within the Interdisciplinary and Global Studies Division of Worcester
Polytechnic Institute – this thesis aimed to address the shortcomings in the provision of
sanitation services within Zwelitsha. Through research, urine divergent dehydration and
composting toilet systems were found to be the most technically feasible and applicable for
meeting the sanitation needs of Zwelitsha. Favorable characteristics of these systems include
independence from a connection to water pipes, sewerage, and energy sources and the generation
of usable agricultural products. Both household level and community level options were
proposed in this thesis. Proposed systems can be integrated into a large-scale WaSH facility with
additional services such as water taps, sinks, toilets, showers, laundry stations, recreational areas,
gardens, and salons for local business.

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