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The impacts of on-site septic tank wastewater disposal in Kampala city

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conference contribution
posted on 2018-02-12, 15:09 authored by Sam Kagwisagye, Laurence Gill
The use of septic tanks as an appropriate decentralized wastewater treatment solution to an inner city area of Kampala has been investigated. Several large septic tanks servicing hostels were monitored in addition to the water quality of four springs used as water source for the local population: two springs sited downstream of the septic tank percolation areas compared to two adjacent springs located within the surrounding unplanned settlements with several pit latrines. Although the septic tanks did not discharge into a constructed percolation area and had not been properly maintained, it has been shown that the unsaturated sandy subsoil acted to attenuate significantly the pollutants and protect the downstream springs. In contrast the springs situated within the unplanned development showed higher levels of contamination which was attributed to poor spring construction in combination with adjacent sources of faecal pollution from pit latrines and surface runoff.

History

School

  • Architecture, Building and Civil Engineering

Research Unit

  • Water, Engineering and Development Centre (WEDC)

Published in

WEDC Conference

Citation

KAGWISAGYE, S. and GILL, L., 2011. The impacts of on-site septic tank wastewater disposal in Kampala city. IN: Shaw, R.J. (ed). The future of water, sanitation and hygiene in low-income countries - Innovation, adaptation and engagement in a changing world: Proceedings of the 35th WEDC International Conference, Loughborough, UK, 6-8 July 2011, 8pp.

Publisher

© WEDC, Loughborough University

Version

  • VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2011

Notes

This is a conference paper.

Other identifier

WEDC_ID:11934

Language

  • en

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    WEDC 35th International Conference

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