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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/5938

Title: Monetary valuation of salinity impacts and microbial pollution in the Olifants Water Management Area, South Africa
Authors: De Lange, WJ
Mahumani, BK
Steyn, M
Oelofse, SHH
Keywords: Olifants Water Management Area
Water management area
WMA
Loskop Dam Water User Association
Microbial pollution
Water pollution
Water pollution prevention
Issue Date: Apr-2012
Publisher: Water Research Commission
Citation: De Lange, WJ, Mahumani, BK, Steyn, M and Oelofse, SHH. 2012. Monetary valuation of salinity impacts and microbial pollution in the Olifants Water Management Area, South Africa. Water SA, vol. 38(2), pp 241-248
Series/Report no.: Workflow;8371
Abstract: This paper estimates costs associated with water pollution in the Olifants River Water Management Area (WMA) in South Africa, more specifically the Loskop Dam Water User Association. The authors focus on the impacts of salinisation on commercial irrigated agriculture, and of microbial pollution on the general population of the WMA, many of whom do not have access to municipal water and sanitation services, leaving them vulnerable to microbial pollution in the water resource. Costs associated with salinity are estimates based on the impacts of increased salinity on the value of marginal product of certain irrigated crops. Costs associated with microbial pollution are estimated based on the direct and indirect costs of human health impacts as a result of microbial pollution in the study area. These monetary value estimates gives an indication of the magnitude of the cost of water pollution to society in the WMA. It concludes that the once off cost required to provide some pollution prevention infrastructure will be less than the current annual cost burden of pollution on society in the WMA and that pollution prevention is therefore cost effective.
Description: Copyright: 2012 WRC.
URI: http://www.wrc.org.za/Knowledge%20Hub%20Documents/Water%20SA%20Journals/Manuscripts/2012/02%20April%202012/2691.pdf
http://hdl.handle.net/10204/5938
ISSN: 0378-4738
1816-7950
Appears in Collections:Water resources and human health
General science, engineering & technology

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