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A method of evaluating an irrigation water use in terms of "efficient, sustainable and beneficial use of water in the public interest"

Dissertation (MEng)--University of Pretoria, 2008.

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Other Authors: Van der Stoep, Isobel
Format: Thesis
Published: University of Pretoria 2013
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access_status_str Open Access
author2 Van der Stoep, Isobel
author_browse Van der Stoep, Isobel
author_facet Van der Stoep, Isobel
collection Thesis
dc_rights_str_mv © University of Pretoria 2008 E1068/
description Dissertation (MEng)--University of Pretoria, 2008.
format Thesis
id oai:repository.up.ac.za:2263/27611
institution University of Pretoria (South Africa)
last_indexed 2026-06-10T12:37:18.025Z
license_str Other — see source repository
provenance_str_mv Harvested via OAI-PMH from UPSpace — University of Pretoria Institutional Repository
publishDate 2013
publishDateRange 2013
publishDateSort 2013
publisher University of Pretoria
publisherStr University of Pretoria
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source_str UPSpace — University of Pretoria Institutional Repository
spelling oai:repository.up.ac.za:2263/27611 A method of evaluating an irrigation water use in terms of "efficient, sustainable and beneficial use of water in the public interest" Van der Stoep, Isobel francois@dwaf.gov.za Van Vuuren, S.J. Van der Merwe, Francois Petrus Johannes Irrigation efficiency Water use South africa Nwa National water act (act 36 of 1998) Water in agriculture UCTD Dissertation (MEng)--University of Pretoria, 2008. This dissertation endeavours to provide a practicable method to evaluate any existing or proposed irrigation water use against the purpose of the National Water Act (Act 36 of 1998) (NWA) as described in section 2. It firstly focuses on section 2(d) of the NWA, which requires the promotion of efficient, sustainable and beneficial use of water in the public interest. Although the evaluation of the degree to which this purpose is being achieved by a specific irrigation water use is the topic of this dissertation, it is further argued that by viewing this aspect comprehensively enough, it actually covers five other requirements of section 2, concerning irrigation water use. The efficiency and effectiveness of the irrigation operation is evaluated. It includes irrigation technology aspects, the efficiency of the relevant irrigation systems and water supply infrastructure, irrigation management skills and the proper application of best management practices by the irrigator that determines the overall efficiency and effectiveness of the irrigation operation. Aspects that determine sustainability of the particular water use that are included in the evaluation, entail among others the protection of the water resource (surface and groundwater) and other natural resources, the riparian habitats and all relevant aquatic ecosystems. Other aspects concerning sustainability are the prevention and control of the chemical pollution of the water and soils resources through the irrigation process, as well as salination and water-logging of land through wrong agricultural and irrigation practices. A further aspect is investigated here for a particular water use namely whether it really represents beneficial use in the public interest, by analysing the socio-economical and political considerations unique to every particular situation. This also requires the consideration of intangible benefits and costs, which are by nature subjective and for which the specific requirements will differ from the one situation to the other. In order to provide a procedure that is transparent and consistent enough to withstand any challenge from users or proposed users in this regard, it has been decided to utilise amongst others the BBBEE scorecard, which has been developed and is presently being implemented by government, also in terms of section 27(1)(b) of the NWA. Civil Engineering unrestricted 2013-09-07T11:49:52Z 2008-09-05 2013-09-07T11:49:52Z 2008-04-11 2008-09-05 2008-08-28 Dissertation a 2008 E1068/gm http://hdl.handle.net/2263/27611 http://upetd.up.ac.za/thesis/available/etd-08282008-110336/ © University of Pretoria 2008 E1068/ application/pdf University of Pretoria
spellingShingle Irrigation efficiency
Water use
South africa
Nwa
National water act (act 36 of 1998)
Water in agriculture
UCTD
A method of evaluating an irrigation water use in terms of "efficient, sustainable and beneficial use of water in the public interest"
title A method of evaluating an irrigation water use in terms of "efficient, sustainable and beneficial use of water in the public interest"
title_full A method of evaluating an irrigation water use in terms of "efficient, sustainable and beneficial use of water in the public interest"
title_fullStr A method of evaluating an irrigation water use in terms of "efficient, sustainable and beneficial use of water in the public interest"
title_full_unstemmed A method of evaluating an irrigation water use in terms of "efficient, sustainable and beneficial use of water in the public interest"
title_short A method of evaluating an irrigation water use in terms of "efficient, sustainable and beneficial use of water in the public interest"
title_sort method of evaluating an irrigation water use in terms of efficient sustainable and beneficial use of water in the public interest
topic Irrigation efficiency
Water use
South africa
Nwa
National water act (act 36 of 1998)
Water in agriculture
UCTD
url http://hdl.handle.net/2263/27611
http://upetd.up.ac.za/thesis/available/etd-08282008-110336/