Taaiboschgroet GWS April2011.Docx April 2011 I RECONCILIATION STRATEGY for TAAIBOSCHGROET GWS REPORT NO
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CONTRACT WP 9711 DEVELOPMENT OF A RECONCILIATION STRATEGY - FOR ALL TOWNS IN THE NORTHERN REGION CAPRICORN DISTRICT MUNICIPALITY BLOUBERG LOCAL MUNICIPALITY: FIRST ORDER RECONCILIATION STRATEGY FOR THE TAAIBOSCHGROET GROUNDWATER SCHEME Including the settlements of: Simpson, Grootpan, Sais, Slaaphoek, Donkerhoek, Voorhout, Royston, Juniorsloop, Berseba, Wegdraai, Ga-Raphokola, Gideon, Thlonasedimong, Eldorado, Fonteine Du Champ, Esaurinca, Louisenthaal, The Grange, Longden, Taaiboschgroet, De Vrede, Kromhoek, Pax, Johannesburg, Lovely, Burgerregt, Edwinsdale, The Glen and Glenferness DRAFT VERSION 1.2 APRIL 2011 Prepared by Prepared for: SRK Consulting Department of Water Affairs PO Box 55291 Directorate: National Water Resources Planning NORTHLANDS Private Bag X313 2116 PRETORIA, Tel: +27 (0) 11 441 1111 0001 E-mail: [email protected] RECONCILIATION STRATEGY FOR TAAIBOSCHGROET GWS REPORT NO. {1} DEVELOPMENT OF A RECONCILIATION STRATEGY - FOR ALL TOWNS IN THE NORTHERN REGION FIRST ORDER RECONCILIATION STRATEGY - FOR THE TAAIBOSCHGROET GROUNDWATER SCHEME IN BLOUBERG LOCAL MUNICIPALITY EXECUTIVE SUMMARY The strategy objectives and methodology are presented in a separate report titled “Methodology followed for the Development of Reconciliation Strategies for the All Town Study Northern Region ” that should be read in conjunction with this document. Location and background information This document focuses on the Taaiboschgroet Groundwater Scheme (GWS) which is situated in the north western region in the Blouberg Local Municipality. This scheme includes the settlements of Simpson, Grootpan, Sais, Slaaphoek, Donkerhoek, Voorhout, Royston, Juniorsloop, Berseba, Wegdraai, Ga-Raphokola, Gideon, Thlonasedimong, Eldorado, Fonteine Du Champ, Esaurinca, Louisenthaal, The Grange, Longden, Taaiboschgroet, De Vrede, Kromhoek, Pax, Johannesburg, Lovely, Burgerregt, Edwinsdale, The Glen and Glenferness . All of the settlements within the scheme are rural and are within the municipal area of Wards 13, 16 and 17. Water for this scheme is from the sourced from groundwater and from two mountain weirs. This scheme falls within the Limpopo Water Management Area (WMA), in the quaternary catchments A63B and A63D of the Mogalakwena sub catchment. The majority of the population (48.6%) is supplied with water services that are below RDP level; the remainder of the population is above (33.6%) or at (17.8%) the RDP level of service. Confidence level of information available for the study area The confidence level for information used for this strategy is medium. This is due to the conflicting population data sets having medium level of confidence as well as the confidence in the water supply volume data. Priority rating for the development of a detailed reconciliation strategy The Taaiboschgroet GWS considered have a Priority 4 (high) rating for the development of a detailed reconciliation strategy, as the cluster is currently deficient of water. X:\G\Proj 1\Proj\390778_DWAF North\7REPORTS\Strategies\All Strategies_19Dec2011\Limpopo\Capricorn DM\Blouberg LM\Taaiboschgroet GWS_April2011.docx April 2011 i RECONCILIATION STRATEGY FOR TAAIBOSCHGROET GWS REPORT NO. {1} X:\G\Proj 1\Proj\390778_DWAF North\7REPORTS\Strategies\All Strategies_19Dec2011\Limpopo\Capricorn DM\Blouberg LM\Taaiboschgroet GWS_April2011.docx April 2011 ii RECONCILIATION STRATEGY FOR TAAIBOSCHGROET GWS REPORT NO. {1} Conclusions • The Taaiboschgroet GWS has a current water demand estimated at 1.799 Million m 3/a, which is projected to increase to 2.280 Million m 3/a by the year 2030. • Water is currently sourced locally from aquifer along the Taaiboschgroet Fault as well as from two mountain weirs at the base of the Blouberg Mountain. The current water supply from these two resources is estimated at 1.699 Million m 3/a, this is insufficient for the needs of the scheme settlements. • Agriculture is the only other significant user of groundwater, with a registered use of 3.590 Million m 3/a. Agriculture is the main economic activity within the municipality. • The water quality in some areas is poor, but is not treated prior to distribution. The potential exists for mixing of good and poor water qualities to improve the overall distribution quality. • There are a large number of borehole pumps which are not operational, indicating the need for maintenance within the scheme. • Although most settlements are equipped with storage reservoirs or tanks, the current storage capacity is insufficient in some settlement. • 48.6% of the population utilise pit latrines which are below RDP standard. There is no WWTW servicing the scheme. • The current water supply can be augmented from groundwater through the maintenance or re-allocation of 20 (0.620 Million m 3/a) installed boreholes or the installation of new boreholes. Strategy/Recommendations • Undertake a detailed investigation to determine actual water usages, sustainability of source and availability of future supply. • Develop and implement a Water Conservation and Demand Management plan with clear performance targets. This must include limiting the wasteful use of water in order to control water consumption and utilise the available resources to their full potential and also limit wasteful water use. • Water use should be accurately monitored through a network of water meters which should be recorded on a regular basis. • As a critical step when introducing measures to encourage water conservation, it is important to have an accurate set of baseline data against which any progress can be X:\G\Proj 1\Proj\390778_DWAF North\7REPORTS\Strategies\All Strategies_19Dec2011\Limpopo\Capricorn DM\Blouberg LM\Taaiboschgroet GWS_April2011.docx April 2011 iii RECONCILIATION STRATEGY FOR TAAIBOSCHGROET GWS REPORT NO. {1} measured. The first priority must therefore be to ensure that there is an adequate network of water meters and accurate readings are recorded on a regular basis. X:\G\Proj 1\Proj\390778_DWAF North\7REPORTS\Strategies\All Strategies_19Dec2011\Limpopo\Capricorn DM\Blouberg LM\Taaiboschgroet GWS_April2011.docx April 2011 iv RECONCILIATION STRATEGY FOR TAAIBOSCHGROET GWS REPORT NO. {1} 2.500 2.000 /a 3 1.500 1.000 Million m Million 0.500 0.000 2007 2009 2011 2013 2015 2017 2019 2021 2023 2025 2027 2029 Years Groundwater Supply Surface Water, Weir (Blouberg) Augmentation Measures (Groundwater) Estimated Future Requirements (Low growth scenario) Estimated Future Requirements (High growth scenario) WC/WDM Measures (Low growth scenario) WC/WDM Measures (High growth scenario) Water Requirements with Augmentation Options and Implementation of WC/WDM Measures X:\G\Proj 1\Proj\390778_DWAF North\7REPORTS\Strategies\All Strategies_19Dec2011\Limpopo\Capricorn DM\Blouberg LM\Taaiboschgroet GWS_April2011.docx April 2011 v RECONCILIATION STRATEGY FOR TAAIBOSCHGROET GWS REPORT NO. {1} Below is the strategy for the Taaiboschgroet Groundwater Scheme. It has been accepted and signed by Capricorn District Municipality, Blouberg Local Municipality, DWA Limpopo Regional Office and the DWA Head Office (D: NWRP) as follows: Town WMA DM WSA WSDP Status Taaiboschgroet Limpopo Capricorn Capricorn Under GWS District District Capricorn Municipality Municipality District Municipality Names:…………………………………… Names:…………………………………… Signature:………………………………… Signature:………………………………… Date:……………………………………… Date:……………………………………… Position:…………………......... Position:…………………………… Blouberg Local Municipality Capricorn District Municipality Names:…………………………………… Names:…………………………………… Signature:………………………………… Signature:………………………………… Date:……………………………………… Date:……………………………………… Position:………………………………… Position:……………………………… DWA Regional Office DWA D: National Water Resource Planning X:\G\Proj 1\Proj\390778_DWAF North\7REPORTS\Strategies\All Strategies_19Dec2011\Limpopo\Capricorn DM\Blouberg LM\Taaiboschgroet GWS_April2011.docx April 2011 vi RECONCILIATION STRATEGY FOR TAAIBOSCHGROET GWS REPORT NO. {1} TABLE OF CONTENTS EXECUTIVE SUMMARY ........................................................................................................ i 1 INTRODUCTION ......................................................................................................... 1 1.1 Study area ................................................................................................................. 1 1.2 Regional Setting ....................................................................................................... 1 1.3 Economic Drivers ..................................................................................................... 2 1.4 Confidence Level of Information Available for the Study Area ............................. 4 2 POPULATION AND DEMOGRAPHICS ...................................................................... 4 3 CURRENT WATER REQUIREMENTS ....................................................................... 4 3.1 Present Water Requirements and historical water use .......................................... 4 3.2 Level of services ...................................................................................................... 5 4 WATER REQUIREMENTS PROJECTIONS UNTILL 2030 ......................................... 5 4.1 Future water requirements ...................................................................................... 5 5 WATER RESOURCES ............................................................................................... 6 5.1 Surface water resources .......................................................................................... 6 5.1.1