Blouberg RWS May2011.Docx May 2011 Ii RECONCILIATION STRATEGY for BLOUBERG RWS 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 BLOUBERG REGIONAL WATER SCHEME Incorporating the settlements of: Blouberg, Dantzig 1, Ditatsu, Ga-Mamohwibidu, Ga-Mamolele, Ga-Mmatemana, Ga-Motshemi, Ga-Rammutla 1, Ga-Rammutla 2, Ga- Tefu, Ga-Tshabalala, Matshira, Mophamamana, Pickum 1, Pickum 2, Schroelen, Schroelen 2, Sweale South and Tswatsane DRAFT VERSION 1.3 MAY 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 BLOUBERG RWS REPORT NO. {1} DEVELOPMENT OF A RECONCILIATION STRATEGY - FOR ALL TOWNS IN THE NORTHERN REGION FIRST ORDER RECONCILIATION STRATEGY, FOR THE BLOUBERG REGIONAL WATER 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 of on the settlements of the Blouberg Regional Water Scheme (RWS) which is located in the eastern portion of the Blouberg Local Municipality (BLM). This scheme falls within the Limpopo Water Management Area (WMA), in the quaternary catchment A72A. Domestic water is sourced from individual boreholes around each of the settlements. Water is not treated prior to distribution. Capricorn District Municipality is the Water Service Authority (WSA) throughout the study area. Agriculture is the main economic activity within the municipality. There is potential for mining of a number of minerals. Demographics, water requirements and availability The population of Blouberg RWS was estimated for 2007 at 22 500 people. This is projected to increase to between 33 758 for a low growth scenario and 37 129 given high growth, by 2030. The level of service within this scheme area is low. There is an even split between the population which is serviced above RDP and below the RDP level for water supply, both at 36%. The remaining 28% are serviced at the RDP level. This therefore becomes a necessary focus for improvement, and will require more water. Water provided to this area is currently sourced from the local aquifer at an estimated 1.000 Million m 3/a, although this is meets the needs of the scheme at present, this is insufficient to meet the future needs. It is estimated that a minimum supply of 1.182 Million m 3/a would be sufficient to meet the domestic requirements at a reasonable standard for the next five years (2015). With the expected growth in population and a continued planned improvement in services, this requirement increases to between 1.695 and 1.865 Million m 3/a by the year 2030. X:\G\Proj 1\Proj\390778_DWAF North\7REPORTS\Strategies\All Strategies_19Dec2011\Limpopo \Capricorn DM\Blouberg LM\Blouberg RWS_May2011.docx May 2011 ii RECONCILIATION STRATEGY FOR BLOUBERG RWS REPORT NO. {1} The groundwater quality in the area is generally of a high quality, Class 0 to Class 1. Currently there is no WTW servicing this area. • The domestic water supply needs to be augmented urgently. Water is potentially available from local groundwater, although the availability and sustainable use of this aquifer will need to be confirmed by an in-depth hydrogeological study. It is also suggested that surplus water from the Ga-Hlako settlement could be used in the Blouberg RWS. Strategy/Recommendations • Undertake a detailed investigation to determine actual water usages, sustainability of source and availability of future supply. Should there be sufficient groundwater resources, additional boreholes will need to be installed to augment the domestic supply to the scheme. • Additional water resources are said to be available from the Ga-Hlako settlement. This will need to be confirmed and used to augment the Blouberg RWS. • 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. • 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 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 • Implement comprehensive monitoring of the groundwater table and of groundwater use by all users (domestic and agricultural) in the area to ensure sustainable use. • Register existing water use and ensure that planned increases in water use are registered with the DWA X:\G\Proj 1\Proj\390778_DWAF North\7REPORTS\Strategies\All Strategies_19Dec2011\Limpopo \Capricorn DM\Blouberg LM\Blouberg RWS_May2011.docx May 2011 iii RECONCILIATION STRATEGY FOR BLOUBERG RWS REPORT NO. {1} Augmentation Options Confidence Level of Information Available for the Study Area The information used in this report is of a medium confidence level as existing documentation, project reports and municipality communications were consulted in gather of information. Some conflicting usage volumes were encountered in various reports. The population data is of a low confidence level Priority Rating for the Development of a Detailed Reconciliation Strategy: The Blouberg RWS is considered to have a Priority 3 (medium/high) rating for the development of a detailed reconciliation strategy as the cluster will deficit within the next 5 years. X:\G\Proj 1\Proj\390778_DWAF North\7REPORTS\Strategies\All Strategies_19Dec2011\Limpopo \Capricorn DM\Blouberg LM\Blouberg RWS_May2011.docx May 2011 iv RECONCILIATION STRATEGY FOR BLOUBERG RWS REPORT NO. {1} This strategy for the Blouberg RWS 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 Blouberg RWS Limpopo Capricorn Capricorn Under 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\Blouberg RWS_May2011.docx May 2011 v RECONCILIATION STRATEGY FOR BLOUBERG RWS REPORT NO. {1} TABLE OF CONTENTS 1. 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 ............................. 3 2 POPULATION AND DEMOGRAPHICS ...................................................................... 5 3 CURRENT WATER REQUIREMENTS ....................................................................... 5 3.1 Present water requirements and historical water use ........................................... 5 3.2 Level of Services ...................................................................................................... 5 4 WATER REQUIREMENTS PROJECTIONS UNTILL 2030 ......................................... 6 4.1 Future water requirements ...................................................................................... 6 5 WATER RESOURCES ............................................................................................... 6 5.1 Surface water ............................................................................................................ 6 5.1.1 Water Allocations ............................................................................................... 7 5.1.2 Other water users from the same source ......................................................... 7 5.1.3 Quality ................................................................................................................. 7 5.2 Groundwater ............................................................................................................. 7 5.2.1 Water allocation/s .............................................................................................. 7 5.2.2 Other water users from the same source ......................................................... 8 5.2.3 Quality ................................................................................................................