Water Resource Development Projects and Feasibility Studies
Explore the comprehensive overview of water resource development projects, including project planning, approvals, interventions, and feasibility studies. The projects cover various phases such as design, documentation, construction, and implementation, focusing on water conservation, system operation, infrastructure developments, and groundwater schemes. Feasibility study modules include water resource assessment, augmentation evaluation, environmental screening, and economic analysis.
- Water Resources
- Development Projects
- Feasibility Studies
- Groundwater Schemes
- Environmental Screening
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Presentation Transcript
Approval and Gazetting ito Section 109 and 110 of NWA
Typical Interventions Management interventions: Water Conservation and Water Demand Management. Optimal system operation. Adjusting assurance of supply. Reallocation. Rainfall harvesting Infrastructure developments: Water re-use Augmentation Schemes Surface Groundwater 3
DWS WATER RESOURCE DEVELOPMENT PROJECTS FUNNEL Design/ Documentatio n Phase Construction/ Implementati on Phase Pre-feasibility Phase Decision Support Phase Feasibility Phase Reconnaissance Phase LEGEND 200+ Surface water Integrated Vaal River System Desalination 511 465 356 650 151 100 Orange-Vaal Transfer Thugela-Vaal (Mielietuin) Thugela-Vaal (Jana) 393 Zambezi transfer Mzimvubu-Vaal transfer Use of acid mine drainage LHWP Phase II Groundwater 216 Orange 556 Boskraai Dam River System Mzimvubu- Kraai transfer Raising of Gariep Dam VD Kloof Dam Low level Storage Vioolsdrift Dam Re-use of water 100 90 Crocodile West River System 126 Vaal-Crocodile Transfer 40 Zambezi transfer 14 Re-use of effluent from Vaal Mokolo Crocodile Augment Project Ph2 (Crocodile) Mokolo Crocodile Augment. Project Ph1 (Mokolo) Acid mine drainage 20 0 33 Olifants River System 190 55 5 80 Use of acid mine drainage Zambezi transfer Olifants Dam Malmani Dolomite Aquifer Vaal Olifants Transfer ORWRDP: De Hoop Dam ORWRDP Bulk Conveyance Importation of water 60 46 220 218 40 Raising of Hazelmere Dam KZN Coastal Water Supply Systems Mooi-Mgeni Transfer Phase II (Spring Grove) Isithundu Dam 37 uMkhomazi-Mngeni transfer Ph1 (Smithfield) Re-use 100+ uMkhomazi-Mngeni transfer Ph2 (Impendle Dam) Lower Thukela Scheme Desalination of seawater Desalination 50+ 20 16 50+ 32 Nooitgedacht Low Level Storage Dam Re-use to industrial standards Desalination Algoa Water Supply System Mzimvubu-Vaal transfer Guernakop Dam/ Raising of Kouga Dam Capacity (million m3/a) 123 8 Groundwater schemes 23 83 20 Phase completed 9 14 Re-use Vo lvlei Augment. Phase 1 27 110 TMG Aquifer West Coast Aquifer Cape Flats Aquifer Western Cape Water Supply System Upper Molenaars diversion Vo lvlei Augment. Phase 2&3 46 160 Mitchell s Pass diversion Desalination 241 Phase in progress 14 7 Ntabalenga Dam Ludke Dam 60 Nwamitwa Dam 23 Crocodile East Dam Lusikisiki: Zalu Dam 40 15 Raising of Tzaneen Dam Xhariep Pipeline Re-use (Mhlatuze) Thukela-Mhlatuze Transfer Other areas (incl. Amatole, Mhlatuze & Outeniqua) Ncwabeni Off- channel Storage Dam 16 Clanwilliam Dam Raising Decision to progress to next 23 Clanwilliam Conveyance Infrastructure Koonap River : Foxwood Dam phase Lalini Dam Nwamitwa Aquifer Oct 2017
Some Feasibility study modules Water Resources Assessment Assessment of Augmentation from Groundwater Intermediate Reserve Determination Domestic Water Requirements Irrigation Potential Assessment Water Distribution Infrastructure Materials and Geotechnical Investigations Dam Feasibility Design Regional Economics Environmental Screening Record of Implementation Decisions
ENVIRONMENTAL IMPACT ASSESSMENT Process Completed
