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Mvoti Status Quo Report FINAL DRAFT.Pdf CLASSIFICATION OF WATER RESOURCES AND DETERMINATION OF THE COMPREHENSIVE RESERVE AND RESOURCE QUALITY OBJECTIVES IN THE MVOTI TO UMZIMKULU WATER MANAGEMENT AREA STATUS QUO ASSESSMENT, INTEGRATED UNIT OF ANALYSIS DELINEATION AND BIOPHYSICAL NODE IDENTIFICATION Report Number: RDM/WMA11/00/CON/CLA/0113 JULY 2013 Copyright reserved No part of this publication may be reproduced in any manner Without full acknowledgement of the source REFERENCE This report is to be referred to in bibliographies as: Department of Water Affairs, South Africa, July 2013. Classification of Water Resources and Determination of the Comprehensive Reserve and Resource Quality Objectives in the Mvoti to Umzimkulu Water Management Area: Status quo assessment, IUA delineation and biophysical node identification. Prepared by: Rivers for Africa eFlows Consulting (Pty) Ltd. DOCUMENT INDEX Index DWA Report Number Report Title Number Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 1 RDM/WMA11/00/CON/CLA/0112 Objectives in the Mvoti to Umzimkulu Water Management Area: Inception report Classification of Water Resources and Determination of the Comprehensive Reserve and Resource Quality Report Number: 2 Objectives in the Mvoti to Umzimkulu Water Management RDM/WMA11/00/CON/CLA/0113 Area: Status quo assessment, IUA and biophysical node delineation and identification. Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 3 RDM/WMA11/00/CON/CLA/0213 Objectives in the Mvoti to Umzimkulu Water Management Area: RU and EWR sites Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 4 RDM/WMA11/00/CON/CLA/0313 Objectives in the Mvoti to Umzimkulu Water Management Area: Desktop Estuary EcoClassification and EWR 5 Rivers EWR report Volumes Classification of Water Resources and Determination of the Comprehensive Reserve and Resource Quality Report Number: 5.1 Objectives in the Mvoti to Umzimkulu Water Management RDM/WMA11/00/CON/CLA/0114 Area: Volume 1: EWR estimates of the River Desktop Biophysical Nodes Classification of Water Resources and Determination of the Comprehensive Reserve and Resource Quality Report Number: 5.2 Objectives in the Mvoti to Umzimkulu Water Management RDM/WMA11/00/CON/CLA/0214 Area: Volume 2: EcoClassification and EWR assessment at the Rapid III level Classification of Water Resources and Determination of the Comprehensive Reserve and Resource Quality Report Number: Objectives in the Mvoti to Umzimkulu Water Management 5.3 RDM/WMA11/00/CON/CLA/0314 Area: Volume 3: EcoClassification and EWR assessment at the Comprehensive and Intermediate levels Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 5.4 RDM/WMA11/00/CON/CLA/0414 Objectives in the Mvoti to Umzimkulu Water Management Area: Volume 4: Specialist appendices Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 6 RDM/WMA11/00/CON/CLA/0212 Objectives in the Mvoti to Umzimkulu Water Management Area: BHNR Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 7 RDM/WMA11/00/CON/CLA/0514 Objectives in the Mvoti to Umzimkulu Water Management Area: Water Resource Analysis Report 8 Operational Scenario and Management Class report volumes Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 8.1 RDM/WMA11/00/CON/CLA/0614 Objectives in the Mvoti to Umzimkulu Water Management Area: Volume 1: River Ecological Consequences Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 8.2 RDM/WMA11/00/CON/CLA/0714 Objectives in the Mvoti to Umzimkulu Water Management Area: Volume 2: Estuary Ecological Consequences Classification of Water Resources and Determination of the Comprehensive Reserve and Resource Quality Report Number: 8.3 Objectives in the Mvoti to Umzimkulu Water Management RDM/WMA11/00/CON/CLA/0814 Area: Volume 3: Estuary ecological consequences - specialist appendices (available electronically only) Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 8.4 RDM/WMA11/00/CON/CLA/0914 Objectives in the Mvoti to Umzimkulu Water Management Area: Volume 4: Economic consequences Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 8.5 RDM/WMA11/00/CON/CLA/1014 Objectives in the Mvoti to Umzimkulu Water Management Area: Volume 5: EGSA consequences Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 8.6 RDM/WMA11/00/CON/CLA/1214 Objectives in the Mvoti to Umzimkulu Water Management Area: Volume 6: Water quality consequences Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 8.7 RDM/WMA11/00/CON/CLA/1314 Objectives in the Mvoti to Umzimkulu Water Management Area: Volume 7: Recommended Management Classes. Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 9 RDM/WMA11/00/CON/CLA/0115 Objectives in the Mvoti to Umzimkulu Water Management Area: Stakeholder Report 10 Resource Quality Objectives report volumes Classification of Water Resources and Determination of the Comprehensive Reserve and Resource Quality Report Number: 10.1 Objectives in the Mvoti to Umzimkulu Water Management RDM/WMA11/00/CON/CLA/0215 Area: Volume 1: Rivers and Wetlands EcoSpecs and TPCs Classification of Water Resources and Determination of the Comprehensive Reserve and Resource Quality Report Number: 10.2 Objectives in the Mvoti to Umzimkulu Water Management RDM/WMA11/00/CON/CLA/0315 Area: Volume 2: Resource Water Quality Objectives and Groundwater RQOs Classification of Water Resources and Determination of Report Number: the Comprehensive Reserve and Resource Quality 11 RDM/WMA11/00/CON/CLA/0415 Objectives in the Mvoti to Umzimkulu Water Management Area: Main report DEPARTMENT OF WATER AFFAIRS AND FORESTRY CHIEF DIRECTORATE: RESOURCE DIRECTED MEASURES CLASSIFICATION OF WATER RESOURCES AND DETERMINATION OF THE COMPREHENSIVE RESERVE AND RESOURCE QUALITY OBJECTIVES IN THE MVOTI TO UMZIMKULU WATER MANAGEMENT AREA STATUS QUO ASSESSMENT, IUA AND BIOPHYSICAL NODE DELINEATION AND IDENTIFICATION Approved for RFA by: ……………………………………. ……………………………………. Delana Louw Date Project Manager DEPARTMENT OF WATER AFFAIRS (DWA) Approved for DWA by: ……………………………………. ……………………………………. Date Chief Director: Water Ecosystems Classification, Reserve Determination and RQO: Mvoti to Umzimkulu Water Management Area AUTHORS The following members of the study team authored this report: Author Company Louw, Delana Rivers for Africa Cloete, Riekie Mosaka Economists Deacon, Andrew Private Haasbroek, Bennie Hydrosol Huggins, Greg Nomad Consulting Koekemoer, Shael Koekemoer Aquatic Services Kotze, Piet Clean Stream Biological Services Mackenzie, James Mackenzie Ecological and Development Services Mullins, William Mosaka Economists Rountree, Mark Fluvius Environmental Consultants Sami, Karim WSM Leshika Consulting (Pty) Ltd Scherman, Patsy Scherman Colloty and Associates Talanda, Collin WRP Van Niekerk, Lara CSIR Van Rooyen, Pieter WRP Report Editor: Delana Louw and Shael Koekemoer GIS Support: Sandra MacFadyen and Paul De Sousa ACKNOWLEDGEMENTS The assistance of Damian Walters, Vaughn Koopman and Jens Hiestermann from the Mondi Wetlands Programme in obtaining documents of previous wetland assessments in the Mvoti study area is gratefully acknowledged. REPORT SCHEDULE Version Date First draft April 2013 Second draft July 2013 WP – 10679 Status Quo, IUA, Biophysical Node Delineation and Identification Report: July 2013 Page: i Classification, Reserve Determination and RQO: Mvoti to Umzimkulu Water Management Area EXECUTIVE SUMMARY INTRODUCTION The Chief Directorate: Resource Directed Measures (CD: RDM) of the Department of Water Affairs (DWA) initiated a study during 2012 for the provision of professional services to undertake the Comprehensive Reserve, classify all significant water resources and determine the Resource Quality Objectives (RQOs) in the Mvoti to Umzimkulu WMA. Rivers for Africa was appointed as the Professional Service Provider (PSP) to undertake this study. The purpose of the Status Quo Report was to define the current status of the water resources in the study area in terms of the water resource systems, the ecological characteristics, the socio- economic conditions and the community well-being. WATER RESOURCES STATUS QUO ASSESSMENT Water resource zones based on similar water resource operation, location of significant water resource infrastructure (including proposed infrastructure) and distinctive functions of the catchments in context of the larger system were selected and are summarised below. Mvoti (Tertiary catchments U40 and U50): Land use consists mostly of communal land inland (Mapamulo), commercial timber in the upper reaches of the catchment, dryland and irrigated sugar cane along the coastal strip, and urban areas of Stanger and Greytown. The water resources of the Mvoti catchment are poorly developed and have not kept pace with the water requirements. As a result the requirements far exceed the available resources and the catchment
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