INDEX
WATER SERVICES DEVELOPMENT PLAN: MODULE 2
INDEX
DESCRIPTION
PAGE
NO:
LIST OF TABLES………………………………………………………………………………..
ii
LIST OF FIGURES………………………………………………………………………………
vi
1.
ADMINISTRATION………………………………………………………………………………
2.1
2.
DEMOGRAPHICS…………………………………………………………………………….…
2.15
3.
SERVICE LEVELS………………………………………………………………………………
2.40
4.
SOCIO-ECONOMICS…………………………………………………………………………...
2.54
5.
WATER SERVICE INFRASTRUCTURE…………………………………………….
2.60
6.
OPERATION AND MAINTENANCE…………………………………………………………...
2.95
7.
ASSOCIATED SERVICES……………………………………………………………………...
2.108
8.
CONSERVATION AND DEMAND MANAGEMENT…………………………………………
2.136
9.
WATER RESOURCES………………………………………………………………………….
2.151
10.
FINANCIAL PROFILE…………………………………………………………………………...
2.172
11.
WATER SERVICES INSTITUTIONAL ARRANGEMENTS…………………………………
2.194
12.
SOCIAL AND CUSTOMER SERVICES REQUIREMENTS………………………………...
2.206
13.
NEEDS AND DEVELOPMENT PLAN (LIST OF PROJECTS)………………………..……
2.220
i
LIST OF TABLES
DESCRIPTION:
PAGE
NO:
TOPIC 2: DEMOGRAPHICS
Table 1: Number of households within each dwelling type (Stats SA, Census 2011; SDI &
GIS)………………………………………………………………………………………………………
2.29
Table 2: Dwelling type growth from 1996 to 2011 (Stats SA, Census 2011)……………………
2.29
Table 3: Monthly household Income Level (Stats SA, Census 2011)…………………………….
2.31
Table 4: Employment Statistics (Stats SA, Census 2011)…………………………………………
2.32
Table 5: Historic population figures from 1996, 2001 and 2011 census………………………….
2.35
Table 6: Households in Cape Town for 1996, 2001 and 2011…………………………………….
2.35
Table 7: Average household size in the City of Cape Town (SDI and GIS, 2011)………………
2.36
TOPIC 3: SERVICE LEVELS
Table 1: Residential consumer units (Formal & Informal)………………………………………….
2.44
Table 2: Service Level Categories for Informal Settlements……………………………………….
2.45
Table 3: Profile of sanitation services to consumers (formal and informal)……………………...
2.47
ii
TOPIC 4: SOCIO-ECONOMIC
Table 1: Western Cape Macroeconomic Outlook…………………………………………………...
2.57
Table 2: Employment Profile of Cape Town…………………………………………………………
2.58
Table 3: Unemployment levels vs. Employment ……………………………………………………
2.59
TOPIC 5: WATER SERVICE INFRASTRUCTURE
Table 1: Summary of Existing Water Supply and Wastewater Infrastructure……………………
2.61
Table 2: Number of boreholes and abstraction potential for Witzands and Silwerstroom………
2.65
Table 3: Water Treatment Plants owned by the City of Cape Town………………………………
2.68
Table 4: List of Waste Water Treatment Works owned by the City of Cape Town……………...
2.69
Table 5: Reticulation Water Service Tanks…………………………………………………………..
2.72
Table 6: Bulk Water Service Reservoirs……………………………………………………………..
2.73
Table 7: Reticulation Infrastructure by supply zones……………………………………………….
2.75
Table 8: Approximate Age of Water Pipes…………………………………………………………...
2.81
Table 9: Materials of Pipes…………………………………………………………………………….
2.82
Table 10: Pipe Sizes……………………………………………………………………………………
2.83
Table 11: Sewer Pipe Material………………………………………………………………………...
2.87
Table 12: Sewer Pipe Size and Length………………………………………………………………
2.88
iii
TOPIC 6: OPERATION AND MAINTENANCE PLAN
Table 1: Water Pipework to be Replaced in 2012/13……………………………………………….
2.96
Table 2: Reticulation Statistics (USPC 2012/06 (v08)………………………………………………
2.96
Table 3: Estimated Sewer Rehabilitation Lengths…………………………………………………..
2.97
Table 4: Class 1: Drinking Water Quality for June 2012……………………………………………
2.98
Table 5: Waste Water Treatment Non-Compliance as at June 2012……………………………..
2.100
Table 6: Status of Equipment and Plant on Wastewater Treatment Works……………………...
2.101
Table 7: Status of Equipment and Plant at Bulk Water Installations………………………………
2.106
Table 8: Status of Equipment and Plant on Pump Stations……………………………………….
2.107
TOPIC 7: ASSOCIATED SERVICES
Table 1: Education Plan for Water Services…………………………………………………………
2.108
Table 2: Water Service levels at schools and tertiary education facilities………………………..
2.108
Table 3: Health Plan for Water Services……………………………………………………………..
2.134
Table 4: Education Plan for Sanitation……………………………………………………………….
2.134
Table 5: Sanitation Service levels at schools and Tertiary Education Facilities…………………
2.134
Table 6: Health Plan for Sanitation……………………………………………………………………
2.135
iv
TOPIC 8: CONSERVATION AND DEMAND MANAGEMENT
Table 1: Annual Water Demand Growth……………………………………………………………..
2.138
Table 2: Summary of Strategic Goals………………………………………………………………...
2.140
Table 3: Goal A and D breakdown into sub goal targets…………………………………………..
2.145
Table 4: Non-Revenue Water balance according IWA balance…………………………………..
2.148
Table 5: Non-Revenue Water Trends……………………………………………………………….
2.149
TOPIC 9: WATER RESOURCES
Table 1: Main raw water storage dams and capacities……………………………………………..
2.152
Table 2: Capacities of Minor Dams Supplying Water to Cape Town……………………………..
2.152
Table 3: Surface water sources (DWA and CCT owned)…………………………………………..
2.155
Table 4: Volume of Treated Effluent Consumption for June 2012………………………………...
2.157
Table 5: Interventions to be implemented or studied further……………………………………….
2.167
TOPIC 10: FINANCIAL PROFILE
Table 1: Historic Capital Budget of Water and Sanitation Services……………………………….
2.172
Table 2: The capital expenditure in Table 1 was financed from the following sources………….
2.173
Table 3: Projected Capital Budget of Water and Sanitation Services…………………………….
2.174
Table 4: Sources for Projected Capital Budget of Water and Sanitation Services………………
2.175
Table 5: The Historic Operating Costs of Water and Sanitation Services………………………..
2.177
Table 6: The Historic Income of Water and Sanitation Services…………………………………..
2.178
v
Table 7: Projected Operating Costs of Water and Sanitation Services………………………….
2.178
Table 8: The Projected Income of Water and Sanitation Services ……………………………….
2.179
Table 9: Historic Water and Sanitation Tariffs – Residential……………………………………….
2.181
Table 10: Proposed Tariffs for Water Services Consumption (10%)……………………………...
2.183
Table 11: Proposed Tariffs for Sanitation Services…………………………………………………
2.183
Table 12: Proposed Tariff Commercial and Industrial Water………………………………………
2.188
Table 13: Proposed Tariff Commercial and Industrial Sanitation………………………………….
2.188
Table 14: The Projected Income and Expenditure of Water and Sanitation Services…………..
2.190
TOPIC 11: INSTITUTIONAL ARRANGEMENTS
Table 1: Water Service institutional arrangements………………………………………………….
2.189
TOPIC 12: SOCIAL AND CUSTOMER SERVICE REQUIREMENTS
Table 1: Resources available to perform the function………………………………………………
2.206
Table 2: Water Distribution Networks………………………………………………………………...
2.207
Table 3: Water Meter Connections……………………………………………………………………
2.208
Table 4: Meter Management Monthly Statistics (Ceased Meter Project)…………………………
2.209
Table 5: Chamber Covers Replacement……………………………………………………………..
2.210
Table 6: Sewer Blockage Incidents…………………………………………………………………...
2.210
Table 7: Sewerage Blockages per areas of Metro (for month of June 2012)…………………….
2.211
Table 8: Sewer Networks Repairs and Maintenance……………………………………………….
2.211
Table 9: Quality of Services Provided………………………………………………………………..
2.215
Table 10: Ratings from previous surveys…………………………………………………………….
2.215
Table 11: Potable Water Complaints ………………………………………………………………...
2.216
Table 12: Sanitation Complaints………………………………………………………………………
2.217
Table 13: Cumulative Notification Statistics July 2011 – June 2012……………………………...
2.218
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TOPIC 13: LIST OF PROJECTS
Table 1: Project Expenditure within 2012/13 (as at February 2013, Finance)…………………...
2.214
Table 2: Revised Capital Budget of the CoCT 2012/13 till 2015/16 (as at February 2013,
Finance)……………………………………………………………………………………………….....
2.220
LIST OF FIGURES
DESCRIPTION:
PAGE
NO:
TOPIC 2: DEMOGRAPHICS
Figure 1: Locality Map of COCT……………………………………………………………………….
2.16
Figure 2: Structure of Water and Sanitation department……………………………………………
2.18
Figure 3: Reticulation Districts…………………………………………………………………………
2.18
Figure 4: Topography…………………………………………………………………………………...
2.20
Figure 5: Biodiversity Network: Source: Cape Town Spatial Development Framework:
Technical Report 2010………………………………………………………………………………….
2.23
Figure 6: Location of Urban Growth…………………………………………………………………...
2.24
Figure 7: Existing Land Use and Potential Future Development Areas…………………………...
2.25
Figure 8: Aligning of Future Growth and Infrastructure Investment………………………………..
2.26
Figure 9: Socio-economic status of the City of Cape Town………………………………………...
2.28
Figure 10: Households earning below Household Subsistence Level (household income
below R3500)…………………………………………………………………………………………….
2.31
Figure 11: Projected Population Growth for the City of Cape Town……………………………….
2.36
Figure 12: Age Profile by year (Strategic Development Information and GIS Department,
based on 2011 Census)………………………………………………………………………………...
2.37
vii
Figure 13: Age Profile by Gender (Strategic Development Information and GIS Department,
based on 2011 Census)………………………………………………………………………………...
2.38
TOPIC 3: SERVICE LEVELS
Figure 1: Location of Informal Areas…………………………………………………………………..
2.48
Figure 2: Breakdown of residential consumer units as at June 2012……………………………...
2.51
TOPIC 4: SOCIO-ECONOMIC
Figure 1: City’s Sectoral contribution to GDPR (1995 & 2004) (Fact-Sheet, Cape Town’s
Economy, August 2011)………………………………………………………………………………...
2.54
TOPIC 5: WATER SERVICE INFRASTRUCTURE
Figure 1: Main Components of Bulk Water Supply Infrastructure………………………………….
2.62
Figure 2: Main components of Wastewater Treatment Infrastructure showing Catchments……
2.63
Figure 3: Schematic of Atlantis Water Supply Scheme……………………………………………..
2.66
Figure 4: Waste Water Treatment Plant Average Compliance for 2011/12 financial year………
2.90
Figure 5: Waste Water Treatment Plants Average Compliance for COD (2011/12)……………..
2.91
Figure 6: Waste Water Treatment Plants Average Compliance for TSS (2011/12)……………...
2.92
Figure 7: Waste Water Treatment Plants Average Compliance for Ammonia (2011/12)………..
2.93
TOPIC 8: CONSERVATION AND DEMAND MANAGEMENT
Figure 1: Water Demand Projections (source: Recon Strategy)…………………………………...
2.137
Figure 2: Annual Water Demand Growth……………………………………………………………..
2.139
Figure 3: Sectoral Water Usage (11/12)………………………………………………………………
2.139
Figure 4: Total projected WDM initiative curves (Aurecon)…………………………………………
2.140
viii
TOPIC 9: WATER RESOURCES
Figure 1: Western Cape Water Supply System (WCWSS)…………………………………………
2.137
Figure 2: Annual Water Demand Growth……………………………………………………………..
2.139
Figure 3: Total projected WDM initiative curves (Aurecon)…………………………………………
2.157
Figure 4: Distribution of Water Demand………………………………………………………………
2.158
Figure 5: Historic and Projected Total Water Demand from the WCWSS………………………...
2.161
ix