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Contents (continued)
2
10.17.5 Water restrictions . . • • . • . . . • . • . • . . . • • • . . • • • . • • . • • • .. 118
10.17.6 Water research levy .•••....•••.•.•••...•....•..•... 118
10.18 Some water control systems in Natal/KwaZulu ....•..•.•...•..••.. 119
10.18.1 Government water control areas ••.•.•..•...••.....•..•• 119
10.18.2 Government water schemes. • • . . . . • • . . . . . • • • . . . • . . . • .. 120
10.18.3 Government-assisted water schemes .......••.......•.•. 120
10.18.4 River diversions ....•...•....••..•..•..••...•....•• 122
10.18.5 Water boards .••........•..........•.....•........ 122
10.18.6 Irrigation districts and boards in Natal ..••.•.••.•...•..... 124
10.19 The provision of services in Natal/KwaZulu ....••••..••.....••.... 131
10.19.1 Local authorities and services in Natal . . • • • • . • . . . . . • . • . . .. 131
10.19.2 Local authorities and services in KwaZulu ••..•.•...•..•... 146
10.19.3 Joint Services Boards in Natal/KwaZulu •...•.•.....•.....• 151
10.20 Civil defence (now known as civil protection) in Natal/KwaZulu • . • . . . • • . 156
Tables
10.20.1 The severe weather watch service for South Africa ..••.•.... 161
10.20.2 The flood relief scheme for flood disaster areas .....••...... 162
Table J1: Mean annual precipitation and approximate annual runoff density data
for South Africa •..•..••••.... • • . • • . . . • • • . . . . . . . . . • . . • 7
Table J2: Water budgets for Natal/KwaZulu and South Africa •...•.•...•.. 8
Table J3: Distribution of the catchment areas of the 71 main rivers in
Natal/KwaZulu •.•.•.•••••••.. . . . • • • • • • • . . . . • . . • . • • . . •. 9
Table J4: Overall gradient distribution of the 71 main rivers in NatallKwaZulu •. 10
Table J5: Examples of rivers in Natal/KwaZulu with variable gradients (north to
south) •...•....•..••.....•.•...•....•.•..•..•...•.. 10
Table J6: Mean annual runoff and other data for secondary drainage regions in
NatallKwaZulu ••.•••••••••...••••••••• • . . . • • . . • . • . . .. 13
Table J7: Approximate location of Hydrological Research Unit (HRU) tertiary
catchments in NatallKwaZulu • • . . . • . • • . • • • • • . • . . . . . • • • . . .. 15
Table J8: Hydrological Research Unit (HRU) tertiary and quatemary catchments
in NatallKwaZulu ..•.••..•••.•••••••..•.••.......•..•. 18