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Harare
ground water: What's happening? It's under stress! We need to understand
this!
Tim
Broderick
October 29, 2013
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Presentation at
the Wetlands Survival Forum public dialogue on the Harare Water
Crisis
Ground water
in Harare is under threat?
- There are way in excess
of 10 000 functional boreholes in Harare, mostly across the northern
suburbs.
- Direct recharge is
2 to 4% of annual rainfall.
- Collective abstraction
makes an impact manifested in seasonal drawdown, reduced water
deliveries and borehole failure. The inconvenience is compounded
during drought cycles or years with poor rainfall distribution.
- There is an urgent
need for community awareness of the situation, and need for a
drive towards self and community discipline in abstraction management
of what is a fragile, albeit renewable resource.
- There is
a new Statutory
Instrument (90/2013) controlling the abstraction of bulk water,
the permit conditions for which are stringent, particularly within
urban limits.
- A new set of standards
demand quality of service in all aspects of borehole drilling
and construction.
- Regulations are imminent
for the registration of all consultants, drillers and associated
service providers. The need for discipline in all aspects of ground
water management is underlined if we are to sustain this vital
resource.
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