Let’s tap underground water with caution

A picture of a borehole. The regulator should issue borehole sinking permits depending on user needs and monitor the amount of water that can be abstracted from particular sources in a given season. PHOTO | FILE | NATION MEDIA GROUP

What you need to know:

  • We are exploiting the groundwater resource and yet we do not really know how much we have
  • We also don’t fully understand how these underground reservoirs replenish during the rainy season and behave during different climatic conditions.
  • In the late 1950s, groundwater in Nairobi was accessed at just 80 metres, but by the mid ’90s, the depth had almost doubled to 140 metres.

The governor of Nairobi County has embarked on making city residents’ lives more bearable and one of his action plans is to drill boreholes to supplement water supply from the now-unpredictable Ndakaini Dam.

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