10 things to know about groundwater: 9 & 10

Hidden Treasure: 10 reasons to know more about groundwater / 2 priorities to take seriously – briefing note

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9. In rural areas groundwater is often the cheapest source of safe drinking water

The capital cost of a borehole and handpump is about USD40 per person (say USD1.50 per person per year). The recurrent costs are about USD4.50 per person per year. The total is about USD6.00 per person per year. Piped schemes cost about twice as much.

[Source: WASHCost Working Paper 8, 2013, IRCwash.org]

10. In urban areas many people use shallow ground-water despite the fact that it is very vulnerable to pollution

The high cost of connection to piped water services makes it more attractive to use a private well despite the poor water quality

New Picture

[Source: Danert, K, Adekile, D and Gesti Canuto, J (2014) Manually Drilled Boreholes: Providing water in Nigeria’s Megacity of Lagos and Beyond, Skat Foundation http://www.rural-water-supply.net/en/resources/details/618]

High-Tech meets Low-Tech: Using remote sensing to help manual drilling

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Drilling for water can be expensive: it can cost up to £10,000 to drill a borehole that will have a £500 handpump installed on it.  However, there are alternatives – manual drilling methods are often most effective and just as good quality, but the challenge for the drillers is knowing where they can find good quality water.

Continue reading High-Tech meets Low-Tech: Using remote sensing to help manual drilling