Coverage and application


Let's see how things are in Nicaragua.
The first water supply interventions with rope pumps had the objective to make water more easily available at family wells as a means to prevent the use of rivers and streams. Thus a focus on water availability. With time the application of the rope pump was broadened including also handdug community wells and the drilled community wells.
To get to an estimate of the rural water supply coverage we have different sets of data. The National Statistics Institute.
The SINAS which is the National Statistics System Rural Water Supply. Where all bigger interventions are included and followed during time. The national rope pump production.



Here we can see the national rope pump production. With an estimated production of around 5000 pumps a year by the different workshops. The red part of the column are exact figures while the blue part is based on numbers presented by the workshops or are based on estimates. The total number of installed pumps is by now 22.000. From the pumps included in the SINAS system we know that they are functioning, as if not, they are not taken into account. As well a total estimate could be made for the ropepumps on drilled wells based again on the SINAS figures and a small amount delivered to other organizations. I made the supposition that 90 % is really functioning. For the rope pumps on handdug wells a similar method was followed supposing that 80% is still functioning. Our evaluations normally give higher figures but pumps of less quality are involved too. To get an estimate of the coverage we need to know how many persons really benefit by each pump. This is where we can base the numbers on SINAS, evaluation studies and some rough estimates.
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