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Traditional hand-dug wells

36 bytes added, 22:42, 11 April 2012

→‎Avoid contamination

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- Manual access, that can be deepened or maintained easily at a later date

- Can be privately owned/operated- Circumstances which make the construction of large diameter wells necessary:

# Inability to obtain or maintain pumps or special buckets necessary for small diameter wells

# Water lifting device requires more space (than is available in a small diameter well), e.g. continuous chain and buckets

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